<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xml:lang="en-US"
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2021q4"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:smlp="http://www.summitmidstream.com/20201231/20211231"
  xmlns:srt="http://fasb.org/srt/2021-01-31"
  xmlns:us-gaap="http://fasb.org/us-gaap/2021-01-31"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <link:schemaRef xlink:href="smlp-20211231.xsd" xlink:type="simple"/>
    <context id="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i962576e4ceda427b850a2cbed235cc1f_I20210630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <instant>2021-06-30</instant>
        </period>
    </context>
    <context id="ieb3c2ba6e563451b8a400fe5df9dec00_I20220215">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <instant>2022-02-15</instant>
        </period>
    </context>
    <context id="i507b6400314b4cccbab3349f2f53f717_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i256c3e3fda6749eba33edf99580673a4_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i9abde4a6424c4393a52bbebe5c67eb77_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SubsidiarySeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ibcbaf6b70b7a40fc96e212131f974054_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SubsidiarySeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i2dde56002ef94d58aa6f41f243139923_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i541ecaf06e2a47c0a5ae661406b01b83_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="idbbe91c573aa4e718da954aa4224efe9_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:NaturalGasGatheringTransportationMarketingAndProcessingMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i813d5d9152714ae6994e839ffd5ce1d7_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:NaturalGasGatheringTransportationMarketingAndProcessingMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ib18d23e148e44824b9310080fae594dd_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:OilAndCondensateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ie5f9d6f3d329444f828c66622ec38ab3_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:OilAndCondensateMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i79068cc301c944a1ba808bff998b77b8_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:ProductAndServiceOtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9b2fa41e56bf4e2d9bd3a51c8a196091_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">us-gaap:ProductAndServiceOtherMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i4826d81a6ce9448eb31cb291a938febc_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:SubsidiariesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ifb8ba3904c7a4b0bbdc06463e3d33b61_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">srt:SubsidiariesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ieed7b86a38944afe8207a520a1844a6c_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="id0cc5be7d9fb4dda9ae100a70f5bead2_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i7ebf86e84154447ca12d223a3e196475_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i627918eb063948b88a35d0101d776100_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:CommonNoncontrollingInterestsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i514ffdcf80c9455babf6208aa532382d_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i4b692fdf28d24cb2a2d01911d815f7c2_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i3669a3478d8a4a3a925cc3ad7b5cd91d_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i32fdbbad4e444e14b0b6f14fc4b0acaf_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:CommonNoncontrollingInterestsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i94cbb1aa07a6465ead257d20439a87c9_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ifd88db2b41ef4caeb8aa1183ec900ebd_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="id0375574eb2148a2851046558b0ff7e5_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:CommonNoncontrollingInterestsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i438571b277b74498a2213e24afdb50c2_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i15920f6255344796a7b8ae21860defaf_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="iab99e7161986486ba45182a99af164e2_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i0131ee5f1cd84a8788ea091b532305ae_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i94bafe68be3c40b7b8e7a7302cd0651d_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerCapitalComponentsAxis">us-gaap:NoncontrollingInterestMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:CommonNoncontrollingInterestsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ideccfb8460ca41029ff636c28bbbdf89_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="idbd7b806cc99444d9692c14ed2e2967e_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:PartnersCapitalMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i1fe9e6f4242d43c7a32be4d079da4995_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:DoubleECompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ife839f0c01864bb08e9cf888d45b7acb_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:DoubleECompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="idced2755e39e4f05b924c22dfb424b73_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareRepurchaseProgramAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i7bfa2c30fde44d1ba1db300cd0cf66b6_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareRepurchaseProgramAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i790017b0fc4a4c69bb82bb304e6ac01c_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareRepurchaseProgramAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i94bbcb4a8d88495abf1c1b06d01ee2dd_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ShareRepurchaseProgramAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i74cf80d6873b4ebfa9ce874b26fc9cdd_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SummitMidstreamPartnersHoldingsLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="icd2e2e4dffe14a7f8c2ec96ce964b933_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">smlp:EnergyCapitalPartnersMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i744491e4885b4622ac334277676f4fd2_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SummitInvestmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i718ce2ec7ff44511a0dc077bd8be2fb4_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SummitInvestmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2fd6d4a700a24ed9bfe3498eb42566fd_I20201109">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConversionOfStockByUniqueDescriptionAxis">smlp:ReverseUnitSplitMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">smlp:SummitMidstreamGPLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-11-09</instant>
        </period>
    </context>
    <context id="i1f70c47b5ee04f5aa798a0330e8f6634_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ConversionOfStockByUniqueDescriptionAxis">smlp:ReverseUnitSplitMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">smlp:SummitMidstreamGPLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ib9186008118d47ea9ed4e178f254cce5_D20201109-20201109">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SummitMidstreamPartnersHoldingsLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-11-09</startDate>
            <endDate>2020-11-09</endDate>
        </period>
    </context>
    <context id="ib1eac82899a74c6a97c1ac80cc942903_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:GasGatheringAndProcessingEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i1a5777376d554af5a33af8a68e777a50_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:GasGatheringAndProcessingEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib0b565c7d9d9430d84dcaa515559393c_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="if3b62531aa554fbc9245e6507f5943cd_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i318f075b3541472b9eb88fc5058a1c76_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="idb9ab01cb9f64d78a80b5c65c920889e_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ic5eec936def34e27b6cc043f93779dac_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:OtherGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2ede2d129f8346068d8dc9e056d614e9_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:OtherGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i98ab2fe17e3f49d7af95860fb5f57c5a_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="iba388300e7974da7845218429e2c7103_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i40beb6f78fb441788c6e03ccb95d20ea_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2022-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="iac03af23dc9e4b41b55117ada3ec9989_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2023-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i8c121d578b934391b71fe7932f82f43a_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2024-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i150449a01abd414c8b422e7a134bf71a_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2025-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i00596ba36ee74a48bfba358d092009cb_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2026-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i20fe567fd62e4c53a98875265018b8fb_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:typedMember dimension="us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis">
                    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>2027-01-01</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis.domain>
                </xbrldi:typedMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ibcc9b21ec60f41f0aad4f7f0ab1425f1_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="id1aaf753ebd44c4294292064c7278090_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9793d7164bdf4d4fb8a502f567afcfae_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i3291bcf9c9da44a9923ae6e0ddeb6341_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib4b99695a0784654a666b6af676dc985_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="iad9497ed7ffb4c5db403e154744cc137_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="idd9d42fe9d0840f697eb7c0f61359e6d_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i7640ae941c344d58bf90c62d9f12f08b_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ieea6e248b6c043db904df4e517092768_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i8474d1f17804428194aa585163467939_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i35a4aa7748174311a94bf81f5c93c78a_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib41002cd187b46c58060529fc7880817_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="id79d0452d3234b799dc59f1224b45f47_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i4273f21806fe436fb305f8e2fd2480f4_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib18ca840105a465195cf42fd9eb06f2e_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2be5e60705ad4c449c55eec2e0603ac6_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i44bfd6ab9eb74bb78e56cf3b09b430c8_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2af06b72b8634ac586ac1868e727ad2d_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="if9a574d6157348e8b85429a30ac9d3e2_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ia387b7e7300749c7a76803ba64bff5e4_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i25b6ecaa44de445d95a62b62c69e95be_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="iba0bc548e2d64ecb9fc960b3889e0a87_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ic1e373e026b5480e9910b8b1a5b54b87_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i53b7ab2bb14a4b38920071fa571964e2_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ia9b53bad3f0e4bbe9eb826c2d1bf980f_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i795e177c2d4e409dadaa2ca9b334687d_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ie42fa9d0892c4d0286d0c83c1fce6a44_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ie471e62af1f742fdbdf4825afc127399_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i10108bca1aa2494e9da16f21d6a6d341_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2abe627c44dc4d4c9bbcf03a3e07ae18_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2227e63084af46daade4b345927de6c1_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="icabee3d623d040ecac969deed8e4efb8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i7c450133573b49adb46be8d9a69e7e46_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i7cf17374fd7c41dc90f6ffc1d8251dfc_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i5c925bab58954521b10075e271da16cd_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="idfa7d0b838cd4abeb54c6078ab7dfdf2_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ie9ad325eaf5c43a8a1c09bf0109ad016_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i2d3f6c157396414e8b2b1f787378ee90_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i7ef441566abb483594f536f64a893106_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i20bc7d73a20642bfb49854170b2493c8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i4c49150d1008475994ddda928bc86a6f_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i1511ef9ac89c466fae01a046c0e9413d_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i21a2d44a5f4342388883b111f3a788bb_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iadd40154ff8948c28040e9539889abf7_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="if602facb3b45413d8acbce1e308594b6_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ib9eca0eaacd148bbbfb956870365464a_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i663793eebcae420cb11946071cdfc7a2_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i17ffa7fad2ef4ef38b170c0c8f48d8eb_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i53cd8df1dfa74e06976868e3530264b6_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iaa4969fdd71e417fb878ea778277f39a_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia81f8a3222a14086a5e0f30510972142_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i8668dcd481b44f4fac7798287ff8f848_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iaeb49ebf78a845f982a559f8469edda7_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i280f3f0a646e468393eccf396b135397_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia2a6d9350d3142869cf4f0a19fa8eac0_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ibd83317047cf4fce9f98fe45a86381c1_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i5af2a595096645c290e1bacc15c6677a_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i2a51b4bca5754cb88c7b904833eb2dd9_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i289faca188be4ae2a9ef54551117164a_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">us-gaap:AllOtherSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i6e3f4c822615410baf96b60843b216a8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:GatheringServicesandRelatedFeesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ib9515f646ddd4fec89f1a97e1181d959_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:NaturalGasNGLAndCondensateSalesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i5a571915db3f4bbda60eb099604bcd12_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ProductOrServiceAxis">smlp:OtherProductsAndServicesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i8fa8fd08c8aa44288280bf5bedd1770a_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:GasGatheringAndProcessingEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i355e0f536a0544c2a28d90d7ae122173_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:GasGatheringAndProcessingEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="icc5111922c4944feb5945818c085e80b_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:ConstructionInProgressMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ia485a7fc81d740ca9379e147b97a4748_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:ConstructionInProgressMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ib1df12ccec7b46cba2d86b3c73dad0f7_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">smlp:LandandLineFillMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i8305ec8740344922a447274a790579dc_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">smlp:LandandLineFillMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ifa4149c61e094aea823ade2bcbe0984f_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i57a60ea6456149af8adafdbc7b0f019b_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:OtherCapitalizedPropertyPlantAndEquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i5721ad2ed1c74c449b66c1e52f81495d_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ie9d51890b22e46839c7609132c127e82_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:ContractIntangiblesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ifa59cc08a1b34d3d92b74f41bcd3d84b_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="iaacf4737c15549e1b373e60285b85d24_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i9d5d1e14f68b4387baee86565a9c63d5_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:ContractIntangiblesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i57031f3eeb22441bbd52fb41c12edbbb_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i695c62686b174fdc8d0fd628b44c104f_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:OtherRevenueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9fbdf8f2dfc8459aad9ae0a21b4b8b98_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:FavorableGasGatheringContractMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:OtherRevenueMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i0fc52e65b17c48249eb11f2eb6ab62ac_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:ContractIntangiblesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:CostsAndExpensesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib4f23f4eef46431baf2c13044966dd26_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:ContractIntangiblesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:CostsAndExpensesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i5576f058411c4cce8dde63b956a2e16c_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:CostsAndExpensesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i058af22332784e77b5e4a94addb924a0_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:FiniteLivedIntangibleAssetsByMajorClassAxis">smlp:RightsOfWayMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">smlp:CostsAndExpensesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i936afa577eeb42c0953b941bff54417f_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:DoubleECompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i151b1df6443f40088ec6334237e45c09_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:DoubleECompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i8ba0846445eb4297a390783e201f243a_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i76a860585dcc44d88f714d6cd9bec592_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i86ffb27a584741b7a38234fa78facbff_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:RelatedPartyTransactionsByRelatedPartyAxis">us-gaap:PrincipalOwnerMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="iec423fe923374146bb3ea038a9514589_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ib091c7823aea416a8b70f1f5f931d28a_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="iafc631373e934a5bb7ebe5f9e651e7c3_D20210101-20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-11-30</endDate>
        </period>
    </context>
    <context id="i0295e5958f174632a805771c0df60c6d_D20200101-20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-11-30</endDate>
        </period>
    </context>
    <context id="i31b8f15a757f48ffbc39f4e63239e870_I20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-30</instant>
        </period>
    </context>
    <context id="ia5ac0b593d7c496f9c3fd8a25c4c301a_I20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidatedEntitiesAxis">smlp:SummitMidstreamPartnersLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-11-30</instant>
        </period>
    </context>
    <context id="ie99059f22ab74fd08df3e75c11764349_I20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-30</instant>
        </period>
    </context>
    <context id="i549143b3ebe14f7db705e52334d3c993_I20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioCondensateCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-30</instant>
        </period>
    </context>
    <context id="ie7795888772448e887d31b56064addb7_I20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-11-30</instant>
        </period>
    </context>
    <context id="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioCondensateCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-11-30</instant>
        </period>
    </context>
    <context id="i1b3242193d9a42029191a82bc407c819_D20201201-20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-01</startDate>
            <endDate>2021-11-30</endDate>
        </period>
    </context>
    <context id="i1f09aca3c5904b43a5fc4f92bf451209_D20201201-20211130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioCondensateCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-01</startDate>
            <endDate>2021-11-30</endDate>
        </period>
    </context>
    <context id="i1c426f10d43a4fd1b4928772f0222440_D20191201-20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioGatheringCompanyLLCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-01</startDate>
            <endDate>2020-11-30</endDate>
        </period>
    </context>
    <context id="i4388a5be5f5943109bc59866600bbd78_D20191201-20201130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis">smlp:OhioCondensateCompanyMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeAxis">us-gaap:EquityMethodInvestmentNonconsolidatedInvesteeOrGroupOfInvesteesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2019-12-01</startDate>
            <endDate>2020-11-30</endDate>
        </period>
    </context>
    <context id="ie016cc20b37440beb2e06af6a35f8c8d_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueMayTwentyTwentyTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ib1a072424ff6411191469ba311d5463d_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueMayTwentyTwentyTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i338caec7e9ae4b66b0ab0d00d605f715_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:AssetBackedLendingFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i907232171c684a7d902ca65e3a4c0b63_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:AssetBackedLendingFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i285c294f19dd4e55bddc7d3abf7d105f_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:PermianTransmissionCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i0ec637e3f624469da83ce62f0deb925a_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:PermianTransmissionCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i3b20f66704334bb38af7251b97cd91e3_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAugustTwentyTwentyTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ib444dba6891a4fcea67256104fa293e1_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAugustTwentyTwentyTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ibe52c079b0b9427597ddadd102a16f44_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAprilTwentyTwentyFiveMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i6615f5fcdfb54235bb4a69f4ffd7e2fd_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAprilTwentyTwentyFiveMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ie52eeefe85e84f02ba96741b59296de1_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorSecuredNotesDue2026Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i5869c11a700e4158972d2b35ee91ae2a_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorSecuredNotesDue2026Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-02</instant>
        </period>
    </context>
    <context id="ic4f6b9057f6443c384d06f9de140a445_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="if939cacbb7cf428ca6c0ce9cedc2e5d7_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i837dba45a5af494fba337fbc3686cc04_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9da8524d20094333a09b6a2010debd37_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:StandbyLettersOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i92bb6bb8b3f84914958096c4608bc3b7_D20211102-20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ABLFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-11-02</startDate>
            <endDate>2021-11-02</endDate>
        </period>
    </context>
    <context id="i4f925f59315e43298cc6af6bf811cf59_I20210308">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-08</instant>
        </period>
    </context>
    <context id="ifad7d4a953de47f7888b279039007aba_I20210308">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:TermLoanCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-08</instant>
        </period>
    </context>
    <context id="iafc871462063459a94be88ab358e8690_I20210308">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:WorkingCapitalCreditFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-08</instant>
        </period>
    </context>
    <context id="i5f104ac1d3cc4e4b869a5e4db6780fa3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i56e282646528482183d82eb6c7faa755_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i55f96efd9e794982963caf621c82e165_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:CreditAgreementMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:StandbyLettersOfCreditMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i3233573b82204d30b1e60ae410fb37a9_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:A2026NotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i4cadb39aaee946e08739757b92e1f353_I20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:TwoThousandTwentyFiveSeniorNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-02</instant>
        </period>
    </context>
    <context id="i46a769c3313c4895865fec20558a6882_D20211102-20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SecuredNotesIndenture2026Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-11-02</startDate>
            <endDate>2021-11-02</endDate>
        </period>
    </context>
    <context id="idfb33b34ba7b4853896db861161790e9_I20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SecuredNotesIndenture2026Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-11-02</instant>
        </period>
    </context>
    <context id="i042c3fa310c24de1b9f3efde18c4cce2_D20211102-20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SecuredNotesIndenture2026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentRedemptionPeriodAxis">us-gaap:DebtInstrumentRedemptionPeriodOneMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-11-02</startDate>
            <endDate>2021-11-02</endDate>
        </period>
    </context>
    <context id="if7b327a1da9b43ea87c71f51c90bf25e_D20211102-20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SecuredNotesIndenture2026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentRedemptionPeriodAxis">us-gaap:DebtInstrumentRedemptionPeriodTwoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-11-02</startDate>
            <endDate>2021-11-02</endDate>
        </period>
    </context>
    <context id="i5321e48f4dfa43b0858294611fa58580_D20211102-20211102">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SecuredNotesIndenture2026Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentRedemptionPeriodAxis">us-gaap:DebtInstrumentRedemptionPeriodThreeMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-11-02</startDate>
            <endDate>2021-11-02</endDate>
        </period>
    </context>
    <context id="ieed3ce50b12845d990d81bb99548c7dc_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i64333c4e3b72467b9169701f8f59cdc3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:TwoThousandTwentyFiveSeniorNotesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentRedemptionPeriodAxis">us-gaap:DebtInstrumentRedemptionPeriodTwoMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">smlp:SummitHoldingsAndFinanceCorporationMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i63bb7b8c27c74368acc2af297105d673_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:TwoThousandTwentyFiveSeniorNotesMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentRedemptionPeriodAxis">us-gaap:DebtInstrumentRedemptionPeriodThreeMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="dei:LegalEntityAxis">smlp:SummitHoldingsAndFinanceCorporationMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ifa120e535d564b7dac25b25981403114_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:TwoThousandTwentyFiveSeniorNotesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="iab6009f7300541de9c99bac38d955604_D20201117-20201117">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:SMPHTermLoanRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-11-17</startDate>
            <endDate>2020-11-17</endDate>
        </period>
    </context>
    <context id="i1c4346072b5b4912963abd8fd43d504f_D20201117-20201117">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:SMPHTermLoanRestructuringMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-11-17</startDate>
            <endDate>2020-11-17</endDate>
        </period>
    </context>
    <context id="id890d4b185414e46ba9689c2ef1837e0_D20201117-20201117">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:SMPHTermLoanRestructuringMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">smlp:ABRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-11-17</startDate>
            <endDate>2020-11-17</endDate>
        </period>
    </context>
    <context id="i2ec492a5f13645b08bd95f98a85d3426_I20201117">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:SMPHTermLoanRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-11-17</instant>
        </period>
    </context>
    <context id="i33a37a44b44c4894a361d39a707da1d3_I20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ECPNewCoLoanMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-05-28</instant>
        </period>
    </context>
    <context id="i8db27523de9b4d6ca0e1eb4840145136_I20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:ECPHoldingsLoanMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-05-28</instant>
        </period>
    </context>
    <context id="i0ce1eb0843fa4702971608ac40333b00_I20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-05-28</instant>
        </period>
    </context>
    <context id="i61280caaf5d84eedabfc610d9863fbf7_D20200807-20200807">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:SecuredDebtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-08-07</startDate>
            <endDate>2020-08-07</endDate>
        </period>
    </context>
    <context id="i0960c79a838b4321b15a7652cd04b5db_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i15d47863257746a787ccea0f49ca0404_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAprilTwentyTwentyFiveMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i2fd4a94a9a5c4d309b5f21a6f6c99205_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i7a95b3bfc48348919af759999ea53df8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i4849ac80e2f84b9f9dcca77a6bba5ee3_I20200930">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-09-30</instant>
        </period>
    </context>
    <context id="i784893f5933f4fbe9558c537d9011e36_I20200930">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueAprilTwentyTwentyFiveMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-09-30</instant>
        </period>
    </context>
    <context id="i0e7e5a24bd4242a9afd706d67a592da1_I20200930">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-09-30</instant>
        </period>
    </context>
    <context id="i699a412ecb4d4a92a50b305fd8263495_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i66da78eaf95b4db79894672552e03096_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">smlp:LiabilityManagementTransactionsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesAndTenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i0c57e800c60e4992a7360e1630a04717_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:ECPLoanRepaymentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia84ccd9fbe9844339480191bd51636ff_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentyThreeMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i959e9ff0e9e94c56a3f9958bd95fd339_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:OpenMarketRepurchasesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i170f10ff5d874212ae00c874e61fabb4_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentyThreeMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="id894da9212334a90999aff7aaab75ae1_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TenderOfferRepurchaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i5187a7af2eeb42e282d810bf17c77ed8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ExtinguishmentOfDebtAxis">smlp:TLRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i226edbb214aa44ed82ce89f25d70ad01_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:EnvironmentalRemediationSiteAxis">smlp:MeadowlarkMidstreamGatheringSystemMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i2802c14edd4f41e1b4016f5bbe994613_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:EnvironmentalRemediationSiteAxis">smlp:MeadowlarkMidstreamGatheringSystemMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i97417f2ca44f4b50bc0f45c3f1264c1e_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:EnvironmentalRemediationSiteAxis">smlp:MeadowlarkMidstreamGatheringSystemMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ifb7c7fe0e60d4fc0b6f8714a03ac1e54_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:EnvironmentalRemediationSiteAxis">smlp:MeadowlarkMidstreamGatheringSystemMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i32afe7559b884aa3852e53c9bc31025c_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:EnvironmentalRemediationSiteAxis">smlp:MeadowlarkMidstreamGatheringSystemMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ie113735e6cf9454ab89cc1220cf48040_D20201001-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-10-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="idc0845600f9e4e6d8a7012cdc4a1440b_D20210401-20210630">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-04-01</startDate>
            <endDate>2021-06-30</endDate>
        </period>
    </context>
    <context id="i30d6ef7e4b904e5eb76a1fab998ddf63_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i0f4bc7b7f3f646dab93bd54c21648e10_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LossContingenciesByNatureOfContingencyAxis">smlp:NaturalResourceDamagesToFederalAndStateGovernmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i7ee194a477e247318eff0bc2bdc1e7c3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LossContingenciesByNatureOfContingencyAxis">smlp:DamagesPayableToFederalGovernmentOverFiveYearsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i08b31267b34545e49c53a01342a798a5_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LossContingenciesByNatureOfContingencyAxis">smlp:DamagesPayableToStateGovernmentsOverSixYearsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i99e16d5f64334ac09f485803269c2893_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:LitigationCaseAxis">smlp:A2015BlacktailReleaseMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ie01bde6684544a98b6a32ebf98ab40b3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:FiveLargestCustomersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:AccountsReceivableMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i22a92423605e41dca687268f40b0a8f8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:FiveLargestCustomersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:AccountsReceivableMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i0c4aa5fc027c4d53be9cc0061203ece7_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="id61a390028fc4d5f9168210319a3a292_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i60d9e1214bc44345a540219382ad1410_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i638f99307bbe45b3a933a098f6c06276_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2022Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i49accef3021d4aacbf2cc0bc42b18e34_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2025Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i38dcfecda61342ee84d7f218015d8ebb_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2025Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i9db0c04444754d9dbb3bf9842e200f47_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2025Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ie44a7b9959244fb3ab02a532f193b778_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDue2025Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ibc1e25d1ad8b4737a96dcf8590855684_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i8fb67b15fa2b469a9814b1777820e6ae_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i932f62d7d019444c90b71eb3b36e0f6f_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:CarryingReportedAmountFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i249ca68aa32d4f48895f1bb51f298c5d_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:SeniorNotesDueTwentyTwentySixMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByFairValueHierarchyLevelAxis">us-gaap:FairValueInputsLevel2Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:FairValueByMeasurementBasisAxis">us-gaap:EstimateOfFairValueFairValueDisclosureMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i518e95e7d80142adb1fe15f2987f8a0a_I20210308">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:InterestRateSwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-03-08</instant>
        </period>
    </context>
    <context id="i16e1cf17f12c474294653eb47338f0eb_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DerivativeInstrumentRiskAxis">us-gaap:InterestRateSwapMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ida3b6e03b22b4dd882274f1b7407f770_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:LimitedPartnerCommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:LimitedPartnerCommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i514f5da533cc4504bd5b6842fd3e2989_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:LimitedPartnerCommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i5dfbca266e604d288e489dee205e3419_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:LimitedPartnerCommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i3654bbdb0c114fd6966d5a595d4c7ff1_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:LimitedPartnerCommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ic814dfcedf9c41d3b25a386c22f0a533_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ClassOfWarrantOrRightAxis">smlp:EnergyCapitalPartnersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i51afd06a9f82464d993cc9d865508c55_I20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:ClassOfWarrantOrRightAxis">smlp:EnergyCapitalPartnersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-05-28</instant>
        </period>
    </context>
    <context id="i67e74ab372cd4ef2bc2a46bbf6ee2f5f_I20171130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2017-11-30</instant>
        </period>
    </context>
    <context id="i36a14e748c454572b39bd688e7b65c9c_D20171101-20171130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-11-01</startDate>
            <endDate>2017-11-30</endDate>
        </period>
    </context>
    <context id="id31005a28cfd4223ad3fe7eebd9b4c15_D20171101-20171130">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2017-11-01</startDate>
            <endDate>2017-11-30</endDate>
        </period>
    </context>
    <context id="ib6760452c5cb4060943e85e78e9b1be2_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i200b20b5d22b4430af48642e18b8556d_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i05bb4bb4582044298383dbd61700ac23_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ib5383e4a0c1a4ea087e796e4c1d46678_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i316c3e5df47b4d338834efdada571d2f_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2eb69a919a1d41a983f575e9b432ba53_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ibc9087d9aa3742b48c2b9ac52405184f_I20210430">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-04-30</instant>
        </period>
    </context>
    <context id="iefb0307b8d594dd296a7411b6e00c280_I20200731">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PartnerTypeOfPartnersCapitalAccountAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TypeOfArrangementAxis">smlp:PreferredStockExchangeOfferMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-07-31</instant>
        </period>
    </context>
    <context id="i512c59da41d54af08c42ea9c8595fabe_D20201201-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SeriesAPreferredUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:TypeOfArrangementAxis">smlp:PreferredStockTenderOfferMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-12-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="id5645d4a59a54656b8b5708638a71ae3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="iae7834c0e3d445c5a03fe73c330b41cf_D20200121-20200121">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LongtermDebtTypeAxis">us-gaap:PaymentInKindPIKNoteMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-21</startDate>
            <endDate>2020-01-21</endDate>
        </period>
    </context>
    <context id="i81efb8b0c4b5456faa25decb9769297d_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i6e4b7f944b0c4d4192115389be491fd7_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SubsidiarySeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i501092b406694f999a5a1ba0ab842745_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:SubsidiarySeriesAPreferredUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i21e6e10b3e1b4e1785710543013a68f8_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="id7cf19a886f1420788dae5c6a8dfa13c_D20200528-20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SMLPCommonUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ClassOfWarrantOrRightAxis">smlp:EnergyCapitalPartnersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-05-28</startDate>
            <endDate>2020-05-28</endDate>
        </period>
    </context>
    <context id="i0b1384bb7c2f45c680cad8bfaae63d3e_D20200527-20200527">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:GPBuyInMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-05-27</startDate>
            <endDate>2020-05-27</endDate>
        </period>
    </context>
    <context id="ic6a27b2cfef6445cb3d574f6a7787c2f_D20200528-20200528">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RestatementAxis">smlp:ECPHoldingsWarrantMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:SMLPCommonUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ClassOfWarrantOrRightAxis">smlp:EnergyCapitalPartnersMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-05-28</startDate>
            <endDate>2020-05-28</endDate>
        </period>
    </context>
    <context id="icb15ea06e5754e2691317233c96cbe6a_D20200527-20200527">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RestatementAxis">smlp:ECPHoldingsWarrantMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:BusinessAcquisitionAxis">smlp:GPBuyInMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-05-27</startDate>
            <endDate>2020-05-27</endDate>
        </period>
    </context>
    <context id="i7317855b8e0f4f908a4610cb06953a0d_I20210805">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:LimitedPartnersCapitalAccountByClassAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-08-05</instant>
        </period>
    </context>
    <context id="i8ec6195e9f154b3681afbf4fed91ae4d_D20200129-20200129">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
        </entity>
        <period>
            <startDate>2020-01-29</startDate>
            <endDate>2020-01-29</endDate>
        </period>
    </context>
    <context id="ifaa5c361322c4cfea6efa4b72ee8c214_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="iacd8842aa4d7423ba68067ec161e7685_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i225a009cb7cb4e3f812434c289b128f8_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="if62d1a7d28b34e1cbe6aea598cd3a922_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ied68fe7b0c724f16bdc5c271745975c0_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">smlp:PhantomShareUnitsAndAssociatedDistributionEquivalentRightsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i1c446415cc654cec851969633811599e_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">smlp:CommonUnitsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ic78a8f90d49544c1b4a8eb32fb53fd4b_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iadb4485699a24264a56099971e1524a8_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ic9a0a3307ddf4a1c9641f4bd36b205f3_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:AwardTypeAxis">us-gaap:PhantomShareUnitsPSUsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="if214e30ab2a04e12806ffd2baebeafe5_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:GeneralAndAdministrativeExpenseMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="id6fa71e9e5b44855ae11594f21aab8b1_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:IncomeStatementLocationAxis">us-gaap:GeneralAndAdministrativeExpenseMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PlanNameAxis">smlp:LongTermIncentivePlanMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i45472ca3dcab4c91be3b25114ac63dbe_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">smlp:OfficeSpaceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ie8d7f75abece4695852c787aa33f890c_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">smlp:OfficeSpaceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i6dc193de71d5488eb30015da8f62932b_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MinimumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:EquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ia907a87ec38643d0a69f5809db131d62_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:RangeAxis">srt:MaximumMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:PropertyPlantAndEquipmentByTypeAxis">us-gaap:EquipmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i6c387cfc46d14183be3a10226bda5dc7_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:CreditFacilityAxis">us-gaap:RevolvingCreditFacilityMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i2e3cad4b6ed64f1ebd77b954a07774fe_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringPlanAxis">smlp:TwoThousandTwentyRestructuringActivitiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i487df2d632bd4420a6df9311f582df6a_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringPlanAxis">smlp:TwoThousandTwentyRestructuringActivitiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ibfe52f1bc4924aa79e28e7377a7b3c09_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringPlanAxis">smlp:TwoThousandNineteenRestructuringActivitiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i55b566a06ff444268de910b8af2bfbd8_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringPlanAxis">smlp:TwoThousandNineteenRestructuringActivitiesMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia00b993aa32e47a896287dd5fe412fd9_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:EmployeeSeveranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="i87dfd7e415d74671ba583e1039168869_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:EmployeeSeveranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ia4864850f7c0483fb53fe284d4d9f2ce_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:EmployeeSeveranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i869313f3eee74150bda7168ac801d07d_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:EmployeeSeveranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i050131de49b44e969c36b9fdcfe85398_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:EmployeeSeveranceMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="ie5de2f1a0dba401a88899de95af3909d_I20191231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:OtherRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2019-12-31</instant>
        </period>
    </context>
    <context id="ibee0c7ad2f98415781168aed5bca2ced_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:OtherRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i535ef0211dda4fafa741559a6e56f2ea_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:OtherRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i53ea468bd8be44738a89746e68596350_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:OtherRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i738b017066274a04be5448eaafd901f8_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:RestructuringCostAndReserveAxis">us-gaap:OtherRestructuringMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i284f467cd9214d6a967b71d0a5ad857a_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i7d2687923163449e807e6ee67f0c28e9_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i12101c24c1ec4df0a492621cbbf3c705_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i3aa4c0c2cbb544e2a85666028801679c_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i82d87f6472194fdb954466e148908881_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i7b29deae19b64a17a78331d373080396_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i80ee21141c634a01bf74e2ce357ffa07_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i956707c2bc9b4af294d4a93e01f07ce3_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ie0a196a7175347edb9b888ba5d9b953c_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i50700f5ef552429385c74c9c69f1d344_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="i48271636f90646fab55b96a6642b0f6c_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i5018fad85d2a4e6b9c2cdfdd8b1c37ea_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:OperatingSegmentsMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="id1f60b7ed99448ff9812e4fd740fb7fe_I20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2021-12-31</instant>
        </period>
    </context>
    <context id="i948a8e72e6134f5ba97386d11dbfbf01_I20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2020-12-31</instant>
        </period>
    </context>
    <context id="ibb223b9540c94660a4c4efad0d9525b3_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i469d907cabbd4009959b45943b7d396b_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:ConsolidationItemsAxis">us-gaap:CorporateNonSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i69715f5f9ef447f2be2d1c7dddbd8f0a_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:CounterpartyAMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:SalesRevenueNetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ib23c5d998f87411f922c46355ea8b4d7_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:CounterpartyAMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:SalesRevenueNetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="id444d9ff83f240f7b2dd1098243cc101_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:CounterpartyCMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:SalesRevenueNetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i59fadd2a2ea64ecb81f5c1763f14275d_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:CounterpartyCMemberPermianBasinMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:SalesRevenueNetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i9833e8a8ba9a42519e4b76c366416c43_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="srt:MajorCustomersAxis">smlp:CounterpartyCMemberBarnettShaleMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByBenchmarkAxis">us-gaap:SalesRevenueNetMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:ConcentrationRiskByTypeAxis">us-gaap:CustomerConcentrationRiskMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i15c92b3f447c467583e5d5ff8b18d502_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="ida6d075a8e7149afa8116e19d8e4cadc_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:NortheastSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ie0542df16507457d861ac41fe95f32de_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="if5271f71285643a4ade97ba922a0dc17_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:RockiesSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="iccf34f93acee41fbbb88e91fb2b29b78_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i20475df928a9486a90da8e5ada9fa5e1_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PermianBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="i90ff66e059d0441f933328b068e23c85_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i9fc9ed2d4b334966bf78ef7d3950e82e_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:PiceanceBasinSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="ib3412783843b4c88a2902d80187f39c0_D20210101-20211231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2021-01-01</startDate>
            <endDate>2021-12-31</endDate>
        </period>
    </context>
    <context id="i109a0ea910d444d0b755f3da83ebd7f5_D20200101-20201231">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementBusinessSegmentsAxis">smlp:BarnettShaleSegmentMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-01-01</startDate>
            <endDate>2020-12-31</endDate>
        </period>
    </context>
    <context id="icdf7cfc23e9c43a1a4065a7e87fe1099_D20220112-20220112">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:SeriesAPreferredStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:SubsequentEventTypeAxis">us-gaap:SubsequentEventMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-01-12</startDate>
            <endDate>2022-01-12</endDate>
        </period>
    </context>
    <context id="i7f98b41f991846d78ebd66c2738933c0_D20220112-20220112">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CommonStockMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:SubsequentEventTypeAxis">us-gaap:SubsequentEventMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-01-12</startDate>
            <endDate>2022-01-12</endDate>
        </period>
    </context>
    <context id="id1cf342722ee446da9f774f6d3815c59_D20220101-20220131">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:PermianTermLoanFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:SubsequentEventTypeAxis">us-gaap:SubsequentEventMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-01-01</startDate>
            <endDate>2022-01-31</endDate>
        </period>
    </context>
    <context id="i88137edd127a4718b255f226d0f022f6_D20220101-20220131">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001549922</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:DebtInstrumentAxis">smlp:PermianTermLoanFacilityMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:SubsequentEventTypeAxis">us-gaap:SubsequentEventMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="us-gaap:VariableRateAxis">us-gaap:LondonInterbankOfferedRateLIBORMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2022-01-01</startDate>
            <endDate>2022-01-31</endDate>
        </period>
    </context>
    <unit id="usd">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="usdPerShare">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="number">
        <measure>pure</measure>
    </unit>
    <unit id="customer">
        <measure>smlp:customer</measure>
    </unit>
    <unit id="director">
        <measure>smlp:director</measure>
    </unit>
    <dei:EntityCentralIndexKey
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF80L2ZyYWc6Y2NhNWVlYmIyMzc1NGUyYjg0MTEwYmQwYjc0ZGYyOTYvdGFibGU6NTNjZjQwMTYzOTBjNDU1MzkzMDBjNjkzOWJhMDIyOGMvdGFibGVyYW5nZTo1M2NmNDAxNjM5MGM0NTUzOTMwMGM2OTM5YmEwMjI4Y18zLTEtMS0xLTA_3c393edd-91c7-4ac1-93a1-ee875ca5aafc">0001549922</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF80L2ZyYWc6Y2NhNWVlYmIyMzc1NGUyYjg0MTEwYmQwYjc0ZGYyOTYvdGFibGU6NTNjZjQwMTYzOTBjNDU1MzkzMDBjNjkzOWJhMDIyOGMvdGFibGVyYW5nZTo1M2NmNDAxNjM5MGM0NTUzOTMwMGM2OTM5YmEwMjI4Y181LTEtMS0xLTA_6fb0f673-5276-4ad3-b35c-2be251df24c5">false</dei:AmendmentFlag>
    <dei:DocumentFiscalYearFocus
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF80L2ZyYWc6Y2NhNWVlYmIyMzc1NGUyYjg0MTEwYmQwYjc0ZGYyOTYvdGFibGU6NTNjZjQwMTYzOTBjNDU1MzkzMDBjNjkzOWJhMDIyOGMvdGFibGVyYW5nZTo1M2NmNDAxNjM5MGM0NTUzOTMwMGM2OTM5YmEwMjI4Y183LTEtMS0xLTA_899910a3-f6e6-407c-84c7-64b255664a64">2021</dei:DocumentFiscalYearFocus>
    <dei:DocumentFiscalPeriodFocus
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF80L2ZyYWc6Y2NhNWVlYmIyMzc1NGUyYjg0MTEwYmQwYjc0ZGYyOTYvdGFibGU6NTNjZjQwMTYzOTBjNDU1MzkzMDBjNjkzOWJhMDIyOGMvdGFibGVyYW5nZTo1M2NmNDAxNjM5MGM0NTUzOTMwMGM2OTM5YmEwMjI4Y184LTEtMS0xLTA_3c0a29ce-ca26-4cd3-8d2f-d6e44c41c562">FY</dei:DocumentFiscalPeriodFocus>
    <us-gaap:TypeOfCostGoodOrServiceExtensibleList
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzktMC0xLTEtMjU1MTc_6b152611-78ec-4a60-8db4-5c95fdd77d31">http://fasb.org/srt/2021-01-31#NaturalGasLiquidsReservesMember</us-gaap:TypeOfCostGoodOrServiceExtensibleList>
    <us-gaap:StockholdersEquityNoteStockSplitConversionRatio1
      contextRef="ib9186008118d47ea9ed4e178f254cce5_D20201109-20201109"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzYvZnJhZzowOTRjZmExYWU5MDA0Y2ZlODlkMDBlZTg1ZGU4NDg0ZS90YWJsZTpjY2JmZjgzZTM3NGY0OWZiOWJlMjEyZDU3NzAxNmZiMS90YWJsZXJhbmdlOmNjYmZmODNlMzc0ZjQ5ZmI5YmUyMTJkNTc3MDE2ZmIxXzItMS0xLTEtMA_1e12dc4d-a84a-4546-8974-3be52df71b3f"
      unitRef="number">0.07</us-gaap:StockholdersEquityNoteStockSplitConversionRatio1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="i40beb6f78fb441788c6e03ccb95d20ea_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzMtMS0xLTEtMA_09bba0d8-beec-42e8-9f2f-d7ae816c2212">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="iac03af23dc9e4b41b55117ada3ec9989_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzUtMS0xLTEtMA_c0611fda-8e43-44a9-b44a-e2c9ccbe7448">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="i8c121d578b934391b71fe7932f82f43a_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzctMS0xLTEtMA_e9f244dd-a014-4e0c-a8b8-0e6a1c446ca2">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="i150449a01abd414c8b422e7a134bf71a_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzktMS0xLTEtMA_419f7969-9f60-4dda-9328-d8f15491ea42">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="i00596ba36ee74a48bfba358d092009cb_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzExLTEtMS0xLTA_41505e71-ff36-4b56-9c55-0d24241d755c">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
      contextRef="i20fe567fd62e4c53a98875265018b8fb_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDgvZnJhZzphYzQxNGQyY2RmMDM0NGQxYjlkZjg3MzVkMzBhOWY5OS90YWJsZToyNTk0M2MzOWRmN2Y0ZjRkODYzY2Y0N2U0MmQ3NTUxMy90YWJsZXJhbmdlOjI1OTQzYzM5ZGY3ZjRmNGQ4NjNjZjQ3ZTQyZDc1NTEzXzEzLTEtMS0xLTA_7dcebd08-4219-459b-aa05-61d875e49e60">P1Y</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="ied68fe7b0c724f16bdc5c271745975c0_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzE2NDkyNjc0NDYzNTA_6b8d5b23-e630-47fd-9e7f-6a7a2f7be30a">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_7261174e-97cf-4476-9943-13b34afb4154">http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent</us-gaap:FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList>
    <us-gaap:FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_ba4d9b58-b99f-42c2-8e9d-19190b9f4d39">http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent</us-gaap:FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fb06e5ee-08a7-42ed-807f-87fd32e6d500">http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent</us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fe9bdd51-5891-465f-be34-4eaa5dd7bbb3">http://fasb.org/us-gaap/2021-01-31#OtherAssetsNoncurrent</us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList>
    <us-gaap:FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_05ba815c-11cd-46d6-ac36-e97556537dbc">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent</us-gaap:FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_6af787bb-872b-4720-933e-3a7165e7f5bb">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent</us-gaap:OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_a0e33fac-a697-4f0a-8f4e-198b89c81809">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent</us-gaap:OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_b5f37812-eb7b-4a6d-b4c9-d51876e46420">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesCurrent</us-gaap:FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_529ffb65-27a3-4b5d-999c-25df929385a8">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent</us-gaap:OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_70f0f5ad-a6a7-42f3-b1e3-d3eddbc71632">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent</us-gaap:OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_8377a66d-0499-4213-9b9c-20ded229e66d">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent</us-gaap:FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList>
    <us-gaap:FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_cdda1c7c-cd90-4c0a-82fc-420a5a00af93">http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent</us-gaap:FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList>
    <dei:DocumentType
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDg5_b477129b-f4cc-4703-8e6b-bd9e35289326">10-K</dei:DocumentType>
    <dei:DocumentAnnualReport
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6OWEwMTdmZGZlNmE5NGE4YmE1N2ZlYjFkMGRkMTZkYzEvdGFibGVyYW5nZTo5YTAxN2ZkZmU2YTk0YThiYTU3ZmViMWQwZGQxNmRjMV8wLTAtMS0xLTA_c3a2ee35-d0cc-48d5-ab2c-0bcfbfbebbb0">true</dei:DocumentAnnualReport>
    <dei:DocumentPeriodEndDate
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM184MjQ2MzM3MjE0NTc2_6e72aa32-3603-4d85-b1cb-309badb295d8">2021-12-31</dei:DocumentPeriodEndDate>
    <dei:CurrentFiscalYearEndDate
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM184MjQ2MzM3MjE0NTc2_af75955d-5dd8-4d3e-aa14-3c36e23188fe">--12-31</dei:CurrentFiscalYearEndDate>
    <dei:DocumentTransitionReport
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6NWZlMmIyZmM0NTBhNDg5YTlhMzFkOGVmNzYzMTE4MGUvdGFibGVyYW5nZTo1ZmUyYjJmYzQ1MGE0ODlhOWEzMWQ4ZWY3NjMxMTgwZV8wLTAtMS0xLTA_200aef6d-9c89-4a1a-bfdb-135c2ac83795">false</dei:DocumentTransitionReport>
    <dei:EntityFileNumber
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDg3_c3350268-646b-4f88-8cef-ae1e06799fd7">001-35666</dei:EntityFileNumber>
    <dei:EntityRegistrantName
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDc2_506e6052-7651-4d07-b046-563f87a12887">Summit Midstream Partners, LP</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM184MjQ2MzM3MjE0NTM5_35d79a25-b17e-466a-ab4b-43e6982f68b5">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityAddressAddressLine1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDc3_d3df217c-1fcd-4638-801a-5061a462bc4e">910 Louisiana Street</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDkw_bcbab867-892e-454d-b002-5fd6a0825777">Suite 4200</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDkx_e19429ad-4b4c-44f2-887b-ef5e673e89cb">Houston</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDc4_5430b30b-cafc-4f3d-b993-5f6ea80cf555">TX</dei:EntityAddressStateOrProvince>
    <dei:EntityTaxIdentificationNumber
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDg4_23835014-85f6-4d0e-805c-46c7b598169c">45-5200503</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressPostalZipCode
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDky_3c041706-6fe9-4045-9242-8b95e819caa6">77002</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDgy_9655d913-f360-45ef-a3a8-2347b1b925c0">832</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDgz_cec04e03-e069-474c-a635-dae661d9d695">413-4770</dei:LocalPhoneNumber>
    <dei:Security12bTitle
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6YTc5ZGMxNjI5NjIzNGM3YmE1Y2FlNjIxNjhlMzVjYjAvdGFibGVyYW5nZTphNzlkYzE2Mjk2MjM0YzdiYTVjYWU2MjE2OGUzNWNiMF8xLTAtMS0xLTA_c7ac932d-e757-4ccc-9bba-0f63bfb9cc00">Common Units</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6YTc5ZGMxNjI5NjIzNGM3YmE1Y2FlNjIxNjhlMzVjYjAvdGFibGVyYW5nZTphNzlkYzE2Mjk2MjM0YzdiYTVjYWU2MjE2OGUzNWNiMF8xLTEtMS0xLTA_21368f9a-28b2-4fe4-ab03-a71513ec7144">SMLP</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6YTc5ZGMxNjI5NjIzNGM3YmE1Y2FlNjIxNjhlMzVjYjAvdGFibGVyYW5nZTphNzlkYzE2Mjk2MjM0YzdiYTVjYWU2MjE2OGUzNWNiMF8xLTItMS0xLTI0MTEx_a81ae6f2-3300-4355-997c-481f3740d216">NYSE</dei:SecurityExchangeName>
    <dei:EntityWellKnownSeasonedIssuer
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDc5_f15478ed-2ab4-4fd7-b22a-9f87a5f3e8b6">No</dei:EntityWellKnownSeasonedIssuer>
    <dei:EntityVoluntaryFilers
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDg0_9a284856-067c-4f39-b6a5-b4a141e9ceb5">No</dei:EntityVoluntaryFilers>
    <dei:EntityCurrentReportingStatus
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDg1_4f317ab9-7f62-4641-b515-13eec527c415">Yes</dei:EntityCurrentReportingStatus>
    <dei:EntityInteractiveDataCurrent
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDkz_1408d7ba-a25e-4eeb-9e08-0944b1600cb1">Yes</dei:EntityInteractiveDataCurrent>
    <dei:EntityFilerCategory
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6NDc4ZGEzYTc1OTFiNDI2ODliOWIwY2Y1NDgyNDdkNmMvdGFibGVyYW5nZTo0NzhkYTNhNzU5MWI0MjY4OWI5YjBjZjU0ODI0N2Q2Y18wLTMtMS0xLTM5ODY5_04b34fcc-b0c2-4eb7-96cc-58784a00d8f4">Accelerated Filer</dei:EntityFilerCategory>
    <dei:EntitySmallBusiness
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6NDc4ZGEzYTc1OTFiNDI2ODliOWIwY2Y1NDgyNDdkNmMvdGFibGVyYW5nZTo0NzhkYTNhNzU5MWI0MjY4OWI5YjBjZjU0ODI0N2Q2Y18yLTQtMS0xLTA_36b267ae-2c73-499b-8224-801f45d934d4">true</dei:EntitySmallBusiness>
    <dei:EntityEmergingGrowthCompany
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6NDc4ZGEzYTc1OTFiNDI2ODliOWIwY2Y1NDgyNDdkNmMvdGFibGVyYW5nZTo0NzhkYTNhNzU5MWI0MjY4OWI5YjBjZjU0ODI0N2Q2Y180LTEtMS0xLTA_04f6dd69-f109-427d-b371-fb979c59d327">false</dei:EntityEmergingGrowthCompany>
    <dei:IcfrAuditorAttestationFlag
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDgw_f5ac5936-03d6-4880-83b3-5f7b67b0fd46">true</dei:IcfrAuditorAttestationFlag>
    <dei:EntityShellCompany
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM18zMDgx_03c6205f-a89f-4283-a320-45fe7986d3be">false</dei:EntityShellCompany>
    <dei:EntityPublicFloat
      contextRef="i962576e4ceda427b850a2cbed235cc1f_I20210630"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM184MjQ2MzM3MjE2NDc3_aa034240-c9b6-4c0e-b921-ae901c0c0ef2"
      unitRef="usd">204910000</dei:EntityPublicFloat>
    <dei:EntityCommonStockSharesOutstanding
      contextRef="ieb3c2ba6e563451b8a400fe5df9dec00_I20220215"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGFibGU6ZGFkOTc5YWJlNjM5NDFlZWFmYzNhNmI1Mjg3ZDQzYzMvdGFibGVyYW5nZTpkYWQ5NzlhYmU2Mzk0MWVlYWZjM2E2YjUyODdkNDNjM18xLTItMS0xLTA_85e51bdb-e528-4c05-be59-7f3c44db3d3c"
      unitRef="shares">10023709</dei:EntityCommonStockSharesOutstanding>
    <dei:DocumentsIncorporatedByReferenceTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xL2ZyYWc6NzIzMGMyZWM1NzhlNDY3OWE0Mzc0Y2NhOTMxY2FhYzMvdGV4dHJlZ2lvbjo3MjMwYzJlYzU3OGU0Njc5YTQzNzRjY2E5MzFjYWFjM184MjQ2MzM3MjE2NDkw_51b67ecc-e627-4b6e-a2be-c5dda123615a">Portions of the registrant&#x2019;s definitive proxy statement relating to its 2022 Annual Meeting of Limited Partners, which will be filed with the Securities and Exchange Commission within 120 days of December 31, 2021, are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated.</dei:DocumentsIncorporatedByReferenceTextBlock>
    <dei:AuditorFirmId
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDMvZnJhZzpjODViOTUzZTVhYWQ0ZTgwOTJiNjY1MjExMjE1Y2UzYi90YWJsZTo4OWMyZmUzODVjMDI0NmNjYTNmNzNmMzYyYzM4NDgyYS90YWJsZXJhbmdlOjg5YzJmZTM4NWMwMjQ2Y2NhM2Y3M2YzNjJjMzg0ODJhXzAtMC0xLTEtNDA3NTAvdGV4dHJlZ2lvbjo4ZWRjYWQ4OWNiN2M0Y2YzOTkxOWM4YzNjNjI4NzEyZl84Nzk2MDkzMDIyMzg2_c89eea43-90f7-4c5b-a1fc-e8a65cc00b56">34</dei:AuditorFirmId>
    <dei:AuditorName
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDYvZnJhZzo1OTZiMTZlZmI4MTU0MDlkOGY3NjdmZTkzYzAzNzUzOC90ZXh0cmVnaW9uOjU5NmIxNmVmYjgxNTQwOWQ4Zjc2N2ZlOTNjMDM3NTM4Xzg3OTYwOTMwNjc5Mzg_2435090f-4a2a-43e4-ba0f-9b091af243b1">Deloitte &amp; Touche LLP</dei:AuditorName>
    <dei:AuditorLocation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDYvZnJhZzo1OTZiMTZlZmI4MTU0MDlkOGY3NjdmZTkzYzAzNzUzOC90ZXh0cmVnaW9uOjU5NmIxNmVmYjgxNTQwOWQ4Zjc2N2ZlOTNjMDM3NTM4XzgyNDYzMzcyNTQwNTI_c8864902-d0a5-462b-8ba4-835ab3239653">Houston, Texas</dei:AuditorLocation>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMtMS0xLTEtMA_9cd6d9ad-dc31-4eb7-90b9-64c0ae0e9ab1"
      unitRef="usd">7349000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMtMy0xLTEtMA_46bb4e43-9387-49d8-9202-436425e0b2cb"
      unitRef="usd">15544000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <us-gaap:RestrictedCash
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzQtMS0xLTEtMA_1bdb4e9d-9ec8-46d8-9064-d5605309d9ae"
      unitRef="usd">12223000</us-gaap:RestrictedCash>
    <us-gaap:RestrictedCash
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzQtMy0xLTEtMA_aae0070f-514b-4aa1-8751-3414408784af"
      unitRef="usd">0</us-gaap:RestrictedCash>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzUtMS0xLTEtMA_a55f0fb5-8274-442b-be74-f3b8f30acab7"
      unitRef="usd">62121000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzUtMy0xLTEtMA_e4e679db-fc9c-44b7-a12c-1cd7eb884abc"
      unitRef="usd">61932000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:OtherAssetsCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzYtMS0xLTEtMA_7ad871e8-8866-4ba8-a328-535124b684cf"
      unitRef="usd">5676000</us-gaap:OtherAssetsCurrent>
    <us-gaap:OtherAssetsCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzYtMy0xLTEtMA_d691dc61-147b-481f-819c-d4321e86bb2b"
      unitRef="usd">4623000</us-gaap:OtherAssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzctMS0xLTEtMA_9a823178-ab2c-4c4e-8046-6e3a36cf4b0d"
      unitRef="usd">87369000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzctMy0xLTEtMA_2c4a57a6-78ed-435e-b063-833b15768fd7"
      unitRef="usd">82099000</us-gaap:AssetsCurrent>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzgtMS0xLTEtMA_aec0e76a-e1e1-44b7-a5fa-1155a1ac35d6"
      unitRef="usd">1726082000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzgtMy0xLTEtMA_e47999de-7ee7-4f06-956e-b952f03b6bcb"
      unitRef="usd">1813810000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzktMS0xLTEtMA_e2fc4b4a-3110-4aec-af5e-381475a3c529"
      unitRef="usd">172927000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzktMy0xLTEtMA_877bb97e-f55b-4047-9e50-082338def435"
      unitRef="usd">199566000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:EquityMethodInvestments
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzEwLTEtMS0xLTA_60358d23-eca3-486d-9d11-cb626f765b26"
      unitRef="usd">523196000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzEwLTMtMS0xLTA_27722d85-b3aa-49eb-bfbf-2e10e76065e3"
      unitRef="usd">392740000</us-gaap:EquityMethodInvestments>
    <us-gaap:OtherAssetsNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzExLTEtMS0xLTA_75eecc5a-4a80-4fb3-8059-c2faeb717838"
      unitRef="usd">12888000</us-gaap:OtherAssetsNoncurrent>
    <us-gaap:OtherAssetsNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzExLTMtMS0xLTA_3d2f8768-5268-42c5-ad01-3f2f6938ef64"
      unitRef="usd">11602000</us-gaap:OtherAssetsNoncurrent>
    <us-gaap:Assets
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzEyLTEtMS0xLTA_259cc573-b8c9-4d15-91fb-d4d1c23d42c5"
      unitRef="usd">2522462000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzEyLTMtMS0xLTA_a47ec0ea-bc16-4c4f-819c-0af664f25c2a"
      unitRef="usd">2499817000</us-gaap:Assets>
    <us-gaap:AccountsPayableCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE1LTEtMS0xLTA_4731ae54-8cc5-41ce-a40a-2712d475eced"
      unitRef="usd">10498000</us-gaap:AccountsPayableCurrent>
    <us-gaap:AccountsPayableCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE1LTMtMS0xLTA_b63efd1b-7e9f-4c7f-bd2e-66204ecd033b"
      unitRef="usd">11878000</us-gaap:AccountsPayableCurrent>
    <us-gaap:AccruedLiabilitiesCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE2LTEtMS0xLTA_386c03b6-96f4-4143-91c3-4410e455c927"
      unitRef="usd">14462000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:AccruedLiabilitiesCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE2LTMtMS0xLTA_62099078-c149-435c-9b8b-a3d9a628f4c7"
      unitRef="usd">13036000</us-gaap:AccruedLiabilitiesCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE3LTEtMS0xLTA_9d51db7a-f69a-4e8b-8d74-c6cd1940ab20"
      unitRef="usd">10374000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE3LTMtMS0xLTA_c1cba101-e75d-4eb3-9733-50139c57e8c6"
      unitRef="usd">9988000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE4LTEtMS0xLTA_5d215602-fec6-4741-92e7-b1650c3a1e78"
      unitRef="usd">8570000</us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent>
    <us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE4LTMtMS0xLTA_7609479d-ade4-4e9b-8550-a3ac30a60570"
      unitRef="usd">9086000</us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent>
    <us-gaap:AccruedEmployeeBenefitsCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE5LTEtMS0xLTA_dc5b084b-4044-41d7-bc21-93542240ee72"
      unitRef="usd">11019000</us-gaap:AccruedEmployeeBenefitsCurrent>
    <us-gaap:AccruedEmployeeBenefitsCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzE5LTMtMS0xLTA_8d9449c2-ca98-4f18-a865-44f29b9fe4df"
      unitRef="usd">9658000</us-gaap:AccruedEmployeeBenefitsCurrent>
    <us-gaap:InterestPayableCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIwLTEtMS0xLTA_37b181c4-ebd8-48d3-9ab5-3fc86cd52740"
      unitRef="usd">12737000</us-gaap:InterestPayableCurrent>
    <us-gaap:InterestPayableCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIwLTMtMS0xLTA_08926a46-a757-4ea7-bfe4-fbafc66e2718"
      unitRef="usd">8007000</us-gaap:InterestPayableCurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIxLTEtMS0xLTA_06b31e1e-b949-4079-ba16-3b6460c26320"
      unitRef="usd">3068000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIxLTMtMS0xLTA_a881928e-b26a-4a94-b32d-a4dfc72df73c"
      unitRef="usd">1392000</us-gaap:AccruedEnvironmentalLossContingenciesCurrent>
    <us-gaap:LitigationReserveCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIyLTEtMS0xLTM1MjM1_733b24a9-2017-4c31-a8f4-ad712f4ebb2f"
      unitRef="usd">4833000</us-gaap:LitigationReserveCurrent>
    <us-gaap:LitigationReserveCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIyLTMtMS0xLTM1MjM1_f2b81d2f-bbd7-4de9-acd4-9eb224dfb5b8"
      unitRef="usd">0</us-gaap:LitigationReserveCurrent>
    <us-gaap:OtherLiabilitiesCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIyLTEtMS0xLTA_2e18511d-a079-4833-926e-45a3817775cf"
      unitRef="usd">3676000</us-gaap:OtherLiabilitiesCurrent>
    <us-gaap:OtherLiabilitiesCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzIyLTMtMS0xLTA_ced28ca4-18e3-418e-b728-869baeb4e199"
      unitRef="usd">5363000</us-gaap:OtherLiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI0LTEtMS0xLTA_39f1b91d-990d-4b59-a5f6-68a48fda9df4"
      unitRef="usd">79237000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI0LTMtMS0xLTA_a4f95e0a-2f0a-4f3a-84d2-ed8826ac8793"
      unitRef="usd">68408000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LongTermDebtNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI1LTEtMS0xLTA_044221e3-a6cd-4279-991c-25bfa4b64faa"
      unitRef="usd">1355072000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:LongTermDebtNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI1LTMtMS0xLTA_bb5ae8e2-a5a0-4e4e-9ce3-c506e3fb3bff"
      unitRef="usd">1347326000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:ContractWithCustomerLiabilityNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI2LTEtMS0xLTA_8ce8cf9f-1a31-4739-8028-1a99bf3044e1"
      unitRef="usd">42570000</us-gaap:ContractWithCustomerLiabilityNoncurrent>
    <us-gaap:ContractWithCustomerLiabilityNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI2LTMtMS0xLTA_c6664845-046e-4e40-a46d-0b70370b4fa9"
      unitRef="usd">48250000</us-gaap:ContractWithCustomerLiabilityNoncurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI3LTEtMS0xLTA_c24c94df-4b4e-44a9-bfd8-6b103057b57f"
      unitRef="usd">2538000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI3LTMtMS0xLTA_ab760687-16ae-4a7a-8d3e-15b4e803efc7"
      unitRef="usd">1537000</us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent>
    <us-gaap:OtherLiabilitiesNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI4LTEtMS0xLTA_42962b5f-e083-4fd0-874d-71d86440e15b"
      unitRef="usd">32357000</us-gaap:OtherLiabilitiesNoncurrent>
    <us-gaap:OtherLiabilitiesNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI4LTMtMS0xLTA_2f09088f-e3d1-46c4-b3b5-16edbb8adda5"
      unitRef="usd">21747000</us-gaap:OtherLiabilitiesNoncurrent>
    <us-gaap:Liabilities
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI5LTEtMS0xLTA_f05604da-d3c4-4777-a95b-279902913020"
      unitRef="usd">1511774000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzI5LTMtMS0xLTA_c6a385ff-d8ba-49ef-ae5b-7b8a34e62eb6"
      unitRef="usd">1487268000</us-gaap:Liabilities>
    <us-gaap:CommitmentsAndContingencies
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMwLTEtMS0xLTA_2b0c1cd5-07ca-40af-8bb9-b9872a2c558e"
      unitRef="usd"
      xsi:nil="true"/>
    <us-gaap:CommitmentsAndContingencies
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMwLTMtMS0xLTA_b2714bb5-8ed5-4795-bb9f-50dd0bd1a3d4"
      unitRef="usd"
      xsi:nil="true"/>
    <us-gaap:PreferredUnitsIssued
      contextRef="i9abde4a6424c4393a52bbebe5c67eb77_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTAtMS0xLTAvdGV4dHJlZ2lvbjo4NGU4MGY0NTk1YjM0ODBkOGEzZjEyMjkyNTE2YjFhMF8yNzQ4Nzc5MDY5NTUy_55d86542-7d1e-4c2c-8a13-f5d54b16bfb5"
      unitRef="shares">91439000</us-gaap:PreferredUnitsIssued>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="i9abde4a6424c4393a52bbebe5c67eb77_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTAtMS0xLTAvdGV4dHJlZ2lvbjo4NGU4MGY0NTk1YjM0ODBkOGEzZjEyMjkyNTE2YjFhMF8yNzQ4Nzc5MDY5NTUy_d16020f5-759c-4782-8b85-25b2d5eda5f0"
      unitRef="shares">91439000</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="ibcbaf6b70b7a40fc96e212131f974054_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTAtMS0xLTAvdGV4dHJlZ2lvbjo4NGU4MGY0NTk1YjM0ODBkOGEzZjEyMjkyNTE2YjFhMF8yNzQ4Nzc5MDY5NTQ4_490e0542-67d9-4570-8657-4f962bf43f9f"
      unitRef="shares">85308000</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredUnitsIssued
      contextRef="ibcbaf6b70b7a40fc96e212131f974054_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTAtMS0xLTAvdGV4dHJlZ2lvbjo4NGU4MGY0NTk1YjM0ODBkOGEzZjEyMjkyNTE2YjFhMF8yNzQ4Nzc5MDY5NTQ4_eee961c2-dbea-429e-9741-6d900f717242"
      unitRef="shares">85308000</us-gaap:PreferredUnitsIssued>
    <us-gaap:TemporaryEquityCarryingAmountAttributableToParent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTEtMS0xLTA_708e0cf4-f979-4b5d-8312-77aa36bbc82b"
      unitRef="usd">106325000</us-gaap:TemporaryEquityCarryingAmountAttributableToParent>
    <us-gaap:TemporaryEquityCarryingAmountAttributableToParent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzMzLTMtMS0xLTA_9f68e6c8-abc6-4035-a765-cdbd07752f45"
      unitRef="usd">89658000</us-gaap:TemporaryEquityCarryingAmountAttributableToParent>
    <us-gaap:PreferredUnitsIssued
      contextRef="i2dde56002ef94d58aa6f41f243139923_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTAtMS0xLTAvdGV4dHJlZ2lvbjo4NWYxM2EyNGNkNjc0MTRmYTQyMzQxMmIyZmRkNzRhYl8zMA_569397b7-10fe-4351-adcb-3f0ab69e2d6f"
      unitRef="shares">143447</us-gaap:PreferredUnitsIssued>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="i2dde56002ef94d58aa6f41f243139923_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTAtMS0xLTAvdGV4dHJlZ2lvbjo4NWYxM2EyNGNkNjc0MTRmYTQyMzQxMmIyZmRkNzRhYl8zMA_e7f2beae-d356-4937-8e1b-418d7548897f"
      unitRef="shares">143447</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredUnitsIssued
      contextRef="i541ecaf06e2a47c0a5ae661406b01b83_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTAtMS0xLTAvdGV4dHJlZ2lvbjo4NWYxM2EyNGNkNjc0MTRmYTQyMzQxMmIyZmRkNzRhYl8zNw_0e162745-1d6f-436e-bd36-28522ca4b086"
      unitRef="shares">162109</us-gaap:PreferredUnitsIssued>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="i541ecaf06e2a47c0a5ae661406b01b83_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTAtMS0xLTAvdGV4dHJlZ2lvbjo4NWYxM2EyNGNkNjc0MTRmYTQyMzQxMmIyZmRkNzRhYl8zNw_898fbf24-6575-4497-b624-36edb3da515e"
      unitRef="shares">162109</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTEtMS0xLTA_8bf0e03d-8e17-406a-a550-91de54eed06d"
      unitRef="usd">169769000</us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts>
    <us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM2LTMtMS0xLTA_6395d96e-a066-4891-8d27-491fa42eee65"
      unitRef="usd">174425000</us-gaap:PreferredUnitsPreferredPartnersCapitalAccounts>
    <us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTAtMS0xLTAvdGV4dHJlZ2lvbjoyZWE1MGFmYmQ2MzY0ZjEwOTNmNGVmYjE4NWVhZDdhMF8zNg_146eac79-7455-4359-a602-e8c69e2f3f36"
      unitRef="shares">7169834</us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding>
    <us-gaap:LimitedPartnersCapitalAccountUnitsIssued
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTAtMS0xLTAvdGV4dHJlZ2lvbjoyZWE1MGFmYmQ2MzY0ZjEwOTNmNGVmYjE4NWVhZDdhMF8zNg_a98a0cda-3507-40cf-8fa9-7a1cb0af1ce0"
      unitRef="shares">7169834</us-gaap:LimitedPartnersCapitalAccountUnitsIssued>
    <us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTAtMS0xLTAvdGV4dHJlZ2lvbjoyZWE1MGFmYmQ2MzY0ZjEwOTNmNGVmYjE4NWVhZDdhMF80Mw_80d558ee-83d3-4fd1-a095-cbb27ff01e81"
      unitRef="shares">6110092</us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding>
    <us-gaap:LimitedPartnersCapitalAccountUnitsIssued
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTAtMS0xLTAvdGV4dHJlZ2lvbjoyZWE1MGFmYmQ2MzY0ZjEwOTNmNGVmYjE4NWVhZDdhMF80Mw_a2e56a5f-6fb3-434d-a96c-6295ee725e5d"
      unitRef="shares">6110092</us-gaap:LimitedPartnersCapitalAccountUnitsIssued>
    <us-gaap:LimitedPartnersCapitalAccount
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTEtMS0xLTA_b8980548-f38c-491b-9589-f091cdf53baa"
      unitRef="usd">734594000</us-gaap:LimitedPartnersCapitalAccount>
    <us-gaap:LimitedPartnersCapitalAccount
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM3LTMtMS0xLTA_8fff6164-f6a8-490c-97c6-ec5fe2c4f516"
      unitRef="usd">748466000</us-gaap:LimitedPartnersCapitalAccount>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM5LTEtMS0xLTA_3e2b2263-798e-4b50-b633-f5727ebb5f60"
      unitRef="usd">904363000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzM5LTMtMS0xLTA_52dda69c-9345-4524-a317-93793f95ab4f"
      unitRef="usd">922891000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzQwLTEtMS0xLTA_05fc4095-00f6-4416-bd2e-6d11a15ba6ca"
      unitRef="usd">2522462000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:LiabilitiesAndStockholdersEquity
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMDkvZnJhZzpiNTQyMjQzZmRlMmI0YzNhYTk0ZDU2OGEwYjc3NmI4Yy90YWJsZTphYzZmZWQ5OWM5MGQ0YzRmODExZDc1NzliOTgxMTQ4NS90YWJsZXJhbmdlOmFjNmZlZDk5YzkwZDRjNGY4MTFkNzU3OWI5ODExNDg1XzQwLTMtMS0xLTA_808e2fd3-6145-413d-b848-c69e0f99805f"
      unitRef="usd">2499817000</us-gaap:LiabilitiesAndStockholdersEquity>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="idbbe91c573aa4e718da954aa4224efe9_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzQtMS0xLTEtMA_beaaf204-e911-4027-9a36-4b5994b3fb7e"
      unitRef="usd">281705000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i813d5d9152714ae6994e839ffd5ce1d7_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzQtMy0xLTEtMA_6f382427-19ab-472b-acef-40d746be117b"
      unitRef="usd">302792000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib18d23e148e44824b9310080fae594dd_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzUtMS0xLTEtMA_cc739ca3-62e3-449a-9ed3-9a038aae3cf4"
      unitRef="usd">82768000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ie5f9d6f3d329444f828c66622ec38ab3_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzUtMy0xLTEtMA_a06a4ceb-428d-4762-9c34-bc27c5cde2f9"
      unitRef="usd">49319000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i79068cc301c944a1ba808bff998b77b8_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzYtMS0xLTEtMA_63527566-2616-41f4-b310-99fc90ae3688"
      unitRef="usd">36145000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i9b2fa41e56bf4e2d9bd3a51c8a196091_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzYtMy0xLTEtMA_e47f9335-b04b-4e4e-b7a3-0dde023697df"
      unitRef="usd">31362000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzctMS0xLTEtMA_c3b715e3-96b4-491e-ba74-8a36ff5abced"
      unitRef="usd">400618000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzctMy0xLTEtMA_6ee8106a-9d85-40d5-9485-dc3edc5c34d2"
      unitRef="usd">383473000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzktMS0xLTEtMA_522c9b97-4237-405e-850c-a28544cd5add"
      unitRef="usd">81969000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:CostOfGoodsAndServicesSold
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzktMy0xLTEtMA_af0bae44-d212-4ff1-8874-ec67274962d7"
      unitRef="usd">36653000</us-gaap:CostOfGoodsAndServicesSold>
    <us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEwLTEtMS0xLTA_c13992d3-3190-4a27-9dc5-7f865bbcc5a5"
      unitRef="usd">74178000</us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations>
    <us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEwLTMtMS0xLTA_e8bb8687-6602-4f55-972a-aee17bdfb1e0"
      unitRef="usd">86030000</us-gaap:UtilitiesOperatingExpenseMaintenanceAndOperations>
    <us-gaap:GeneralAndAdministrativeExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzExLTEtMS0xLTA_16ced529-1950-48f6-8216-e2abcce893f8"
      unitRef="usd">58166000</us-gaap:GeneralAndAdministrativeExpense>
    <us-gaap:GeneralAndAdministrativeExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzExLTMtMS0xLTA_ae6d4f47-78fd-46eb-9008-105b3f8492ee"
      unitRef="usd">73438000</us-gaap:GeneralAndAdministrativeExpense>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEyLTEtMS0xLTA_c46517c2-50f2-4771-85f3-42b0d614c5f5"
      unitRef="usd">119076000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEyLTMtMS0xLTA_c7f623e1-8b8a-4d0a-90ae-1f04be2b225f"
      unitRef="usd">118132000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:BusinessCombinationAcquisitionRelatedCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEzLTEtMS0xLTA_97eae5db-6e37-41a0-a213-a4a6711dcc30"
      unitRef="usd">1677000</us-gaap:BusinessCombinationAcquisitionRelatedCosts>
    <us-gaap:BusinessCombinationAcquisitionRelatedCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzEzLTMtMS0xLTA_017dbcb4-c78a-4e2e-96f0-1cd7d471271a"
      unitRef="usd">2993000</us-gaap:BusinessCombinationAcquisitionRelatedCosts>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE0LTEtMS0xLTA_54a442af-b4b8-4ac1-9af0-eb8f5ce82d9c"
      unitRef="usd">369000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE0LTMtMS0xLTA_f9db14b6-dc7d-402b-8b70-d5e2c5e63972"
      unitRef="usd">307000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE1LTEtMS0xLTA_17a78fcb-a45f-4847-b191-f242f3463bad"
      unitRef="usd">10151000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE1LTMtMS0xLTA_b95f7094-0ef4-4a91-b739-4121a76854b7"
      unitRef="usd">13089000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <us-gaap:CostsAndExpenses
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE3LTEtMS0xLTA_d3dea7d4-c1e9-4624-a5b9-cd510a1cf574"
      unitRef="usd">344848000</us-gaap:CostsAndExpenses>
    <us-gaap:CostsAndExpenses
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE3LTMtMS0xLTA_584d5261-6005-4bba-bb60-a530063846fe"
      unitRef="usd">330028000</us-gaap:CostsAndExpenses>
    <us-gaap:OtherOperatingIncomeExpenseNet
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE4LTEtMS0xLTA_8acfcbb8-6966-49ff-9201-46b61ea19672"
      unitRef="usd">-613000</us-gaap:OtherOperatingIncomeExpenseNet>
    <us-gaap:OtherOperatingIncomeExpenseNet
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE4LTMtMS0xLTA_d8692f56-5043-4dd8-8c62-446d67030201"
      unitRef="usd">48000</us-gaap:OtherOperatingIncomeExpenseNet>
    <us-gaap:GainLossOnDerivativeInstrumentsNetPretax
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE4LTEtMS0xLTI1NDk5_d9e0908e-9977-4952-b42d-a67a16ca9f5d"
      unitRef="usd">-13634000</us-gaap:GainLossOnDerivativeInstrumentsNetPretax>
    <us-gaap:GainLossOnDerivativeInstrumentsNetPretax
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE4LTMtMS0xLTI1NDk5_b71fca97-5825-4763-a0d6-2736e95811f7"
      unitRef="usd">0</us-gaap:GainLossOnDerivativeInstrumentsNetPretax>
    <us-gaap:InterestExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE5LTEtMS0xLTA_0541955c-28a2-4321-aa5e-127757553949"
      unitRef="usd">66156000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzE5LTMtMS0xLTA_0055f7ed-74ab-4c68-ac88-d7d8e0fd96d5"
      unitRef="usd">78894000</us-gaap:InterestExpense>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIwLTEtMS0xLTA_db8ad4c9-33b4-4443-9f14-dc541c66ac77"
      unitRef="usd">-3523000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIwLTMtMS0xLTA_490f3dcd-b268-4733-b718-90f3793923ad"
      unitRef="usd">203062000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIxLTEtMS0xLTA_337af480-a55a-46ea-acee-3d4948792729"
      unitRef="usd">-28156000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIxLTMtMS0xLTA_d1d8d4eb-faee-45bd-910d-50f438a11fbb"
      unitRef="usd">177661000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIyLTEtMS0xLTA_cb4d2a52-4e30-4bc3-9e07-ef1a2a82f95b"
      unitRef="usd">-327000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIyLTMtMS0xLTA_84fa98c1-7bcf-4c61-9cab-87e3ba7434ad"
      unitRef="usd">-146000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeLossFromEquityMethodInvestments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIzLTEtMS0xLTA_08742da6-6b5d-4e9b-bbf5-f86c15f55721"
      unitRef="usd">7880000</us-gaap:IncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromEquityMethodInvestments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzIzLTMtMS0xLTA_8717e120-a147-4c1d-9240-07cd3bd0f5df"
      unitRef="usd">11271000</us-gaap:IncomeLossFromEquityMethodInvestments>
    <us-gaap:ProfitLoss
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI0LTEtMS0xLTA_8cec95c6-0946-43b8-8e32-c1bd6ab588bb"
      unitRef="usd">-19949000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI0LTMtMS0xLTA_d4fbdff6-2a8a-4d17-9f98-06141877d161"
      unitRef="usd">189078000</us-gaap:ProfitLoss>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="i4826d81a6ce9448eb31cb291a938febc_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI1LTEtMS0xLTI0NDU0_1b1a55c3-bb98-425e-9da9-82edf88b7c06"
      unitRef="usd">-16667000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="ifb8ba3904c7a4b0bbdc06463e3d33b61_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI1LTMtMS0xLTI0NDU0_fe5cba8b-7472-4d00-b109-da8a1b0dd27d"
      unitRef="usd">-13498000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI2LTEtMS0xLTA_2b46831e-43eb-4dc0-b709-849ee7b2f260"
      unitRef="usd">0</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI2LTMtMS0xLTA_64d8505e-eb75-47d8-afed-5ef8b3f99ffd"
      unitRef="usd">3274000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLoss
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI3LTEtMS0xLTA_3d797b89-550a-40c1-8d0b-56b2c18e01de"
      unitRef="usd">-36616000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI3LTMtMS0xLTA_921ad63f-283d-484f-a9e0-4d0e94f71273"
      unitRef="usd">178854000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="ieed7b86a38944afe8207a520a1844a6c_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI4LTEtMS0xLTA_3cd326bf-9f83-4bc3-957d-74f29714a197"
      unitRef="usd">-15998000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="id0cc5be7d9fb4dda9ae100a70f5bead2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI4LTMtMS0xLTA_eb901f56-1ba1-48fa-b6ef-f56c7a724f16"
      unitRef="usd">-26529000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <smlp:ContributedCapitalFromPreferredUnitsExchange
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI5LTEtMS0xLTA_3dad4547-d94d-47a0-bc0a-0f3970d20891"
      unitRef="usd">8326000</smlp:ContributedCapitalFromPreferredUnitsExchange>
    <smlp:ContributedCapitalFromPreferredUnitsExchange
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzI5LTMtMS0xLTA_7e90789b-2e33-4232-9fc3-7fe555139824"
      unitRef="usd">110669000</smlp:ContributedCapitalFromPreferredUnitsExchange>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzMyLTEtMS0xLTA_6a98af2c-4813-42d4-990c-8ea73e928a48"
      unitRef="usd">-44288000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzMyLTMtMS0xLTA_24ac562a-b6ca-4029-9d38-a64280398e5b"
      unitRef="usd">262994000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM1LTEtMS0xLTA_86b57ba0-e3a9-4950-b40f-8e0d3edf024d"
      unitRef="usdPerShare">-6.57</us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax>
    <us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM1LTMtMS0xLTA_e205e996-9bf4-4254-80de-a2da5bef8cf2"
      unitRef="usdPerShare">73.22</us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax>
    <us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM2LTEtMS0xLTA_7e9c7493-0e32-4732-a63e-6af209e09190"
      unitRef="usdPerShare">-6.57</us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted>
    <us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM2LTMtMS0xLTA_646f51c1-f505-46ba-9ddb-aacb7fb34b32"
      unitRef="usdPerShare">71.19</us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM5LTEtMS0xLTA_d14ef936-d120-44ac-b125-d66e7a5bc143"
      unitRef="shares">6741000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzM5LTMtMS0xLTA_98570b0e-606f-4337-a2f1-ca88295c07c3"
      unitRef="shares">3592000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzQwLTEtMS0xLTA_c3d603fb-ece0-46a4-9ced-5a62ec8ea0d9"
      unitRef="shares">6741000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMTUvZnJhZzo3OWRiNzgyYTFlYjE0NWY0YjM2MDk0M2YyY2VmZDhkOC90YWJsZTo2NjdjNjFiNjUzOWU0NWM3OWIwYzAzODcxNzEwNmJhNi90YWJsZXJhbmdlOjY2N2M2MWI2NTM5ZTQ1Yzc5YjBjMDM4NzE3MTA2YmE2XzQwLTMtMS0xLTA_0d76cedb-a237-4e39-b437-000c0e479348"
      unitRef="shares">3694000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i7ebf86e84154447ca12d223a3e196475_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtMS0xLTEtMA_a15838e3-5c9d-4748-b45c-32be5f2ead7a"
      unitRef="usd">293616000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i627918eb063948b88a35d0101d776100_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtMy0xLTEtMA_d6dbec51-53ec-4093-bccf-9d4f29a37011"
      unitRef="usd">186070000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i514ffdcf80c9455babf6208aa532382d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtNS0xLTEtMA_55a1cc14-184c-4469-9cfc-6d370cbe9f2e"
      unitRef="usd">0</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i4b692fdf28d24cb2a2d01911d815f7c2_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtNy0xLTEtMA_4fd39384-2742-4982-b62e-eeb3d330795d"
      unitRef="usd">305550000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i3669a3478d8a4a3a925cc3ad7b5cd91d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtOS0xLTEtMA_f6f5b4b8-428f-48ff-a49d-584937a2f2b8"
      unitRef="usd">785236000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i32fdbbad4e444e14b0b6f14fc4b0acaf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtMS0xLTEtMA_5a88bc7d-3c08-4aa3-ad14-51fb39c52f2c"
      unitRef="usd">11875000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtMy0xLTEtMA_114b9b1c-e056-45b5-a584-444ee5bec3fd"
      unitRef="usd">-3274000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i94cbb1aa07a6465ead257d20439a87c9_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtNS0xLTEtMA_a7ea048b-af68-41d8-a83b-7559488f9ace"
      unitRef="usd">14654000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtNy0xLTEtMA_eddb51b2-a7ab-4fdf-abe5-21395783191b"
      unitRef="usd">152325000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtOS0xLTEtMA_f84f147d-455c-4e94-8413-3683c9f70e50"
      unitRef="usd">175580000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtMy0xLTEtMA_9b63b2af-62e3-4640-b34b-bf4bfb7f01ba"
      unitRef="usd">4054000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtNy0xLTEtMA_dea98eee-47b3-4415-a479-5a51f674383f"
      unitRef="usd">4057000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtOS0xLTEtMA_db323d93-9a94-40cf-9845-cb05d5df223a"
      unitRef="usd">8111000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtMy0xLTEtMA_cadd7148-5e54-4caf-8de7-32026fc5a0f1"
      unitRef="usd">-1018000</smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation>
    <smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtNy0xLTEtMA_af829ddc-0b14-4333-bac0-5003bd3e60a7"
      unitRef="usd">438000</smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation>
    <smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtOS0xLTEtMA_a7bf24b3-bc63-42ee-8582-ca7b7becce3f"
      unitRef="usd">1456000</smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation>
    <smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzctNy0xLTEtMA_dc9c5256-f06c-44c3-9a7f-4656a540133f"
      unitRef="usd">237000</smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange>
    <smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzctOS0xLTEtMA_93b4bbfb-015a-4479-b0c7-1cd1e8b76a85"
      unitRef="usd">237000</smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange>
    <us-gaap:PartnersCapitalAccountDistributions
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzgtMy0xLTEtMA_d0c6f07d-297f-468b-a873-3d6edcefd212"
      unitRef="usd">6037000</us-gaap:PartnersCapitalAccountDistributions>
    <us-gaap:PartnersCapitalAccountDistributions
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzgtOS0xLTEtMA_4ed385da-3fce-4be6-af4f-e29e3fa5dffa"
      unitRef="usd">6037000</us-gaap:PartnersCapitalAccountDistributions>
    <us-gaap:PartnersCapitalAccountSaleOfUnits
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktMy0xLTEtMjEzNDg_5d553ef3-0ed2-4545-a351-ad5e5b77a1b0"
      unitRef="usd">2322000</us-gaap:PartnersCapitalAccountSaleOfUnits>
    <us-gaap:PartnersCapitalAccountSaleOfUnits
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktNy0xLTEtMjEzNDg_5346e433-9cad-47cf-a839-16118673ea51"
      unitRef="usd">-2322000</us-gaap:PartnersCapitalAccountSaleOfUnits>
    <us-gaap:PartnersCapitalAccountSaleOfUnits
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktOS0xLTEtMjEzNTU_33fa536f-f200-4775-8691-14fbd65f08b5"
      unitRef="usd">0</us-gaap:PartnersCapitalAccountSaleOfUnits>
    <smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest
      contextRef="i32fdbbad4e444e14b0b6f14fc4b0acaf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTEtMS0xLTIxMzQ4_e03fcc82-6c86-44b3-b005-a79f65e3efc3"
      unitRef="usd">-305491000</smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest>
    <smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest
      contextRef="ia578c4e3eecc46d6b133287087977ff4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTMtMS0xLTIxMzQ4_a4823369-1c22-43d6-8cce-d780524fe688"
      unitRef="usd">-182117000</smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest>
    <smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest
      contextRef="i94cbb1aa07a6465ead257d20439a87c9_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTUtMS0xLTIxMzQ4_a54c2b28-51dd-4eb0-a4e5-3de4ff8beb13"
      unitRef="usd">305491000</smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest>
    <smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTctMS0xLTIxMzQ4_fa5552b8-f12e-4e6f-8b3e-af7a52cb7e91"
      unitRef="usd">182117000</smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest>
    <smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTktMS0xLTIxMzU1_34593579-e185-4dc8-8cbc-a0153701cbf6"
      unitRef="usd">0</smlp:PartnersCapitalAccountIncreaseFromAssumptionOfNoncontrollingInterest>
    <smlp:PartnersCapitalAccountDecreaseFromRepurchaseOfCommonUnits
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzExLTctMS0xLTIxMzQ4_e571b3d8-9091-40fc-8970-3f44043e22b2"
      unitRef="usd">44078000</smlp:PartnersCapitalAccountDecreaseFromRepurchaseOfCommonUnits>
    <smlp:PartnersCapitalAccountDecreaseFromRepurchaseOfCommonUnits
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzExLTktMS0xLTIxMzU1_a3c73dc8-05f5-4d71-bec0-62ccc4f54756"
      unitRef="usd">44078000</smlp:PartnersCapitalAccountDecreaseFromRepurchaseOfCommonUnits>
    <smlp:PartnersCapitalAccountIssuanceOfCommonUnitDueToRestructuring
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktNy0xLTEtMA_19361c83-847e-4ce4-bded-649fee49401c"
      unitRef="usd">30521000</smlp:PartnersCapitalAccountIssuanceOfCommonUnitDueToRestructuring>
    <smlp:PartnersCapitalAccountIssuanceOfCommonUnitDueToRestructuring
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktOS0xLTEtMA_8636d72c-c863-4f31-aa40-aceb16792f52"
      unitRef="usd">30521000</smlp:PartnersCapitalAccountIssuanceOfCommonUnitDueToRestructuring>
    <smlp:PartnersCapitalDeemedContributionToCommonUnitholders
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEzLTAtMS0xLTI1NTg0L3RleHRyZWdpb246Y2RmNDE0Nzk5NzhiNDljYTg1YTViNTFhODk1NTlhYmFfODI0NjMzNzIwODYzNA_3ef8311d-8948-4dd3-83f8-8cd4771c611a"
      unitRef="usd">110700000</smlp:PartnersCapitalDeemedContributionToCommonUnitholders>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="i94cbb1aa07a6465ead257d20439a87c9_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTUtMS0xLTA_41805b29-4bb6-492c-a863-12db3541875a"
      unitRef="usd">-145720000</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTctMS0xLTA_3fd5234d-141a-47ac-af0d-e4955664ebb6"
      unitRef="usd">120720000</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTktMS0xLTA_8b0e83e7-5fbb-42ba-96ac-b1252f22b2a7"
      unitRef="usd">-25000000</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalOther
      contextRef="i0336d0027ea34ff5907ae053b77e8285_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzExLTctMS0xLTA_3bc12f47-ab60-4cef-81a1-813c4640f018"
      unitRef="usd">251000</us-gaap:PartnersCapitalOther>
    <us-gaap:PartnersCapitalOther
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzExLTktMS0xLTA_6147dd5a-bee6-4028-85f5-e9e4002261da"
      unitRef="usd">251000</us-gaap:PartnersCapitalOther>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="ifd88db2b41ef4caeb8aa1183ec900ebd_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTEtMS0xLTA_882b2f93-543e-4b02-81d4-6812ab9988e1"
      unitRef="usd">0</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="id0375574eb2148a2851046558b0ff7e5_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTMtMS0xLTA_c28b17cf-5841-4000-8017-c2a83cffce5b"
      unitRef="usd">0</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i438571b277b74498a2213e24afdb50c2_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTUtMS0xLTA_619ac542-3055-46bd-ad2e-bdef725d68f7"
      unitRef="usd">174425000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i15920f6255344796a7b8ae21860defaf_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTctMS0xLTA_dabca813-26eb-4d46-8d62-2ce09ae60c9f"
      unitRef="usd">748466000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTktMS0xLTA_90854700-823b-4ea3-a0e4-18c5cfcc4a8f"
      unitRef="usd">922891000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="iab99e7161986486ba45182a99af164e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEzLTUtMS0xLTA_c5f2ff4b-5846-4b52-b808-fefd724b99b5"
      unitRef="usd">15998000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEzLTctMS0xLTA_1c3c4057-9101-4d5b-8f3f-7c741a59cf38"
      unitRef="usd">-52614000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <smlp:ProfitLossExcludingSubsidiaryIncome
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEzLTktMS0xLTA_9edfb5ea-34b2-49e6-841e-f7398c1e24b7"
      unitRef="usd">-36616000</smlp:ProfitLossExcludingSubsidiaryIncome>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE0LTctMS0xLTA_4c9f8284-6e94-4fb0-b764-d883f24e7963"
      unitRef="usd">4744000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE0LTktMS0xLTA_2a184be7-5cca-4908-aee8-d96c741b88cd"
      unitRef="usd">4744000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE1LTctMS0xLTA_0bd2a985-357f-4728-9ab0-a47780117816"
      unitRef="usd">1733000</smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation>
    <smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE1LTktMS0xLTA_4814c297-12f3-4a8a-8298-4ca4af802ab5"
      unitRef="usd">1733000</smlp:PartnersCapitalAccountTaxWithholdingForUnitBasedCompensation>
    <smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE2LTctMS0xLTA_24b83ab2-34bb-494d-912b-6fa0368704a8"
      unitRef="usd">465000</smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange>
    <smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzE2LTktMS0xLTA_b0107f5d-c84a-41f5-8fb8-53fbb89f8afc"
      unitRef="usd">465000</smlp:PartnersCapitalDecreaseFromTaxWithholdingFromPreferredStockExchange>
    <smlp:PartnersCapitalDeemedContributionToCommonUnitholders
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIwLTAtMS0xLTM5OTAwL3RleHRyZWdpb246YTNlYjdkMmUwOTEzNDYwZTgwNGNkYzlhZjIxMmJiZTBfODI0NjMzNzIwODQ0OA_bb5664c6-d250-4dae-9284-3f08712b96d0"
      unitRef="usd">8300000</smlp:PartnersCapitalDeemedContributionToCommonUnitholders>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="iab99e7161986486ba45182a99af164e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIyLTUtMS0xLTA_ad1c9bcb-f56e-4df3-9bef-f1383fc5d3c6"
      unitRef="usd">-20654000</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIyLTctMS0xLTA_e32a5a77-7556-4387-84ca-8a6179b6907b"
      unitRef="usd">20654000</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalAccountExchangesAndConversions
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIyLTktMS0xLTA_cb525f19-b076-4540-aae6-a41548fc04c5"
      unitRef="usd">0</us-gaap:PartnersCapitalAccountExchangesAndConversions>
    <us-gaap:PartnersCapitalAccountOptionExercise
      contextRef="i9c239e804db84878b7bc2df9b367c105_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIzLTctMS0xLTA_e9f33d8e-6433-4737-88a5-c47d937ad2ad"
      unitRef="usd">15542000</us-gaap:PartnersCapitalAccountOptionExercise>
    <us-gaap:PartnersCapitalAccountOptionExercise
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzIzLTktMS0xLTA_73a0e6d7-da65-459f-9d9d-34449eeb217d"
      unitRef="usd">15542000</us-gaap:PartnersCapitalAccountOptionExercise>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i0131ee5f1cd84a8788ea091b532305ae_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTEtMS0xLTA_243c79e1-ae09-45f9-9da8-f2d6cb417762"
      unitRef="usd">0</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i94bafe68be3c40b7b8e7a7302cd0651d_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTMtMS0xLTA_1905ff75-9a58-4c59-a91d-5d21fe8286aa"
      unitRef="usd">0</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="ideccfb8460ca41029ff636c28bbbdf89_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTUtMS0xLTA_c2d47b25-0d7f-440a-ab88-32807a541dd4"
      unitRef="usd">169769000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="idbd7b806cc99444d9692c14ed2e2967e_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTctMS0xLTA_437b154f-4eeb-4be7-9e4d-0bea62781617"
      unitRef="usd">734594000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTktMS0xLTA_f809adea-961c-4bcb-9a5a-8349ec6d52a0"
      unitRef="usd">904363000</us-gaap:PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest>
    <us-gaap:ProfitLoss
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQtMS0xLTEtMA_a27b3b9a-06a8-4171-b232-477917b14b56"
      unitRef="usd">-19949000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQtMy0xLTEtMA_059cac4e-bb46-4fda-8dad-d5f7ce58db6d"
      unitRef="usd">189078000</us-gaap:ProfitLoss>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzYtMS0xLTEtMA_84a38fdc-0e27-4d48-82cb-67aa36e3a986"
      unitRef="usd">119995000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzYtMy0xLTEtMA_c4393eac-1a82-46c6-b999-d040fac34324"
      unitRef="usd">119070000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:NonCashLeaseExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzctMS0xLTEtMA_cb917bdc-6791-4403-8fb4-926f18df476c"
      unitRef="usd">1104000</smlp:NonCashLeaseExpense>
    <smlp:NonCashLeaseExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzctMy0xLTEtMA_ec3b9196-6ce9-4ee4-9d23-fb0d1a071e8f"
      unitRef="usd">3242000</smlp:NonCashLeaseExpense>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzgtMS0xLTEtMA_ca66f586-17ba-4a4b-abe7-f02bdfe6399e"
      unitRef="usd">7017000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzgtMy0xLTEtMA_3fd41d13-d25d-484c-aee3-72a5d5f8ab0e"
      unitRef="usd">6608000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:ShareBasedCompensation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzktMS0xLTEtMA_de5ba875-07a0-48a6-af6b-3456098c8c79"
      unitRef="usd">4744000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzktMy0xLTEtMA_90658833-39e3-4930-bec3-2ee17112697b"
      unitRef="usd">8111000</us-gaap:ShareBasedCompensation>
    <us-gaap:IncomeLossFromEquityMethodInvestments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEwLTEtMS0xLTA_424ac156-9d08-4fec-8a5f-aaf96fe0fb55"
      unitRef="usd">7880000</us-gaap:IncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromEquityMethodInvestments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEwLTMtMS0xLTA_ae9f6e8a-adeb-4921-9d3b-d02dbefc38cb"
      unitRef="usd">11271000</us-gaap:IncomeLossFromEquityMethodInvestments>
    <us-gaap:EquityMethodInvestmentDividendsOrDistributions
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzExLTEtMS0xLTA_6254e765-4b51-4a16-8a6a-8f53da062e83"
      unitRef="usd">26760000</us-gaap:EquityMethodInvestmentDividendsOrDistributions>
    <us-gaap:EquityMethodInvestmentDividendsOrDistributions
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzExLTMtMS0xLTA_8c5ebd9b-90f0-4141-9367-85c728fc9bab"
      unitRef="usd">28185000</us-gaap:EquityMethodInvestmentDividendsOrDistributions>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEyLTEtMS0xLTA_0a134cdc-dd18-49e6-9a79-33a3bd9fb475"
      unitRef="usd">369000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEyLTMtMS0xLTA_a1588486-65cb-414c-bf39-4667ade0cc23"
      unitRef="usd">307000</us-gaap:GainLossOnDispositionOfAssets1>
    <smlp:NonCashPortionOfGainOnEarlyExtinguishmentOfDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEzLTEtMS0xLTA_8c01e431-add1-4285-a8d8-dcce83c3a43a"
      unitRef="usd">-3245000</smlp:NonCashPortionOfGainOnEarlyExtinguishmentOfDebt>
    <smlp:NonCashPortionOfGainOnEarlyExtinguishmentOfDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzEzLTMtMS0xLTA_d6fce26b-f6b1-4313-8401-f4e3d8f752cd"
      unitRef="usd">206975000</smlp:NonCashPortionOfGainOnEarlyExtinguishmentOfDebt>
    <us-gaap:FairValueAdjustmentOfWarrants
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE0LTEtMS0xLTA_77e32fdb-3385-4d38-a4d0-d035823bc3fd"
      unitRef="usd">13635000</us-gaap:FairValueAdjustmentOfWarrants>
    <us-gaap:FairValueAdjustmentOfWarrants
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE0LTMtMS0xLTA_d8d974f8-1373-4712-8fdc-126680078419"
      unitRef="usd">-393000</us-gaap:FairValueAdjustmentOfWarrants>
    <smlp:SettlementOfInterestRateDerivatives
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE1LTEtMS0xLTA_35d9f894-83e0-4579-b076-c4a9b2374d0a"
      unitRef="usd">779000</smlp:SettlementOfInterestRateDerivatives>
    <smlp:SettlementOfInterestRateDerivatives
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE1LTMtMS0xLTA_a4360339-0e01-4af9-9c98-a4ea7de53e3e"
      unitRef="usd">134000</smlp:SettlementOfInterestRateDerivatives>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE2LTEtMS0xLTA_a66aff1d-cb57-4881-829e-bcb08a7385c0"
      unitRef="usd">10151000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE2LTMtMS0xLTA_637d5841-5f66-4849-9a84-dfdb76b31ee9"
      unitRef="usd">13089000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <us-gaap:IncreaseDecreaseInAccountsReceivable
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE5LTEtMS0xLTA_1c7aae63-14cc-4e7f-addf-ae1d60177300"
      unitRef="usd">178000</us-gaap:IncreaseDecreaseInAccountsReceivable>
    <us-gaap:IncreaseDecreaseInAccountsReceivable
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzE5LTMtMS0xLTA_f910d543-b37b-4a15-a35f-5a79b5e46337"
      unitRef="usd">-35352000</us-gaap:IncreaseDecreaseInAccountsReceivable>
    <us-gaap:IncreaseDecreaseInAccountsPayableTrade
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIwLTEtMS0xLTA_d10c14b5-82ab-4ed0-b3d3-4fbac113a0bd"
      unitRef="usd">-89000</us-gaap:IncreaseDecreaseInAccountsPayableTrade>
    <us-gaap:IncreaseDecreaseInAccountsPayableTrade
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIwLTMtMS0xLTA_826f0e5a-6739-4cf1-b809-505d3e002f86"
      unitRef="usd">-4063000</us-gaap:IncreaseDecreaseInAccountsPayableTrade>
    <us-gaap:IncreaseDecreaseInAccruedLiabilities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIxLTEtMS0xLTA_fd69e8cc-bc20-47db-a9b9-61a2e9574bcb"
      unitRef="usd">1422000</us-gaap:IncreaseDecreaseInAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInAccruedLiabilities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIxLTMtMS0xLTA_5c99457b-7b7f-41b9-b813-044d6dc3f346"
      unitRef="usd">2841000</us-gaap:IncreaseDecreaseInAccruedLiabilities>
    <us-gaap:IncreaseDecreaseInContractWithCustomerLiability
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIyLTEtMS0xLTA_038394e5-1e87-4018-9cff-9fcad841ec1a"
      unitRef="usd">-5295000</us-gaap:IncreaseDecreaseInContractWithCustomerLiability>
    <us-gaap:IncreaseDecreaseInContractWithCustomerLiability
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIyLTMtMS0xLTA_6a71b996-c354-4863-a249-46f7b48d7745"
      unitRef="usd">6036000</us-gaap:IncreaseDecreaseInContractWithCustomerLiability>
    <us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIzLTEtMS0xLTA_8eab1ca3-6db7-4dcd-b612-893426cfcbc2"
      unitRef="usd">-516000</us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable>
    <us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzIzLTMtMS0xLTA_688529ed-cbd1-46d9-98a9-68b6d003115a"
      unitRef="usd">609000</us-gaap:IncreaseDecreaseInPropertyAndOtherTaxesPayable>
    <us-gaap:IncreaseDecreaseInInterestPayableNet
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI0LTEtMS0xLTA_aca69f54-d652-429f-bcc5-482a55b32682"
      unitRef="usd">4730000</us-gaap:IncreaseDecreaseInInterestPayableNet>
    <us-gaap:IncreaseDecreaseInInterestPayableNet
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI0LTMtMS0xLTA_d086340a-930f-48fc-8cc1-e8be8f78428e"
      unitRef="usd">-3343000</us-gaap:IncreaseDecreaseInInterestPayableNet>
    <us-gaap:IncreaseDecreaseInRegulatoryLiabilities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI1LTEtMS0xLTA_028e736f-452f-4067-bd36-ce77d7947af0"
      unitRef="usd">2676000</us-gaap:IncreaseDecreaseInRegulatoryLiabilities>
    <us-gaap:IncreaseDecreaseInRegulatoryLiabilities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI1LTMtMS0xLTA_12e9001e-399f-46b4-b53f-e4fe93affab1"
      unitRef="usd">-1996000</us-gaap:IncreaseDecreaseInRegulatoryLiabilities>
    <us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI2LTEtMS0xLTA_dd99228a-43de-4a18-83e8-27f68208421d"
      unitRef="usd">-3117000</us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet>
    <us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI2LTMtMS0xLTA_fa2cfec4-c8be-4733-9c7f-e2c1b7ce9260"
      unitRef="usd">-14582000</us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI3LTEtMS0xLTA_8b14a8be-f2c2-4ba2-90a2-4e5015f937b9"
      unitRef="usd">165099000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:NetCashProvidedByUsedInOperatingActivities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI3LTMtMS0xLTA_172ca1f3-32c9-4525-a0fa-848511731aa5"
      unitRef="usd">198589000</us-gaap:NetCashProvidedByUsedInOperatingActivities>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI5LTEtMS0xLTA_99e5562d-a312-4b34-ac83-e135595e1e93"
      unitRef="usd">25030000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:PaymentsToAcquirePropertyPlantAndEquipment
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzI5LTMtMS0xLTA_17efd35f-035a-4a10-9a0a-9ce7854e828b"
      unitRef="usd">43128000</us-gaap:PaymentsToAcquirePropertyPlantAndEquipment>
    <us-gaap:ProceedsFromSaleOfProductiveAssets
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMwLTEtMS0xLTA_df14ce39-6887-4beb-b0dc-0d0697e01b3b"
      unitRef="usd">8000000</us-gaap:ProceedsFromSaleOfProductiveAssets>
    <us-gaap:ProceedsFromSaleOfProductiveAssets
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMwLTMtMS0xLTA_17523097-262f-41b2-b5fd-d536cf349763"
      unitRef="usd">0</us-gaap:ProceedsFromSaleOfProductiveAssets>
    <us-gaap:PaymentsToAcquireEquityMethodInvestments
      contextRef="i1fe9e6f4242d43c7a32be4d079da4995_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMyLTEtMS0xLTA_45bc7aa7-4173-465a-aafd-0b08abccf92a"
      unitRef="usd">148699000</us-gaap:PaymentsToAcquireEquityMethodInvestments>
    <us-gaap:PaymentsToAcquireEquityMethodInvestments
      contextRef="ife839f0c01864bb08e9cf888d45b7acb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMyLTMtMS0xLTA_76b5624f-c247-4d27-8297-3b2599ad6664"
      unitRef="usd">99927000</us-gaap:PaymentsToAcquireEquityMethodInvestments>
    <us-gaap:PaymentsForProceedsFromOtherInvestingActivities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMzLTEtMS0xLTA_10c260af-7157-4e50-b77f-2de095d884bb"
      unitRef="usd">0</us-gaap:PaymentsForProceedsFromOtherInvestingActivities>
    <us-gaap:PaymentsForProceedsFromOtherInvestingActivities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzMzLTMtMS0xLTA_27d33ee7-facd-449c-a448-7860f62a36c8"
      unitRef="usd">-2486000</us-gaap:PaymentsForProceedsFromOtherInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM0LTEtMS0xLTA_a1eabaf9-609f-4e39-a13d-3e333fbcbcb2"
      unitRef="usd">-165729000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:NetCashProvidedByUsedInInvestingActivities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM0LTMtMS0xLTA_2d0a1009-572f-4883-b13e-85991c6e65f5"
      unitRef="usd">-140569000</us-gaap:NetCashProvidedByUsedInInvestingActivities>
    <us-gaap:ProceedsFromIssuanceOfSecuredDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM1LTEtMS0xLTM0OTY5_d1638782-444c-46b9-aebb-5ce4018d377a"
      unitRef="usd">689500000</us-gaap:ProceedsFromIssuanceOfSecuredDebt>
    <us-gaap:RepaymentsOfSeniorDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM2LTEtMS0xLTM0OTg1_1a906be6-3638-4847-b844-04c655713999"
      unitRef="usd">234047000</us-gaap:RepaymentsOfSeniorDebt>
    <us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM3LTEtMS0xLTM0OTk3_8c881dc3-ceda-4d5c-8e0f-be6c5640e800"
      unitRef="usd">160000000</us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt>
    <us-gaap:ProceedsFromLongTermLinesOfCredit
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM4LTEtMS0xLTM1MDE3_eb3a9c1d-1f36-44b1-b704-699d323d8e0f"
      unitRef="usd">300000000</us-gaap:ProceedsFromLongTermLinesOfCredit>
    <us-gaap:RepaymentsOfOtherDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM4LTEtMS0xLTQxMTUx_46f0345c-ec85-4e97-ae31-83be7820f431"
      unitRef="usd">33000000</us-gaap:RepaymentsOfOtherDebt>
    <us-gaap:PaymentsToMinorityShareholders
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM2LTMtMS0xLTA_09e45708-d7d1-437e-8c3c-88d0dbf11569"
      unitRef="usd">6037000</us-gaap:PaymentsToMinorityShareholders>
    <us-gaap:ProceedsFromLongTermLinesOfCredit
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzM5LTMtMS0xLTA_0ecd5f6f-8b4c-4412-b493-2e56151d6245"
      unitRef="usd">249300000</us-gaap:ProceedsFromLongTermLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQwLTEtMS0xLTA_9b071c69-c929-4d7f-bf42-d68f8fea5a51"
      unitRef="usd">857000000</us-gaap:RepaymentsOfLinesOfCredit>
    <us-gaap:RepaymentsOfLinesOfCredit
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQwLTMtMS0xLTA_c40cf900-c213-4a6d-b81d-79ab7c47ac14"
      unitRef="usd">69300000</us-gaap:RepaymentsOfLinesOfCredit>
    <smlp:TransactionCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQxLTEtMS0xLTA_c5d1ef85-febb-4a92-a778-f381dec93e88"
      unitRef="usd">0</smlp:TransactionCosts>
    <smlp:TransactionCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQxLTMtMS0xLTA_2c35a5d0-5917-4d70-834c-c67fc2be81c8"
      unitRef="usd">4221000</smlp:TransactionCosts>
    <us-gaap:RepaymentsOfRelatedPartyDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQyLTEtMS0xLTA_3fba03bb-4907-4502-adae-74535261f247"
      unitRef="usd">0</us-gaap:RepaymentsOfRelatedPartyDebt>
    <us-gaap:RepaymentsOfRelatedPartyDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQyLTMtMS0xLTA_ed66ac16-7d59-4e86-8123-b94a37948be8"
      unitRef="usd">6300000</us-gaap:RepaymentsOfRelatedPartyDebt>
    <smlp:PaymentsForDebtInstrumentRepurchase
      contextRef="idced2755e39e4f05b924c22dfb424b73_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQzLTEtMS0xLTA_c67c9334-a4bd-4988-90a0-866361edf299"
      unitRef="usd">0</smlp:PaymentsForDebtInstrumentRepurchase>
    <smlp:PaymentsForDebtInstrumentRepurchase
      contextRef="i7bfa2c30fde44d1ba1db300cd0cf66b6_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQzLTMtMS0xLTA_6bddabef-8266-4de3-b893-5d48083c6d4c"
      unitRef="usd">145567000</smlp:PaymentsForDebtInstrumentRepurchase>
    <smlp:PaymentsForDebtInstrumentRepurchase
      contextRef="i790017b0fc4a4c69bb82bb304e6ac01c_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ0LTEtMS0xLTA_d1dab73a-54fc-4d2a-a146-4213d2d9693b"
      unitRef="usd">0</smlp:PaymentsForDebtInstrumentRepurchase>
    <smlp:PaymentsForDebtInstrumentRepurchase
      contextRef="i94bbcb4a8d88495abf1c1b06d01ee2dd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ0LTMtMS0xLTA_8e7bbe9b-4278-482e-a0c2-9c414cf90403"
      unitRef="usd">47530000</smlp:PaymentsForDebtInstrumentRepurchase>
    <us-gaap:PaymentsOfDebtRestructuringCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ1LTEtMS0xLTA_9dbd0779-4d0c-4e8d-ad70-1eee060d6df8"
      unitRef="usd">0</us-gaap:PaymentsOfDebtRestructuringCosts>
    <us-gaap:PaymentsOfDebtRestructuringCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ1LTMtMS0xLTA_4281a9d6-be44-4070-a16a-3b9b9ced5a89"
      unitRef="usd">26500000</us-gaap:PaymentsOfDebtRestructuringCosts>
    <us-gaap:ProceedsFromIssuanceOfPreferredLimitedPartnersUnits
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ2LTEtMS0xLTA_10ae7a9e-5059-4c07-8a51-59fba01b7ee9"
      unitRef="usd">0</us-gaap:ProceedsFromIssuanceOfPreferredLimitedPartnersUnits>
    <us-gaap:ProceedsFromIssuanceOfPreferredLimitedPartnersUnits
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ2LTMtMS0xLTA_d593cc9a-d4ec-46b6-86f2-01d525b261f5"
      unitRef="usd">48710000</us-gaap:ProceedsFromIssuanceOfPreferredLimitedPartnersUnits>
    <smlp:PaymentForPreferredStockTender
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ3LTEtMS0xLTA_e7005a06-3e74-4965-afcc-e62b7f1327f0"
      unitRef="usd">0</smlp:PaymentForPreferredStockTender>
    <smlp:PaymentForPreferredStockTender
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ3LTMtMS0xLTA_ad6238cd-20a5-4eca-885a-bd7baaf3726c"
      unitRef="usd">25000000</smlp:PaymentForPreferredStockTender>
    <us-gaap:ProceedsFromIssuanceOfDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ4LTEtMS0xLTA_b3c0ed52-6fa3-4f5a-a295-30b54e09c8b6"
      unitRef="usd">0</us-gaap:ProceedsFromIssuanceOfDebt>
    <us-gaap:ProceedsFromIssuanceOfDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ4LTMtMS0xLTA_8d8ec763-893a-4833-a65b-f158d8a4e739"
      unitRef="usd">35000000</us-gaap:ProceedsFromIssuanceOfDebt>
    <us-gaap:RepaymentsOfCommercialPaper
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ5LTEtMS0xLTA_93ce1e9a-9c29-4e1b-b516-e1dfbc2bc080"
      unitRef="usd">0</us-gaap:RepaymentsOfCommercialPaper>
    <us-gaap:RepaymentsOfCommercialPaper
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzQ5LTMtMS0xLTA_308d57af-844a-473e-919a-fbfad1392d1f"
      unitRef="usd">35000000</us-gaap:RepaymentsOfCommercialPaper>
    <us-gaap:PaymentsForRepurchaseOfCommonStock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUwLTEtMS0xLTA_65cfbd16-7d16-40ce-88b5-2e1992c5cd52"
      unitRef="usd">0</us-gaap:PaymentsForRepurchaseOfCommonStock>
    <us-gaap:PaymentsForRepurchaseOfCommonStock
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUwLTMtMS0xLTA_d83f98f3-1d30-49ec-aebf-16abfcd01363"
      unitRef="usd">41778000</us-gaap:PaymentsForRepurchaseOfCommonStock>
    <us-gaap:PaymentsOfFinancingCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUxLTEtMS0xLTA_9037a039-ea24-4bcb-934e-9fc2a5f6d122"
      unitRef="usd">20228000</us-gaap:PaymentsOfFinancingCosts>
    <us-gaap:PaymentsOfFinancingCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUxLTMtMS0xLTA_19679238-0513-42c3-b637-93866bdab9f4"
      unitRef="usd">2558000</us-gaap:PaymentsOfFinancingCosts>
    <smlp:ProceedsFromSaleOfAssets
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUyLTEtMS0xLTA_8635658f-987d-47cc-b23d-411197c3662b"
      unitRef="usd">357000</smlp:ProceedsFromSaleOfAssets>
    <smlp:ProceedsFromSaleOfAssets
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUyLTMtMS0xLTA_9475eebe-4541-4f35-af10-c4f3dec4676e"
      unitRef="usd">288000</smlp:ProceedsFromSaleOfAssets>
    <us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUzLTEtMS0xLTA_524e9fc2-415c-44d0-bc0b-fbdbf7e797f2"
      unitRef="usd">-924000</us-gaap:ProceedsFromPaymentsForOtherFinancingActivities>
    <us-gaap:ProceedsFromPaymentsForOtherFinancingActivities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzUzLTMtMS0xLTA_61306f1d-9f6f-462c-bc2c-ff8136eb5aca"
      unitRef="usd">-2905000</us-gaap:ProceedsFromPaymentsForOtherFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU0LTEtMS0xLTA_182ea4aa-05e2-4aa1-875b-d9f006007976"
      unitRef="usd">4658000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:NetCashProvidedByUsedInFinancingActivities
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU0LTMtMS0xLTA_9fb0626f-a6a3-455f-b1da-35245b9e52bc"
      unitRef="usd">-79398000</us-gaap:NetCashProvidedByUsedInFinancingActivities>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU1LTEtMS0xLTA_c52cb8ad-48f7-46b8-9cf9-296a54beadf6"
      unitRef="usd">4028000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU1LTMtMS0xLTA_80e896d9-7883-4fbc-b4c2-70b2fd5a367a"
      unitRef="usd">-21378000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU2LTEtMS0xLTA_88b7b955-79ef-4aa2-8d6b-0418d696d8d3"
      unitRef="usd">15544000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="i3669a3478d8a4a3a925cc3ad7b5cd91d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU2LTMtMS0xLTA_e1efc626-616f-4147-9349-1ae9c2fe1108"
      unitRef="usd">36922000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU3LTEtMS0xLTA_92b9495a-7a77-4582-b345-731fca002024"
      unitRef="usd">19572000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjcvZnJhZzo5NmNkM2M1YTlhN2I0NGM4YWU5NmMyNzk1MzMzY2Y1OC90YWJsZToxYmFkZTY1YTM3NWU0MTk5OTllYTJhMzNjNThjNjdmOC90YWJsZXJhbmdlOjFiYWRlNjVhMzc1ZTQxOTk5OWVhMmEzM2M1OGM2N2Y4XzU3LTMtMS0xLTA_b1ab1830-68a6-4d93-b585-98c3222bd243"
      unitRef="usd">15544000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzY1MDM_b07f3418-4ef0-46a0-8c24-fde471fcfc45">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;1. ORGANIZATION, BUSINESS OPERATIONS AND PRESENTATION AND CONSOLIDATION&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Organization.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Summit Midstream Partners, LP (including its subsidiaries, collectively &#x201c;SMLP&#x201d; or the &#x201c;Partnership&#x201d;) is a Delaware limited partnership that was formed in May 2012 and began operations in October 2012. SMLP is a value-oriented limited partnership focused on developing, owning and operating midstream energy infrastructure assets that are strategically located in unconventional resource basins, primarily shale formations, in the continental United States. The Partnership&#x2019;s business activities are primarily conducted through various operating subsidiaries, each of which is owned or controlled by its wholly owned subsidiary holding company, Summit Holdings, a Delaware limited liability company. As of December&#160;31, 2021, the Partnership indirectly owns its General Partner, and the General Partner is a wholly owned, indirect subsidiary of the Partnership. The General Partner has no assets or liabilities and holds the non-economic general partner interest in the Partnership.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;GP Buy-In Transaction.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;On&#160;May 28, 2020, the Partnership closed the transactions contemplated by the Purchase Agreement (the &#x201c;Purchase Agreement&#x201d;), dated May 3, 2020, with affiliates of its then private equity sponsor, Energy Capital Partners II, LLC (&#x201c;ECP&#x201d;), to acquire Summit Investments. The acquisition of Summit Investments resulted in the Partnership acquiring (a)&#160;2.3 million SMLP common units that were pledged as collateral under the SMPH Term Loan, (b)&#160;0.7 million SMLP common units that were not pledged as collateral under the SMPH Term Loan and (c) a deferred purchase price obligation receivable owed by the Partnership. In addition, the Partnership acquired&#160;0.4 million SMLP common units held by an affiliate of ECP. The total purchase price was $35.0 million in cash and warrants giving ECP the right to purchase up to&#160;0.7 million SMLP common units (refer to Note 12 &#x2013; Partners&#x2019; Capital and Mezzanine Capital for additional details). Pursuant to the Purchase Agreement, the Partnership retained any liabilities stemming from the release of produced water from a produced water pipeline operated by Meadowlark Midstream, a subsidiary of the Partnership, that occurred near Williston, North Dakota and was discovered on January 6, 2015. These transactions are collectively referred to as the &#x201c;GP Buy-In Transaction.&#x201d;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As a result of the GP Buy-In Transaction, the Partnership indirectly owns its General Partner. Following the closing of the GP Buy-In Transaction, the Partnership retired&#160;1.1 million SMLP common units it acquired that were not pledged as collateral under the SMPH Term Loan. The 2.3 million SMLP common units that were pledged as collateral under the SMPH Term Loan were not considered outstanding with respect to voting and distributions under the Partnership Agreement until the closing of the TL Restructuring on November 17, 2020 (refer to Note 9 -Liability Management Transactions).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Under GAAP, the GP Buy-In Transaction was deemed a transaction among entities under common control with a change in reporting entity. Although SMLP is the surviving entity for legal purposes, Summit Investments is the surviving entity for accounting purposes; therefore, the historical financial results included herein, prior to the GP Buy-In Transaction are those of Summit Investments. Prior to the GP Buy-In Transaction, Summit Investments controlled SMLP and SMLP&#x2019;s financial statements were consolidated into Summit Investments.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Reverse Unit Split.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;On November&#160;9, 2020, after the close of trading on the NYSE, the Partnership effected a&#160;1-for-15&#160;reverse unit split (the &#x201c;Reverse Unit Split&#x201d;) of its common units. The common units began trading on a split-adjusted basis on November&#160;10, 2020. Pursuant to the Reverse Unit Split, common unitholders received one common unit for every 15 common units owned at the close of business on November&#160;9, 2020. Immediately prior to the Reverse Unit Split, there were&#160;56,624,887&#160;common units issued and outstanding and immediately after the Reverse Unit Split, the number of issued and outstanding common units decreased to&#160;3,774,992.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Business Operations.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership provides natural gas gathering, compression, treating and processing services as well as crude oil and produced water gathering services pursuant to primarily long-term, fee-based agreements with its customers. The Partnership&#x2019;s results are primarily driven by the volumes of natural gas that it gathers, compresses, treats and/or processes as well as by the volumes of crude oil and produced water that it gathers. Other than the Partnership&#x2019;s investments in Double E and Ohio Gathering, all of its business activities are conducted through wholly owned operating subsidiaries.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Presentation and Consolidation.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership prepares its consolidated financial statements in accordance with GAAP as established by the FASB. The Partnership makes estimates and assumptions that affect the reported amounts of assets and liabilities at the balance sheet dates, including fair value measurements, the reported amounts of revenues and expenses and the disclosure of commitments and contingencies. Although management believes these estimates are reasonable, actual results could differ from its estimates.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The consolidated financial statements include the assets, liabilities and results of operations of SMLP and its subsidiaries. All intercompany transactions among the consolidated entities have been eliminated in consolidation. Comprehensive income or loss is the same as net income or loss for all periods presented.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Risks and Uncertainties.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership continues to closely monitor the impact of the COVID-19 pandemic on all aspects of its business, including how it has impacted and will impact its customers, employees, supply chain and distribution network. The Partnership is unable to predict the ultimate impact that COVID-19 may have on its business, future results of operations, financial position or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Given the dynamic nature of the COVID-19 pandemic and related market conditions, the Partnership cannot reasonably estimate the period of time that these events will persist or the full extent of the impact they will have on its business. The full extent to which the Partnership&#x2019;s operations may be impacted by the COVID-19 pandemic will depend largely on future developments, which are highly uncertain and cannot be accurately predicted, including changes in the severity of the pandemic, countermeasures taken by governments, businesses and individuals to slow the spread of the pandemic, and the development and availability of treatments and vaccines and the extent to which these treatments and vaccines may remain effective as potential new strains of the coronavirus emerge. Furthermore, the impacts of a potential worsening of global economic conditions and the continued disruptions to and volatility in the financial markets remain unknown.&lt;/span&gt;&lt;/div&gt;</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock>
    <smlp:CommonUnitsPledgedAsCollateral
      contextRef="i74cf80d6873b4ebfa9ce874b26fc9cdd_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzE0MDc_6785d374-e55c-4e74-a55f-6676c0244bb2"
      unitRef="shares">2300000</smlp:CommonUnitsPledgedAsCollateral>
    <smlp:CommonUnitsNotPledgedAsCollateral
      contextRef="i74cf80d6873b4ebfa9ce874b26fc9cdd_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzE0OTA_8e108098-98bf-445e-bd50-ad3043e83e77"
      unitRef="shares">700000</smlp:CommonUnitsNotPledgedAsCollateral>
    <us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
      contextRef="icd2e2e4dffe14a7f8c2ec96ce964b933_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzE2OTE_414a41a9-40c3-4506-9ac1-efb4054ddd62"
      unitRef="shares">0.4</us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding>
    <us-gaap:PaymentsToAcquireBusinessesGross
      contextRef="i744491e4885b4622ac334277676f4fd2_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzE3Nzg_1831f3a9-9648-45a1-85b6-bfb4e4c6e480"
      unitRef="usd">35000000</us-gaap:PaymentsToAcquireBusinessesGross>
    <us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
      contextRef="i718ce2ec7ff44511a0dc077bd8be2fb4_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzE4NDE_ac29bc64-fe09-4491-a3fe-130c642338f2"
      unitRef="shares">700000</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
    <us-gaap:TreasuryStockShares
      contextRef="i74cf80d6873b4ebfa9ce874b26fc9cdd_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzI0OTk_4828efa2-896c-499c-b917-5f8fa23ec66f"
      unitRef="shares">1100000</us-gaap:TreasuryStockShares>
    <smlp:CommonUnitsPledgedAsCollateral
      contextRef="i74cf80d6873b4ebfa9ce874b26fc9cdd_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzI1OTg_04668fb6-c2ab-423f-a0f0-a4117914d8dc"
      unitRef="shares">2300000</smlp:CommonUnitsPledgedAsCollateral>
    <us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
      contextRef="i2fd6d4a700a24ed9bfe3498eb42566fd_I20201109"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzM2MjM_737f5c31-0d7f-4fdb-b5fe-e10bb228d932"
      unitRef="shares">56624887</us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding>
    <us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding
      contextRef="i1f70c47b5ee04f5aa798a0330e8f6634_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzM3NzE_de1a42d8-26dd-45b2-858c-978254f85baf"
      unitRef="shares">3774992</us-gaap:LimitedPartnersCapitalAccountUnitsOutstanding>
    <us-gaap:BasisOfAccountingPolicyPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzMvZnJhZzpjMGRiMWFiMzQxODQ0YTIwYjVjZGY3YzE5ZWUxMmZjNi90ZXh0cmVnaW9uOmMwZGIxYWIzNDE4NDRhMjBiNWNkZjdjMTllZTEyZmM2XzY1MDQ_b801d805-ae5d-43ca-b7ed-c8f6903b6bd4">The Partnership prepares its consolidated financial statements in accordance with GAAP as established by the FASB. The Partnership makes estimates and assumptions that affect the reported amounts of assets and liabilities at the balance sheet dates, including fair value measurements, the reported amounts of revenues and expenses and the disclosure of commitments and contingencies. Although management believes these estimates are reasonable, actual results could differ from its estimates.The consolidated financial statements include the assets, liabilities and results of operations of SMLP and its subsidiaries. All intercompany transactions among the consolidated entities have been eliminated in consolidation. Comprehensive income or loss is the same as net income or loss for all periods presented.</us-gaap:BasisOfAccountingPolicyPolicyTextBlock>
    <us-gaap:SignificantAccountingPoliciesTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA3_2c489b1e-b642-49df-9bb1-9b3610c85959">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ISSUED ACCOUNTING STANDARDS APPLICABLE TO THE PARTNERSHIP&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Cash, Cash Equivalents and Restricted Cash.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership considers all highly liquid investments with an original maturity of three months or less to be cash equivalents. Cash that is held by a major bank and has restrictions on its availability to the Partnership is classified as restricted cash. The restricted cash balance of $12.2 million at December&#160;31, 2021 is related to proceeds which are available to finance Permian Transmission&#x2019;s capital calls associated with its investment in Double E, for debt service or other general corporate purposes of Permiam Transmission. See Note 8 - Debt for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Accounts Receivable.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Accounts receivable relate to gathering and other services provided to the Partnership&#x2019;s customers and other counterparties. The Partnership evaluates the collectability of accounts receivable and the need for an allowance for doubtful accounts based on customer-specific facts and circumstances. To the extent the collectability of a specific customer or counterparty receivable is doubtful, the Partnership recognizes an allowance for doubtful accounts. Uncollectible receivables are written off when a settlement is reached for an amount that is less than the outstanding historical balance or a receivable amount is deemed otherwise unrealizable.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Property, Plant and Equipment.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership records property, plant and equipment at historical cost of construction or fair value of the assets at acquisition. The Partnership capitalizes expenditures that extend the useful life of an asset or enhance its productivity or efficiency from its original design over the expected remaining period of use. For maintenance and repairs that do not add capacity or extend the useful life of an asset, the Partnership recognizes expenditures as an expense as incurred. The Partnership capitalizes project costs incurred during construction, including interest on funds borrowed to finance the construction of facilities, as construction in progress. Accrued capital expenditures are reflected in trade accounts payable.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership records depreciation on a straight-line basis over an asset&#x2019;s estimated useful life and bases its estimates for useful life on various factors including age (in the case of acquired assets), manufacturing specifications, technological advances and historical data concerning useful lives of similar assets.&#160;Estimates of useful lives follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Useful lives&lt;br/&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gathering and processing systems and related equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12-30&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4-15&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Construction in progress is depreciated consistent with its applicable asset class once it is placed in service. Land and line fill are not depreciated.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership bases an asset&#x2019;s carrying value on estimates, assumptions and judgments for useful life and salvage value. Upon sale, retirement or other disposal, the Partnership removes the carrying value of an asset and its accumulated depreciation from its balance sheet and recognizes the related gain or loss, if any.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Asset Retirement Obligations.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership records a liability for asset retirement obligations only if and when a future asset retirement obligation with a determinable life is identified. For identified asset retirement obligations, the Partnership evaluates whether the expected&#160;retirement&#160;date and related costs of retirement can be estimated.&#160;The Partnership&#160;has&#160;concluded that&#160;its&#160;gathering and processing assets have an indeterminate life because they are owned and will operate for an indeterminate period when properly maintained. Because&#160;the Partnership&#160;does&#160;not have sufficient information to reasonably estimate the amount or timing of such obligations and&#160;does not&#160;have&#160;any&#160;current plan to discontinue use of any significant assets,&#160;the Partnership&#160;did&#160;not provide for any asset retirement obligations as of December&#160;31, 2021&#160;or 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Amortizing Intangibles.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership has certain acquired gas gathering contracts that had above-market pricing structures at the acquisition date and the Partnership amortizes these favorable contracts using a straight-line method over the contract&#x2019;s estimated useful life. The Partnership defines useful life as the period over which the contract is expected to contribute to the Partnership&#x2019;s future cash flows. These favorable contracts have original terms ranging from&#160;10 years to&#160;20 years and the Partnership recognizes the amortization expense associated with these contracts in Other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership amortizes all other gas gathering contracts, or contract intangibles, over the period of economic benefit based upon expected revenues over the life of the contract. The useful life of these contracts ranges from&#160;3 years to&#160;25 years. The Partnership recognizes the amortization expense associated with these contracts in Depreciation and amortization expense.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership also has rights-of-way associated with municipal easements and easements granted within existing rights-of-way. The Partnership amortizes these intangible assets over the shorter of the contractual term of the rights-of-way or the estimated useful life of the gathering system. The contractual terms of the rights-of-way range from&#160;20 years to&#160;30 years and the Partnership recognizes the amortization expense associated with these rights-of-way assets in Depreciation and amortization expense.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Equity Method Investments.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership accounts for investments in which it exercises significant influence using the equity method so long as it (i) does not control the investee and (ii) is not the primary beneficiary. The Partnership reflects these investments in its consolidated balance sheets under the caption titled &#x201c;investment in equity method investees.&#x201d;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognizes an other-than-temporary impairment for losses in the value of equity method investees when evidence indicates that the carrying amount is no longer supportable. Evidence of a loss in value might include, but is not limited to, absence of an ability to recover the carrying amount of the investment or an inability of the equity method investee to sustain an earnings capacity that would justify the carrying amount of the investment. A current fair value of an investment that is less than its carrying amount may indicate a loss in value of the investment. The Partnership evaluates its equity method investments whenever a triggering event exists that would indicate a need to assess the investment for potential impairment.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Impairment of Long-Lived Assets.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership tests assets for impairment when events or circumstances indicate the carrying value of a long-lived asset may not be recoverable. The carrying value of a long-lived asset (except goodwill) is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from its use and eventual disposition. If the Partnership concludes that an assets carrying value will not be recovered through future cash flows, the Partnership recognizes an impairment loss on the long-lived asset equal to the amount by which the carrying value exceeds its fair value. The Partnership determines fair value using a combination of market-based and income-based approaches.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Environmental Matters.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership is subject to various federal, state and local laws and regulations relating to the protection of the environment. Liabilities for loss contingencies, including environmental remediation costs, arising from claims, assessments, litigation, fines and penalties and other sources are charged to expense when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. The Partnership accrues for losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Such accruals are adjusted as further information develops or circumstances change. Recoveries of environmental remediation costs from other parties or insurers are recorded as assets when their realization is assured beyond a reasonable doubt.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Commitments and Contingencies.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;When required, the Partnership records accruals for loss contingencies in accordance with FASB ASC 450,&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Contingencies&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;. Such determinations are subject to interpretations of current facts and circumstances, forecasts of future events and estimates of the financial impacts of such events.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Noncontrolling Interest and Mezzanine Capital&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;. A noncontrolling interest represents the portion of a consolidated subsidiary that is owned by a third party.&#160;Amounts are adjusted by the noncontrolling interest holder&#x2019;s proportionate share of the subsidiary&#x2019;s earnings or losses each period and any distributions that are paid. A noncontrolling interest is reported as a component of equity unless the noncontrolling interest is considered redeemable, in which case the noncontrolling interest is recorded between liabilities and equity (mezzanine or temporary equity) in the Partnership&#x2019;s consolidated balance sheet.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Revenue.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership provides gathering and/or processing services principally under contracts that contain one or more of the following arrangements described below:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;padding-left:14.5pt"&gt;Fee-based arrangements.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Under fee-based arrangements, the Partnership receives a fee or fees for one or more of the following services (i) natural gas gathering, treating, transporting, compressing and/or processing and (ii) crude oil and/or produced water gathering.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;padding-left:14.5pt"&gt;Percent-of-proceeds arrangements.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Under percent-of-proceeds arrangements, the Partnership generally purchases natural gas from producers at the wellhead, or other receipt points, gathers the wellhead natural gas through its gathering system, treats and compresses the natural gas, processes the natural gas and/or sells the natural gas to a third party for processing. The Partnership then remits to its producers an agreed-upon percentage of the actual proceeds received from sales of the residue natural gas and NGLs. Certain of these arrangements may also result &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:54pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;in returning all or a portion of the residue natural gas and/or the NGLs to the producer, in lieu of returning sales proceeds. The margins earned are directly related to the volume of natural gas that flows through the system and the price at which the Partnership is able to sell the residue natural gas and NGLs.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The majority of the Partnership&#x2019;s contracts have a single performance obligation which is either to provide gathering services (an integrated service) or sell natural gas, NGLs and condensate, which are both satisfied when the related natural gas, crude oil and produced water are received and transferred to an agreed upon delivery point. The Partnership also has certain contracts with multiple performance obligations. They include an option for the customer to acquire additional services such as contracts containing MVCs. These performance obligations would also be satisfied when the related natural gas, crude oil and produced water are received and transferred to an agreed upon delivery point. In these instances, the Partnership allocates the contract&#x2019;s transaction price to each performance obligation using its best estimate of the standalone selling price of each service in the contract.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Performance obligations for gathering services are generally satisfied over time. The Partnership utilizes either an output method (i.e., measure of progress) for guaranteed, stand-ready service contracts or an asset/system delivery time estimate for non-guaranteed, as-available service contracts.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Performance obligations for the sale of natural gas, NGLs and condensate are satisfied at a point in time. There are no significant judgments for these transactions because the customer obtains control based on an agreed upon delivery point.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Services are typically billed on a monthly basis and the Partnership does not offer extended payment terms. The Partnership does not have contracts with financing components. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the contracts described above, the Partnership reflects its revenues in the financial statement captions described below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.529%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.536%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Financial statement caption:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revenue description:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revenues:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue earned from fee-based gathering, compression, treating and processing services;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue from the sale of physical natural gas purchased from customers percent-of- proceeds arrangements (Costs are presented within cost of natural gas and NGLs);&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue from sale of condensate and NGLs retained from gathering services (Costs are presented within operation and maintenance expense); and&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Customer reimbursements to the Partnership for costs incurred by the Partnership on customer&#x2019;s behalf (Recorded on a gross basis).&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Certain of the Partnership&#x2019;s gathering and/or processing agreements provide for monthly or annual MVCs. Under these MVCs, customers agree to ship and/or process a minimum volume of production on its gathering systems or to pay a minimum monetary amount over certain periods during the term of the MVC. A customer must make a shortfall payment to the Partnership at the end of the contracted measurement period if its actual throughput volumes are less than its contractual MVC for that period. Certain customers are entitled to utilize shortfall payments to offset gathering fees in one or more subsequent contracted measurement periods to the extent that such customers throughput volumes in a subsequent contracted measurement period exceed its MVC for that contracted measurement period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognizes customer obligations under their MVCs as revenue and contract assets when (i) it considers it remote that the customer will utilize shortfall payments to offset gathering or processing fees in excess of its MVCs in subsequent periods; (ii) the customer incurs a shortfall in a contract with no banking mechanism or claw back provision; (iii) the customer&#x2019;s banking mechanism has expired; or (iv) it is remote that the customer will use its unexercised right. In making this determination, the Partnership considers both quantitative and qualitative facts and circumstances, including, but not limited to, contract terms, capacity of the associated pipeline or receipt point and/or expectations regarding future investment, drilling and production.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The majority of the Partnership&#x2019;s revenue is derived from long-term, fee-based contracts with its customers, which include original terms of up to 25 years. The Partnership recognizes revenue earned from fee-based gathering, compression, treating and processing services in gathering services and related fees. The Partnership also earns revenue in the Rockies, Piceance and Permian reporting segments from the sale of physical natural gas purchased from its customers under certain percent-of-&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;proceeds arrangements. Under ASC Topic 606, these gathering contracts are presented net within cost of natural gas and NGLs. The Partnership sells natural gas that it retains from certain customers in the Barnett reporting segment to offset the power expenses of the electric-driven compression on the DFW Midstream system. The Partnership also sells condensate and NGLs retained from certain of its gathering services in the Piceance and Permian reporting segments. Revenues from the sale of natural gas and condensate are recognized in Natural gas, NGLs and condensate sales; the associated expense is included in Operation and maintenance expense. Certain customers reimburse the Partnership for costs incurred on their behalf. The Partnership records costs incurred and reimbursed by its customers on a gross basis, with the revenue component recognized in Other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The transaction price in the Partnership&#x2019;s contracts is primarily based on the volume of natural gas, crude oil or produced water transferred by its gathering systems to the customer&#x2019;s agreed upon delivery point multiplied by the contractual rate. For contracts that include MVCs, variable consideration up to the MVC will be included in the transaction price. For contracts that do not include MVCs, the Partnership does not estimate variable consideration because the performance obligations are completed and settled on a daily basis. For contracts containing noncash consideration such as fuel received in-kind, the Partnership measures the transaction price at the point of sale when the volume, mix and market price of the commodities are known.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership has contracts with MVCs that are variable and constrained. Contracts with longer than monthly MVCs are reviewed on a quarterly basis and adjustments to those estimates are made during each respective reporting period, if necessary.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The transaction price is allocated if the contract contains more than one performance obligation such as contracts that include MVCs. The transaction price allocated is based on the MVC for the applicable measurement period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Unit-Based Compensation.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For awards of unit-based compensation, the Partnership determines a grant date fair value and recognizes the related compensation expense in the statements of operations over the vesting period for each respective award.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Income Taxes.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership is generally not subject to federal and state income taxes, except as noted below. However, its unitholders are individually responsible for paying federal and state income taxes on their share of its taxable income. Net income or loss for GAAP purposes may differ significantly from taxable income reportable to its unitholders as a result of differences between the tax basis and the GAAP basis of assets and liabilities and the taxable income allocation requirements of the Partnership&#x2019;s governing documents. The aggregate difference in the basis of the Partnership&#x2019;s net assets for financial and income tax purposes cannot be readily determined as the Partnership does not have access to the information about each partner&#x2019;s tax attributes related to the Partnership.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In general, legal entities that are chartered, organized or conducting business in the state of Texas are subject to a franchise tax (the &#x201c;Texas Margin Tax&#x201d;). The Texas Margin Tax has the characteristics of an income tax because it is determined by applying a tax rate to a tax base that considers both revenues and expenses.&#160;The Partnership&#x2019;s financial statements reflect provisions for these tax obligations.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Interest Rate Swaps.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Interest rate swap agreements are reported as either assets or liabilities on the consolidated balance sheet at fair value. Interest rate swap agreements are not designated as cash-flow hedges, and accordingly, the changes in the fair value are recorded in earnings. The Partnership does not use interest rate swap agreements for speculative purposes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Reclassifications.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Certain reclassifications have been made to prior period amounts to conform to current period financial statement presentation. These reclassifications had no effect on the consolidated financial position, results of operations or cash flows of the Partnership.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;New accounting standards implemented in this Annual Report.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2018-13 Fair Value Measurement (&#x201c;ASU 2018-13&#x201d;). ASU 2018-13 updates the disclosure requirements on fair value measurements including new disclosures for the changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. ASU 2018-13 modifies existing disclosures including clarifying the measurement uncertainty disclosure. ASU 2018-13 removes certain existing disclosure requirements including the amount and reasons for transfers between Level 1 and Level 2 fair value measurements and the policy for the timing of transfer between levels. The adoption of ASU 2018-13 on January 1, 2020 did not have a material impact on the Partnership&#x2019;s consolidated financial statements or disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2016-13 Financial Instruments &#x2013; Credit Losses (&#x201c;ASU 2016-13&#x201d;). ASU 2016-13 requires the use of a current expected loss model for financial assets measured at amortized cost and certain off-balance sheet credit exposures. Under this model, entities will be required to estimate the lifetime expected credit losses on such instruments based on historical experience, current conditions, and reasonable and supportable forecasts. This amended guidance also expands the disclosure requirements to enable users of financial statements to understand an entity&#x2019;s assumptions, models and methods for estimating expected credit losses. The changes are effective for annual and interim periods beginning after December 15, 2019, and &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;amendments should be applied using a modified retrospective approach. The adoption of ASU 2016-13 on January 1, 2020 did not have a material impact on the Partnership&#x2019;s consolidated financial statements or disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;New accounting standards not yet implemented in this Annual Report.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2020-6 Debt &#x2013; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging &#x2013; Contracts in Entity&#x2019;s Own Equity (Subtopic 815 &#x2013; 40) (&#x201c;ASU 2020-6&#x201d;). ASU 2020-6 simplifies the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts on an entity&#x2019;s own equity. The ASU is part of the FASB&#x2019;s simplification initiative, which aims to reduce unnecessary complexity in GAAP. The ASU&#x2019;s amendments are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Partnership is currently evaluating the provisions of ASU 2020-6 to determine its impact on the Partnership&#x2019;s consolidated financial statements and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2020-4 Reference Rate Reform (&#x201c;ASU 2020-4&#x201d;). ASU 2020-4 provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform on financial reporting. The amendments in ASU 2020-4 are effective as of March 12, 2020 through December 31, 2022. The Partnership is currently evaluating the provisions of ASU 2020-4 to determine its impact on the Partnership&#x2019;s consolidated financial statements and disclosures.&lt;/span&gt;&lt;/div&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
    <us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjAy_b408aeed-a615-4bf5-8b79-c5eed758c339">The Partnership considers all highly liquid investments with an original maturity of three months or less to be cash equivalents. Cash that is held by a major bank and has restrictions on its availability to the Partnership is classified as restricted cash. The restricted cash balance of $12.2 million at December&#160;31, 2021 is related to proceeds which are available to finance Permian Transmission&#x2019;s capital calls associated with its investment in Double E, for debt service or other general corporate purposes of Permiam Transmission. See Note 8 - Debt for additional information.</us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy>
    <us-gaap:RestrictedCash
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzgyNDYzMzcyNTM4MzY_c11b4c9d-683e-4283-86c5-c71c429e3619"
      unitRef="usd">12200000</us-gaap:RestrictedCash>
    <us-gaap:TradeAndOtherAccountsReceivablePolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA4_e85c2031-2e3e-4339-9e6f-10e3f38e1537">Accounts receivable relate to gathering and other services provided to the Partnership&#x2019;s customers and other counterparties. The Partnership evaluates the collectability of accounts receivable and the need for an allowance for doubtful accounts based on customer-specific facts and circumstances. To the extent the collectability of a specific customer or counterparty receivable is doubtful, the Partnership recognizes an allowance for doubtful accounts. Uncollectible receivables are written off when a settlement is reached for an amount that is less than the outstanding historical balance or a receivable amount is deemed otherwise unrealizable.</us-gaap:TradeAndOtherAccountsReceivablePolicy>
    <us-gaap:PropertyPlantAndEquipmentPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjAw_c3902648-3567-4e73-a1f8-8c82fc05583e">The Partnership records property, plant and equipment at historical cost of construction or fair value of the assets at acquisition. The Partnership capitalizes expenditures that extend the useful life of an asset or enhance its productivity or efficiency from its original design over the expected remaining period of use. For maintenance and repairs that do not add capacity or extend the useful life of an asset, the Partnership recognizes expenditures as an expense as incurred. The Partnership capitalizes project costs incurred during construction, including interest on funds borrowed to finance the construction of facilities, as construction in progress. Accrued capital expenditures are reflected in trade accounts payable.&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership records depreciation on a straight-line basis over an asset&#x2019;s estimated useful life and bases its estimates for useful life on various factors including age (in the case of acquired assets), manufacturing specifications, technological advances and historical data concerning useful lives of similar assets.&#160;Estimates of useful lives follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Useful lives&lt;br/&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gathering and processing systems and related equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12-30&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4-15&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Construction in progress is depreciated consistent with its applicable asset class once it is placed in service. Land and line fill are not depreciated.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership bases an asset&#x2019;s carrying value on estimates, assumptions and judgments for useful life and salvage value. Upon sale, retirement or other disposal, the Partnership removes the carrying value of an asset and its accumulated depreciation from its balance sheet and recognizes the related gain or loss, if any.&lt;/span&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
    <smlp:ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjAz_6d4f1552-dc24-45e0-93ac-4bc2a53a0246">Estimates of useful lives follow.&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Useful lives&lt;br/&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gathering and processing systems and related equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12-30&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4-15&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</smlp:ScheduleOfPropertyPlantAndEquipmentUsefulLifeTableTableTextBlock>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife
      contextRef="ib1eac82899a74c6a97c1ac80cc942903_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90YWJsZTpkNjllOGZiMTI4YTc0MWVlODBlOThmZjNlMjNhYTczZS90YWJsZXJhbmdlOmQ2OWU4ZmIxMjhhNzQxZWU4MGU5OGZmM2UyM2FhNzNlXzItMS0xLTEtMjU3MjgvdGV4dHJlZ2lvbjoxMDRmMmFmZDk4NzM0Nzc0YmZmZmE0ZDAzMWRhOTk3NV84Nzk2MDkzMDIyMjE5_787c3337-5fd3-4bfc-8959-0e08ad1bffc3">P12Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife
      contextRef="i1a5777376d554af5a33af8a68e777a50_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90YWJsZTpkNjllOGZiMTI4YTc0MWVlODBlOThmZjNlMjNhYTczZS90YWJsZXJhbmdlOmQ2OWU4ZmIxMjhhNzQxZWU4MGU5OGZmM2UyM2FhNzNlXzItMS0xLTEtMjU3MjgvdGV4dHJlZ2lvbjoxMDRmMmFmZDk4NzM0Nzc0YmZmZmE0ZDAzMWRhOTk3NV84Nzk2MDkzMDIyMjI0_b554dc8f-b8da-4650-be1c-30c817b142ad">P30Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife
      contextRef="ib0b565c7d9d9430d84dcaa515559393c_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90YWJsZTpkNjllOGZiMTI4YTc0MWVlODBlOThmZjNlMjNhYTczZS90YWJsZXJhbmdlOmQ2OWU4ZmIxMjhhNzQxZWU4MGU5OGZmM2UyM2FhNzNlXzMtMS0xLTEtMjU3MzQvdGV4dHJlZ2lvbjpiNTZjZTk0OWNhNTE0NjIwOTEyYzMyNGNkYWY0OTliZF84Nzk2MDkzMDIyMjE3_1739f5a1-1d17-43b3-8b2c-9e928a5b653e">P4Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:PropertyPlantAndEquipmentUsefulLife
      contextRef="if3b62531aa554fbc9245e6507f5943cd_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90YWJsZTpkNjllOGZiMTI4YTc0MWVlODBlOThmZjNlMjNhYTczZS90YWJsZXJhbmdlOmQ2OWU4ZmIxMjhhNzQxZWU4MGU5OGZmM2UyM2FhNzNlXzMtMS0xLTEtMjU3MzQvdGV4dHJlZ2lvbjpiNTZjZTk0OWNhNTE0NjIwOTEyYzMyNGNkYWY0OTliZF84Nzk2MDkzMDIyMjIy_2c9d5e6f-1410-46f3-abd3-b39ce579fbb8">P15Y</us-gaap:PropertyPlantAndEquipmentUsefulLife>
    <us-gaap:AssetRetirementObligationsPolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA5_2aaa7b3a-d0bd-4f91-811d-4b498079db69">The Partnership records a liability for asset retirement obligations only if and when a future asset retirement obligation with a determinable life is identified. For identified asset retirement obligations, the Partnership evaluates whether the expected&#160;retirement&#160;date and related costs of retirement can be estimated.&#160;The Partnership&#160;has&#160;concluded that&#160;its&#160;gathering and processing assets have an indeterminate life because they are owned and will operate for an indeterminate period when properly maintained. Because&#160;the Partnership&#160;does&#160;not have sufficient information to reasonably estimate the amount or timing of such obligations and&#160;does not&#160;have&#160;any&#160;current plan to discontinue use of any significant assets,&#160;the Partnership&#160;did&#160;not provide for any asset retirement obligations as of December&#160;31, 2021&#160;or 2020.</us-gaap:AssetRetirementObligationsPolicy>
    <smlp:IntangibleAssetsAndNoncurrentLiabilitiesPolicyPolicyPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjEw_20ab7cf0-32e8-4912-ab9f-04171a340727">The Partnership has certain acquired gas gathering contracts that had above-market pricing structures at the acquisition date and the Partnership amortizes these favorable contracts using a straight-line method over the contract&#x2019;s estimated useful life. The Partnership defines useful life as the period over which the contract is expected to contribute to the Partnership&#x2019;s future cash flows. These favorable contracts have original terms ranging from&#160;10 years to&#160;20 years and the Partnership recognizes the amortization expense associated with these contracts in Other revenues.&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership amortizes all other gas gathering contracts, or contract intangibles, over the period of economic benefit based upon expected revenues over the life of the contract. The useful life of these contracts ranges from&#160;3 years to&#160;25 years. The Partnership recognizes the amortization expense associated with these contracts in Depreciation and amortization expense.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership also has rights-of-way associated with municipal easements and easements granted within existing rights-of-way. The Partnership amortizes these intangible assets over the shorter of the contractual term of the rights-of-way or the estimated useful life of the gathering system. The contractual terms of the rights-of-way range from&#160;20 years to&#160;30 years and the Partnership recognizes the amortization expense associated with these rights-of-way assets in Depreciation and amortization expense.&lt;/span&gt;&lt;/div&gt;</smlp:IntangibleAssetsAndNoncurrentLiabilitiesPolicyPolicyPolicyTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="i318f075b3541472b9eb88fc5058a1c76_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzM4MDk_414a73d9-fe64-4b52-8ff9-8bda6960859c">P10Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="idb9ab01cb9f64d78a80b5c65c920889e_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzM4MTU_abbf7426-46f8-4862-bf0e-d1985e2869b8">P20Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="ic5eec936def34e27b6cc043f93779dac_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzQxNTQ_522a51e1-913d-42e3-a168-03510ce706cc">P3Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="i2ede2d129f8346068d8dc9e056d614e9_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzQxNjA_71156d5f-6244-4eee-983e-5653d753d010">P25Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="i98ab2fe17e3f49d7af95860fb5f57c5a_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzQ2Mzg_5196da05-0e92-4f35-90e2-5d9a626e121d">P20Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="iba388300e7974da7845218429e2c7103_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzQ2NDQ_01e68332-2cae-4a9c-8360-77ec4c61411d">P30Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:EquityMethodInvestmentsPolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA0_0a498414-9082-4da1-b503-488d75b53dd4">The Partnership accounts for investments in which it exercises significant influence using the equity method so long as it (i) does not control the investee and (ii) is not the primary beneficiary. The Partnership reflects these investments in its consolidated balance sheets under the caption titled &#x201c;investment in equity method investees.&#x201d;The Partnership recognizes an other-than-temporary impairment for losses in the value of equity method investees when evidence indicates that the carrying amount is no longer supportable. Evidence of a loss in value might include, but is not limited to, absence of an ability to recover the carrying amount of the investment or an inability of the equity method investee to sustain an earnings capacity that would justify the carrying amount of the investment. A current fair value of an investment that is less than its carrying amount may indicate a loss in value of the investment. The Partnership evaluates its equity method investments whenever a triggering event exists that would indicate a need to assess the investment for potential impairment.</us-gaap:EquityMethodInvestmentsPolicy>
    <us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjEx_63ea435c-cbdf-4f86-bb7a-ccdf344c1182">The Partnership tests assets for impairment when events or circumstances indicate the carrying value of a long-lived asset may not be recoverable. The carrying value of a long-lived asset (except goodwill) is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from its use and eventual disposition. If the Partnership concludes that an assets carrying value will not be recovered through future cash flows, the Partnership recognizes an impairment loss on the long-lived asset equal to the amount by which the carrying value exceeds its fair value. The Partnership determines fair value using a combination of market-based and income-based approaches.</us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock>
    <us-gaap:RegulatoryEnvironmentalCostsPolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjEy_a6751ed4-bdcb-40af-8411-b2e3984e72c1">The Partnership is subject to various federal, state and local laws and regulations relating to the protection of the environment. Liabilities for loss contingencies, including environmental remediation costs, arising from claims, assessments, litigation, fines and penalties and other sources are charged to expense when it is probable that a liability has been incurred and the amount of the assessment and/or remediation can be reasonably estimated. The Partnership accrues for losses associated with environmental remediation obligations when such losses are probable and reasonably estimable. Such accruals are adjusted as further information develops or circumstances change. Recoveries of environmental remediation costs from other parties or insurers are recorded as assets when their realization is assured beyond a reasonable doubt.</us-gaap:RegulatoryEnvironmentalCostsPolicy>
    <us-gaap:CommitmentsAndContingenciesPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA1_c22f7e1e-9ee0-44e7-9d0a-391dc06e3c25">When required, the Partnership records accruals for loss contingencies in accordance with FASB ASC 450,&#160;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Contingencies&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;. Such determinations are subject to interpretations of current facts and circumstances, forecasts of future events and estimates of the financial impacts of such events.&lt;/span&gt;</us-gaap:CommitmentsAndContingenciesPolicyTextBlock>
    <us-gaap:ConsolidationPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjEz_cfd1e006-ff70-44fa-a866-4fe14a3b1716">A noncontrolling interest represents the portion of a consolidated subsidiary that is owned by a third party.&#160;Amounts are adjusted by the noncontrolling interest holder&#x2019;s proportionate share of the subsidiary&#x2019;s earnings or losses each period and any distributions that are paid. A noncontrolling interest is reported as a component of equity unless the noncontrolling interest is considered redeemable, in which case the noncontrolling interest is recorded between liabilities and equity (mezzanine or temporary equity) in the Partnership&#x2019;s consolidated balance sheet.</us-gaap:ConsolidationPolicyTextBlock>
    <us-gaap:RevenueFromContractWithCustomerPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjE0_13306322-509c-48c8-960b-de141996ab7e">The Partnership provides gathering and/or processing services principally under contracts that contain one or more of the following arrangements described below:&lt;div style="margin-top:6pt;padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;padding-left:14.5pt"&gt;Fee-based arrangements.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Under fee-based arrangements, the Partnership receives a fee or fees for one or more of the following services (i) natural gas gathering, treating, transporting, compressing and/or processing and (ii) crude oil and/or produced water gathering.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:54pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%;padding-left:14.5pt"&gt;Percent-of-proceeds arrangements.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; Under percent-of-proceeds arrangements, the Partnership generally purchases natural gas from producers at the wellhead, or other receipt points, gathers the wellhead natural gas through its gathering system, treats and compresses the natural gas, processes the natural gas and/or sells the natural gas to a third party for processing. The Partnership then remits to its producers an agreed-upon percentage of the actual proceeds received from sales of the residue natural gas and NGLs. Certain of these arrangements may also result &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:54pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;in returning all or a portion of the residue natural gas and/or the NGLs to the producer, in lieu of returning sales proceeds. The margins earned are directly related to the volume of natural gas that flows through the system and the price at which the Partnership is able to sell the residue natural gas and NGLs.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The majority of the Partnership&#x2019;s contracts have a single performance obligation which is either to provide gathering services (an integrated service) or sell natural gas, NGLs and condensate, which are both satisfied when the related natural gas, crude oil and produced water are received and transferred to an agreed upon delivery point. The Partnership also has certain contracts with multiple performance obligations. They include an option for the customer to acquire additional services such as contracts containing MVCs. These performance obligations would also be satisfied when the related natural gas, crude oil and produced water are received and transferred to an agreed upon delivery point. In these instances, the Partnership allocates the contract&#x2019;s transaction price to each performance obligation using its best estimate of the standalone selling price of each service in the contract.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Performance obligations for gathering services are generally satisfied over time. The Partnership utilizes either an output method (i.e., measure of progress) for guaranteed, stand-ready service contracts or an asset/system delivery time estimate for non-guaranteed, as-available service contracts.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Performance obligations for the sale of natural gas, NGLs and condensate are satisfied at a point in time. There are no significant judgments for these transactions because the customer obtains control based on an agreed upon delivery point.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Services are typically billed on a monthly basis and the Partnership does not offer extended payment terms. The Partnership does not have contracts with financing components. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the contracts described above, the Partnership reflects its revenues in the financial statement captions described below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.529%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.536%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Financial statement caption:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revenue description:&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revenues:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue earned from fee-based gathering, compression, treating and processing services;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue from the sale of physical natural gas purchased from customers percent-of- proceeds arrangements (Costs are presented within cost of natural gas and NGLs);&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Revenue from sale of condensate and NGLs retained from gathering services (Costs are presented within operation and maintenance expense); and&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div style="padding-left:42.75pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;Customer reimbursements to the Partnership for costs incurred by the Partnership on customer&#x2019;s behalf (Recorded on a gross basis).&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Certain of the Partnership&#x2019;s gathering and/or processing agreements provide for monthly or annual MVCs. Under these MVCs, customers agree to ship and/or process a minimum volume of production on its gathering systems or to pay a minimum monetary amount over certain periods during the term of the MVC. A customer must make a shortfall payment to the Partnership at the end of the contracted measurement period if its actual throughput volumes are less than its contractual MVC for that period. Certain customers are entitled to utilize shortfall payments to offset gathering fees in one or more subsequent contracted measurement periods to the extent that such customers throughput volumes in a subsequent contracted measurement period exceed its MVC for that contracted measurement period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognizes customer obligations under their MVCs as revenue and contract assets when (i) it considers it remote that the customer will utilize shortfall payments to offset gathering or processing fees in excess of its MVCs in subsequent periods; (ii) the customer incurs a shortfall in a contract with no banking mechanism or claw back provision; (iii) the customer&#x2019;s banking mechanism has expired; or (iv) it is remote that the customer will use its unexercised right. In making this determination, the Partnership considers both quantitative and qualitative facts and circumstances, including, but not limited to, contract terms, capacity of the associated pipeline or receipt point and/or expectations regarding future investment, drilling and production.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The majority of the Partnership&#x2019;s revenue is derived from long-term, fee-based contracts with its customers, which include original terms of up to 25 years. The Partnership recognizes revenue earned from fee-based gathering, compression, treating and processing services in gathering services and related fees. The Partnership also earns revenue in the Rockies, Piceance and Permian reporting segments from the sale of physical natural gas purchased from its customers under certain percent-of-&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;proceeds arrangements. Under ASC Topic 606, these gathering contracts are presented net within cost of natural gas and NGLs. The Partnership sells natural gas that it retains from certain customers in the Barnett reporting segment to offset the power expenses of the electric-driven compression on the DFW Midstream system. The Partnership also sells condensate and NGLs retained from certain of its gathering services in the Piceance and Permian reporting segments. Revenues from the sale of natural gas and condensate are recognized in Natural gas, NGLs and condensate sales; the associated expense is included in Operation and maintenance expense. Certain customers reimburse the Partnership for costs incurred on their behalf. The Partnership records costs incurred and reimbursed by its customers on a gross basis, with the revenue component recognized in Other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The transaction price in the Partnership&#x2019;s contracts is primarily based on the volume of natural gas, crude oil or produced water transferred by its gathering systems to the customer&#x2019;s agreed upon delivery point multiplied by the contractual rate. For contracts that include MVCs, variable consideration up to the MVC will be included in the transaction price. For contracts that do not include MVCs, the Partnership does not estimate variable consideration because the performance obligations are completed and settled on a daily basis. For contracts containing noncash consideration such as fuel received in-kind, the Partnership measures the transaction price at the point of sale when the volume, mix and market price of the commodities are known.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership has contracts with MVCs that are variable and constrained. Contracts with longer than monthly MVCs are reviewed on a quarterly basis and adjustments to those estimates are made during each respective reporting period, if necessary.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The transaction price is allocated if the contract contains more than one performance obligation such as contracts that include MVCs. The transaction price allocated is based on the MVC for the applicable measurement period.&lt;/span&gt;&lt;/div&gt;</us-gaap:RevenueFromContractWithCustomerPolicyTextBlock>
    <us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjAx_8cd86d5b-5ae7-4394-8b16-78c8a1c35c8d">For awards of unit-based compensation, the Partnership determines a grant date fair value and recognizes the related compensation expense in the statements of operations over the vesting period for each respective award.</us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy>
    <us-gaap:IncomeTaxPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjA2_9caebbc3-6eab-40dd-bfac-0ccdb13d8386">The Partnership is generally not subject to federal and state income taxes, except as noted below. However, its unitholders are individually responsible for paying federal and state income taxes on their share of its taxable income. Net income or loss for GAAP purposes may differ significantly from taxable income reportable to its unitholders as a result of differences between the tax basis and the GAAP basis of assets and liabilities and the taxable income allocation requirements of the Partnership&#x2019;s governing documents. The aggregate difference in the basis of the Partnership&#x2019;s net assets for financial and income tax purposes cannot be readily determined as the Partnership does not have access to the information about each partner&#x2019;s tax attributes related to the Partnership.In general, legal entities that are chartered, organized or conducting business in the state of Texas are subject to a franchise tax (the &#x201c;Texas Margin Tax&#x201d;). The Texas Margin Tax has the characteristics of an income tax because it is determined by applying a tax rate to a tax base that considers both revenues and expenses.&#160;The Partnership&#x2019;s financial statements reflect provisions for these tax obligations.</us-gaap:IncomeTaxPolicyTextBlock>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMzkvZnJhZzpmYTc4NDUwYWRhNTk0NDA0OWU5M2M3YmYzNGM2MzQ1NS90ZXh0cmVnaW9uOmZhNzg0NTBhZGE1OTQ0MDQ5ZTkzYzdiZjM0YzYzNDU1XzE2MjE1_d6bcad56-16fb-4c32-8ef3-647c9c97f4da">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2018-13 Fair Value Measurement (&#x201c;ASU 2018-13&#x201d;). ASU 2018-13 updates the disclosure requirements on fair value measurements including new disclosures for the changes in unrealized gains and losses for the period included in other comprehensive income for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. ASU 2018-13 modifies existing disclosures including clarifying the measurement uncertainty disclosure. ASU 2018-13 removes certain existing disclosure requirements including the amount and reasons for transfers between Level 1 and Level 2 fair value measurements and the policy for the timing of transfer between levels. The adoption of ASU 2018-13 on January 1, 2020 did not have a material impact on the Partnership&#x2019;s consolidated financial statements or disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2016-13 Financial Instruments &#x2013; Credit Losses (&#x201c;ASU 2016-13&#x201d;). ASU 2016-13 requires the use of a current expected loss model for financial assets measured at amortized cost and certain off-balance sheet credit exposures. Under this model, entities will be required to estimate the lifetime expected credit losses on such instruments based on historical experience, current conditions, and reasonable and supportable forecasts. This amended guidance also expands the disclosure requirements to enable users of financial statements to understand an entity&#x2019;s assumptions, models and methods for estimating expected credit losses. The changes are effective for annual and interim periods beginning after December 15, 2019, and &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;amendments should be applied using a modified retrospective approach. The adoption of ASU 2016-13 on January 1, 2020 did not have a material impact on the Partnership&#x2019;s consolidated financial statements or disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;New accounting standards not yet implemented in this Annual Report.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2020-6 Debt &#x2013; Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging &#x2013; Contracts in Entity&#x2019;s Own Equity (Subtopic 815 &#x2013; 40) (&#x201c;ASU 2020-6&#x201d;). ASU 2020-6 simplifies the accounting for certain financial instruments with characteristics of liabilities and equity, including convertible instruments and contracts on an entity&#x2019;s own equity. The ASU is part of the FASB&#x2019;s simplification initiative, which aims to reduce unnecessary complexity in GAAP. The ASU&#x2019;s amendments are effective for fiscal years beginning after December 15, 2023, and interim periods within those fiscal years. The Partnership is currently evaluating the provisions of ASU 2020-6 to determine its impact on the Partnership&#x2019;s consolidated financial statements and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ASU No. 2020-4 Reference Rate Reform (&#x201c;ASU 2020-4&#x201d;). ASU 2020-4 provides optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform on financial reporting. The amendments in ASU 2020-4 are effective as of March 12, 2020 through December 31, 2022. The Partnership is currently evaluating the provisions of ASU 2020-4 to determine its impact on the Partnership&#x2019;s consolidated financial statements and disclosures.&lt;/span&gt;&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:RevenueFromContractWithCustomerTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzc0MzA_df8f278e-853c-4b1b-bfb2-d6d9de3b653e">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;3. REVENUE&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table presents estimated revenue expected to be recognized over the remaining contract period related to performance obligations that are unsatisfied and are comprised of estimated MVC shortfall payments.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership applies the practical expedient in paragraph 606-10-50-14 of Topic 606 for certain arrangements that are considered optional purchases (i.e., there is no enforceable obligation for the customer to make purchases) and those amounts are therefore excluded from the table.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.929%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.626%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;81,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;63,214&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52,412&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;35,805&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,024&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Revenue by Category&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;. In the following table, revenue is disaggregated by geographic area and major products and services. For more detailed information about reportable segments, see Note 18 -Segment Information.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable Segments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;74,823&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,279&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;145,087&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,727&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,891&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,235&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;105,485&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,850&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,443&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;281,705&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;82,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;400,578&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;281,705&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;82,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;400,618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable Segments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;83,107&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,263&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;120,765&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;18,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,161&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,657&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,612&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,621&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;113,890&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,687&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,587&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,185&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;54,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;302,792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,319&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;31,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;302,792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,319&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;31,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Contract balances&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;.&#160;Contract assets relate to&#160;the Partnership&#x2019;s&#160;rights to consideration for work completed but not billed at the reporting date and consist of unbilled activity associated with contributions in aid of construction. Contract assets are transferred to trade receivables when the rights become unconditional.&#160;The following table provides information about contract assets from contracts with customers&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Contract assets, beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;18,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Transfers out&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(973)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(20,710)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Contract assets, ending balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,327&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December&#160;31, 2021, receivables with customers totaled $50.5&#160;million and contract assets totaled $10.3&#160;million which were included in the Accounts receivable caption on the consolidated balance sheet.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December&#160;31, 2020, receivables with customers totaled $57.5 million and contract assets totaled $2.0 million which were included in the Accounts receivable caption on the consolidated balance sheet.&lt;/span&gt;&lt;/div&gt;Contract liabilities (deferred revenue) relate to the advance consideration received from customers primarily for contributions in aid of construction. The Partnership recognizes contract liabilities under these arrangements in revenue over the contract period.</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzc0MzE_afbc9f59-e32d-41d9-a3da-39c1ef51f70c">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table presents estimated revenue expected to be recognized over the remaining contract period related to performance obligations that are unsatisfied and are comprised of estimated MVC shortfall payments.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership applies the practical expedient in paragraph 606-10-50-14 of Topic 606 for certain arrangements that are considered optional purchases (i.e., there is no enforceable obligation for the customer to make purchases) and those amounts are therefore excluded from the table.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.929%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.626%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;81,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;63,214&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52,412&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;35,805&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,024&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTableTextBlock>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i40beb6f78fb441788c6e03ccb95d20ea_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItMS0xLTEtMA_f7adaa79-7721-4bdf-aa52-bb71063407f0"
      unitRef="usd">81722000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="iac03af23dc9e4b41b55117ada3ec9989_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItMy0xLTEtMA_61425c5a-f76a-4f50-a756-0faad4fe06f0"
      unitRef="usd">63214000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i8c121d578b934391b71fe7932f82f43a_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItNS0xLTEtMA_8d11701f-a3cf-4805-ae46-3cb86ed47395"
      unitRef="usd">52412000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i150449a01abd414c8b422e7a134bf71a_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItNy0xLTEtMA_be19cd01-e98a-4727-8daf-c3cbcacbe1a6"
      unitRef="usd">35805000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i00596ba36ee74a48bfba358d092009cb_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItOS0xLTEtMA_adad39a6-9116-4a5e-bdde-90c23faabc48"
      unitRef="usd">21024000</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:RevenueRemainingPerformanceObligation
      contextRef="i20fe567fd62e4c53a98875265018b8fb_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo4ZjFkZjhiN2MzYjg0Y2Y5OTIwY2Y2Mzg3MzU3YTMzNC90YWJsZXJhbmdlOjhmMWRmOGI3YzNiODRjZjk5MjBjZjYzODczNTdhMzM0XzItMTEtMS0xLTA_b2c90b93-efbc-48e7-99d8-0359cc7a184f"
      unitRef="usd">0</us-gaap:RevenueRemainingPerformanceObligation>
    <us-gaap:DisaggregationOfRevenueTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzc0MzI_c3a76d45-feb2-48bd-9189-24979f41ad30">In the following table, revenue is disaggregated by geographic area and major products and services. For more detailed information about reportable segments, see Note 18 -Segment Information.&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable Segments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;74,823&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,279&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;145,087&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;28,727&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,891&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,235&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;105,485&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,850&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,443&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;46,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;281,705&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;82,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;400,578&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;281,705&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;82,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;400,618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gathering services and related fees&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Natural gas, NGLs and condensate sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable Segments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;83,107&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20,263&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;120,765&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;18,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,161&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,657&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,612&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,621&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;113,890&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;40,687&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,587&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,185&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;54,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;302,792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,319&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;31,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;302,792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;49,319&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;31,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:DisaggregationOfRevenueTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ibcc9b21ec60f41f0aad4f7f0ab1425f1_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzQtMS0xLTEtMA_3a3b4550-bc1a-46b9-8d77-ca035ed41420"
      unitRef="usd">62567000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="id1aaf753ebd44c4294292064c7278090_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzQtMy0xLTEtMA_36b69511-3bb8-48ae-b356-cdc00ee0410c"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i9793d7164bdf4d4fb8a502f567afcfae_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzQtNS0xLTEtMA_a35362da-7d9b-495f-ad00-a3b66c97a5c5"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i3291bcf9c9da44a9923ae6e0ddeb6341_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzQtNy0xLTEtMA_36fa3539-a511-42d4-9ccd-dfb607e9c533"
      unitRef="usd">62567000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib4b99695a0784654a666b6af676dc985_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzUtMS0xLTEtMA_89f508e9-60e3-4715-a73f-b60060734721"
      unitRef="usd">74823000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iad9497ed7ffb4c5db403e154744cc137_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzUtMy0xLTEtMA_dcd9fc8b-4fac-4947-b588-5f758ef8cbf6"
      unitRef="usd">48279000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="idd9d42fe9d0840f697eb7c0f61359e6d_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzUtNS0xLTEtMA_cd800eee-ae38-4f70-a969-30615db1bbaf"
      unitRef="usd">21985000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7640ae941c344d58bf90c62d9f12f08b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzUtNy0xLTEtMA_3e613233-5c83-456b-bdc3-0b4e3aae3496"
      unitRef="usd">145087000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ieea6e248b6c043db904df4e517092768_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzctMS0xLTEtMA_4c407441-7eea-44c5-9111-1fd5bdd01e21"
      unitRef="usd">8230000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i8474d1f17804428194aa585163467939_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzctMy0xLTEtMA_d74254df-5d54-4661-9e20-fd3415a628cd"
      unitRef="usd">28727000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i35a4aa7748174311a94bf81f5c93c78a_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzctNS0xLTEtMA_c66a09bd-c290-4533-908e-c0ceeabec677"
      unitRef="usd">3891000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib41002cd187b46c58060529fc7880817_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzctNy0xLTEtMA_fc2483ee-2b64-4c37-92bc-bf14eb8a9901"
      unitRef="usd">40848000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="id79d0452d3234b799dc59f1224b45f47_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzgtMS0xLTEtMA_71fdf180-91d3-4639-87e8-cab5772096f4"
      unitRef="usd">95235000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i4273f21806fe436fb305f8e2fd2480f4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzgtMy0xLTEtMA_4fb3f6c4-0efe-4043-a11e-e69c2b905645"
      unitRef="usd">5464000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib18ca840105a465195cf42fd9eb06f2e_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzgtNS0xLTEtMA_e0dab4a8-f76b-41f0-bf0d-19af13339067"
      unitRef="usd">4786000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2be5e60705ad4c449c55eec2e0603ac6_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzgtNy0xLTEtMA_a91202a4-8a2c-4a42-a525-fa135b73074e"
      unitRef="usd">105485000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i44bfd6ab9eb74bb78e56cf3b09b430c8_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzktMS0xLTEtMA_7bc4b50d-7d76-4ded-b8ea-1865ce15952f"
      unitRef="usd">40850000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2af06b72b8634ac586ac1868e727ad2d_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzktMy0xLTEtMA_d13ce8e8-97d7-439e-8c94-b243a20ba262"
      unitRef="usd">298000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="if9a574d6157348e8b85429a30ac9d3e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzktNS0xLTEtMA_462261e1-5c04-46c7-a071-991a30a71b29"
      unitRef="usd">5443000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia387b7e7300749c7a76803ba64bff5e4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzktNy0xLTEtMA_6ec36010-15d5-4585-8977-32ed3e4ddc83"
      unitRef="usd">46591000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i25b6ecaa44de445d95a62b62c69e95be_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzExLTEtMS0xLTA_dbddb021-47d2-444c-a97a-dcd5b3fdd8e1"
      unitRef="usd">281705000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iba0bc548e2d64ecb9fc960b3889e0a87_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzExLTMtMS0xLTA_84b1d250-8ee4-42f7-b697-f2b299158ec4"
      unitRef="usd">82768000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ic1e373e026b5480e9910b8b1a5b54b87_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzExLTUtMS0xLTA_d50055d6-53e1-4208-8500-17aa1e369244"
      unitRef="usd">36105000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i53b7ab2bb14a4b38920071fa571964e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzExLTctMS0xLTA_9fad65ee-272d-4c5c-aeb8-fa062476f107"
      unitRef="usd">400578000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia9b53bad3f0e4bbe9eb826c2d1bf980f_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEyLTEtMS0xLTA_1e4ab694-383f-4929-abd9-18de4581e4a1"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i795e177c2d4e409dadaa2ca9b334687d_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEyLTMtMS0xLTA_20852251-4a94-4262-97cc-d80f421e30df"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ie42fa9d0892c4d0286d0c83c1fce6a44_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEyLTUtMS0xLTA_372bb1dd-9237-44d7-88e2-e7ee8ae2594e"
      unitRef="usd">40000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ie471e62af1f742fdbdf4825afc127399_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEyLTctMS0xLTA_86fea143-5d30-4a04-85fa-d7a7370be198"
      unitRef="usd">40000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i10108bca1aa2494e9da16f21d6a6d341_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEzLTEtMS0xLTA_305a55e7-f6e9-44df-9f74-1f06227a8eab"
      unitRef="usd">281705000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2abe627c44dc4d4c9bbcf03a3e07ae18_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEzLTMtMS0xLTA_b07b9300-eb58-41e8-ac8c-be48fdef4d8e"
      unitRef="usd">82768000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2227e63084af46daade4b345927de6c1_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEzLTUtMS0xLTA_7179a678-7567-41a0-adfa-fe6ae314df33"
      unitRef="usd">36145000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo1NmQ5ZDJjMGNiNDQ0OWQyODAwNTlhOTFjYjg4ZjIxNS90YWJsZXJhbmdlOjU2ZDlkMmMwY2I0NDQ5ZDI4MDA1OWE5MWNiODhmMjE1XzEzLTctMS0xLTA_5b34ea33-02b2-43fa-96d9-1b2fd07f9455"
      unitRef="usd">400618000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="icabee3d623d040ecac969deed8e4efb8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzQtMS0xLTEtMA_62dcfa70-a234-4840-8e01-c02a121c467f"
      unitRef="usd">62250000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7c450133573b49adb46be8d9a69e7e46_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzQtMy0xLTEtMA_24b68292-c087-47fb-9513-78e65fe6da06"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7cf17374fd7c41dc90f6ffc1d8251dfc_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzQtNS0xLTEtMA_af87d016-1ffe-4905-b146-98e3d8acb3ee"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i5c925bab58954521b10075e271da16cd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzQtNy0xLTEtMA_18b37e30-81d1-43b9-9a20-9e7fe5a06ddc"
      unitRef="usd">62250000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="idfa7d0b838cd4abeb54c6078ab7dfdf2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzUtMS0xLTEtMA_e0624fc8-5e30-46ed-a76a-d7fcba28d3dc"
      unitRef="usd">83107000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ie9ad325eaf5c43a8a1c09bf0109ad016_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzUtMy0xLTEtMA_117c4649-b812-447d-b3fd-ff84645ce12e"
      unitRef="usd">20263000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2d3f6c157396414e8b2b1f787378ee90_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzUtNS0xLTEtMA_09045fad-5d4f-4702-b4bc-f29933aee351"
      unitRef="usd">17395000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7ef441566abb483594f536f64a893106_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzUtNy0xLTEtMA_496e63bd-f6c2-4e53-a74d-c9d82ac5be16"
      unitRef="usd">120765000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i20bc7d73a20642bfb49854170b2493c8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzctMS0xLTEtMA_183b992b-8cd0-48c5-bde0-0e95fd7a6ab0"
      unitRef="usd">10091000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i4c49150d1008475994ddda928bc86a6f_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzctMy0xLTEtMA_7cd3d4c4-c7f7-401e-9268-8db9081a1af8"
      unitRef="usd">18857000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i1511ef9ac89c466fae01a046c0e9413d_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzctNS0xLTEtMA_0c6433c0-f0b4-485a-9901-166009825fd7"
      unitRef="usd">3161000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i21a2d44a5f4342388883b111f3a788bb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzctNy0xLTEtMA_37c4a690-26ce-4fca-bba2-3d1b26ff4c2b"
      unitRef="usd">32109000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iadd40154ff8948c28040e9539889abf7_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzgtMS0xLTEtMA_aa4a1c01-5e08-4286-a149-a6c2f27b7014"
      unitRef="usd">106657000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="if602facb3b45413d8acbce1e308594b6_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzgtMy0xLTEtMA_54b09e7c-16f2-43cb-bba4-595392dc8f2b"
      unitRef="usd">2612000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib9eca0eaacd148bbbfb956870365464a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzgtNS0xLTEtMA_e90fb150-c536-4c1b-bdf5-67950d2261ac"
      unitRef="usd">4621000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i663793eebcae420cb11946071cdfc7a2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzgtNy0xLTEtMA_0f8d6840-c2db-4dc7-88a9-49bd797b076c"
      unitRef="usd">113890000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i17ffa7fad2ef4ef38b170c0c8f48d8eb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzktMS0xLTEtMA_660a1a52-3a9b-439e-970d-87f93b5f3899"
      unitRef="usd">40687000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i53cd8df1dfa74e06976868e3530264b6_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzktMy0xLTEtMA_d581ca95-1852-403e-b5a5-4289bb71134a"
      unitRef="usd">7587000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iaa4969fdd71e417fb878ea778277f39a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzktNS0xLTEtMA_4cbb0bf6-f04e-4488-8ffb-9c8439ccf49a"
      unitRef="usd">6185000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia81f8a3222a14086a5e0f30510972142_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzktNy0xLTEtMA_e3a8819f-5429-4fbb-b56e-59af1e15063e"
      unitRef="usd">54459000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i8668dcd481b44f4fac7798287ff8f848_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzExLTEtMS0xLTA_e6607493-a757-4ca9-a59c-6b8788fd5e45"
      unitRef="usd">302792000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="iaeb49ebf78a845f982a559f8469edda7_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzExLTMtMS0xLTA_016127b7-35ae-4c11-9fdb-9f8e07cf7790"
      unitRef="usd">49319000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i280f3f0a646e468393eccf396b135397_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzExLTUtMS0xLTA_7d68f4e1-47c0-45c3-9703-3990727a009a"
      unitRef="usd">31362000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia2a6d9350d3142869cf4f0a19fa8eac0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzExLTctMS0xLTA_a916c69d-eff3-4427-8be7-2012fd9588d8"
      unitRef="usd">383473000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ibd83317047cf4fce9f98fe45a86381c1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEyLTEtMS0xLTA_6e5262b7-7eb7-47ae-a9b6-5aa2433aa83f"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i5af2a595096645c290e1bacc15c6677a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEyLTMtMS0xLTA_9f7581d9-9fc7-4cc6-9009-9d93540ec771"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2a51b4bca5754cb88c7b904833eb2dd9_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEyLTUtMS0xLTA_f03b30be-f4f3-4510-8182-492bf959bf49"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i289faca188be4ae2a9ef54551117164a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEyLTctMS0xLTA_c3a9360f-be07-42e6-9bd9-3a1a5ffec09c"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i6e3f4c822615410baf96b60843b216a8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEzLTEtMS0xLTA_0ad93f86-5d39-455c-9797-38d0276c48d5"
      unitRef="usd">302792000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib9515f646ddd4fec89f1a97e1181d959_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEzLTMtMS0xLTA_8338308d-1364-41b6-8195-b13107101172"
      unitRef="usd">49319000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i5a571915db3f4bbda60eb099604bcd12_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEzLTUtMS0xLTA_3b6b4a89-c347-435e-aba6-40bad1d41c6a"
      unitRef="usd">31362000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTpmOGY2YTYzMDJmOTg0NGFlOGNkMzRjMDc4NTA0Y2FiNC90YWJsZXJhbmdlOmY4ZjZhNjMwMmY5ODQ0YWU4Y2QzNGMwNzg1MDRjYWI0XzEzLTctMS0xLTA_73fa19d8-bc08-4f76-b9ad-20b86e35bb0d"
      unitRef="usd">383473000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <smlp:ScheduleOfContractWithCustomerAssetTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzc0MzM_9f26e5b1-ce7e-4ed6-90a6-af562f253dd7">The following table provides information about contract assets from contracts with customers:&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Contract assets, beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;18,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Transfers out&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(973)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(20,710)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Contract assets, ending balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,327&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</smlp:ScheduleOfContractWithCustomerAssetTableTableTextBlock>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzItMS0xLTEtMA_809a287f-0a82-42c2-8148-152e0a58c506"
      unitRef="usd">2026000</us-gaap:ContractWithCustomerAssetNet>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i3669a3478d8a4a3a925cc3ad7b5cd91d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzItMy0xLTEtMA_ea244da1-c763-4094-9b70-43fd5397e487"
      unitRef="usd">3902000</us-gaap:ContractWithCustomerAssetNet>
    <smlp:ContractWithCustomerAssetAdditions
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzMtMS0xLTEtMA_129dfc9f-8f9e-46ff-bdfc-177a1a24762c"
      unitRef="usd">9274000</smlp:ContractWithCustomerAssetAdditions>
    <smlp:ContractWithCustomerAssetAdditions
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzMtMy0xLTEtMA_97c69b95-a0c3-44f5-8766-0388013a36f8"
      unitRef="usd">18834000</smlp:ContractWithCustomerAssetAdditions>
    <us-gaap:ContractWithCustomerAssetReclassifiedToReceivable
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzQtMS0xLTEtMA_5e4303d7-916b-45ec-baa4-9acd179a012f"
      unitRef="usd">-973000</us-gaap:ContractWithCustomerAssetReclassifiedToReceivable>
    <us-gaap:ContractWithCustomerAssetReclassifiedToReceivable
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzQtMy0xLTEtMA_310c53a6-3833-4fe3-af86-f51b4ed09b70"
      unitRef="usd">-20710000</us-gaap:ContractWithCustomerAssetReclassifiedToReceivable>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzUtMS0xLTEtMA_f0336f20-4b53-4a61-94af-819f10066218"
      unitRef="usd">10327000</us-gaap:ContractWithCustomerAssetNet>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90YWJsZTo2NmE1NjgxM2YwODQ0YTNlYjI3NmJiNDEzY2QxODk3ZC90YWJsZXJhbmdlOjY2YTU2ODEzZjA4NDRhM2ViMjc2YmI0MTNjZDE4OTdkXzUtMy0xLTEtMA_3b653239-2d91-4580-8b27-326baf1ef4d7"
      unitRef="usd">2026000</us-gaap:ContractWithCustomerAssetNet>
    <us-gaap:UnbilledContractsReceivable
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzE2NDkyNjc0NTY0MzM_b90c4bed-e993-4cdd-9052-804ad45f5156"
      unitRef="usd">50500000</us-gaap:UnbilledContractsReceivable>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzE2NDkyNjc0NTY1MDM_a63dc658-abf6-4e1f-864b-f2e91fbf4721"
      unitRef="usd">10300000</us-gaap:ContractWithCustomerAssetNet>
    <us-gaap:UnbilledContractsReceivable
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzY4MDE_1b2f0a22-72fb-448a-a4c1-6eb09593e0e8"
      unitRef="usd">57500000</us-gaap:UnbilledContractsReceivable>
    <us-gaap:ContractWithCustomerAssetNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNDUvZnJhZzpmMTRlNzk0OTJmMDE0MzI2YWY5MjFjMTJkZjQ2MTYxMi90ZXh0cmVnaW9uOmYxNGU3OTQ5MmYwMTQzMjZhZjkyMWMxMmRmNDYxNjEyXzgyNDYzMzcyMjkxODc_24136c14-8c5a-4754-a864-fcc60957c421"
      unitRef="usd">2000000.0</us-gaap:ContractWithCustomerAssetNet>
    <us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90ZXh0cmVnaW9uOjE1ZGNkZTVmMDg1ZDQ5MDY5NTI0NGM3MWQxOTliMTNhXzE2MDc_54ca30cd-86b9-4b23-b2a9-678f2518362f">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;4. PROPERTY, PLANT AND EQUIPMENT&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details on the Partnership&#x2019;s property, plant and equipment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gathering and processing systems and related equipment&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,225,267&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,213,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Construction in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;49,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;60,443&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Land and line fill&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,644&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,440&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;51,863&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;51,276&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,336,856&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,335,660&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(610,774)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(521,850)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Property, plant and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,726,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,813,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;When the carrying amount of a long-lived asset is not recoverable, an impairment is recognized equal to the excess of the asset&#x2019;s carrying value over its fair value, which is based on inputs that are not observable in the market, and thus represent Level 3 inputs under GAAP&#x2019;s fair value hierarchy. The Partnership recognized $10.2 million and $13.1 million of impairments during the fiscal years ended December&#160;31, 2021 and 2020, respectively. Due to the volatility of the inputs used, the Partnership cannot predict the likelihood of any future impairment. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation expense and capitalized interest for the Partnership follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Depreciation expense&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;90,711&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;86,263&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Capitalized interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,534&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock>
    <us-gaap:PropertyPlantAndEquipmentTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90ZXh0cmVnaW9uOjE1ZGNkZTVmMDg1ZDQ5MDY5NTI0NGM3MWQxOTliMTNhXzE2MDg_0701d971-1460-451e-bfb5-ba481489e9ed">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details on the Partnership&#x2019;s property, plant and equipment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gathering and processing systems and related equipment&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,225,267&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,213,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Construction in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;49,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;60,443&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Land and line fill&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,644&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,440&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;51,863&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;51,276&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,336,856&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,335,660&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(610,774)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(521,850)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Property, plant and equipment, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,726,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,813,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentTextBlock>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i8fa8fd08c8aa44288280bf5bedd1770a_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzItMS0xLTEtMA_a175db34-c08f-4897-9214-79b8db084b1f"
      unitRef="usd">2225267000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i355e0f536a0544c2a28d90d7ae122173_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzItMy0xLTEtMA_eecd1e1b-2fd9-4905-8306-e2d268cd1001"
      unitRef="usd">2213501000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="icc5111922c4944feb5945818c085e80b_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzMtMS0xLTEtMA_48dff543-747c-4ead-a9a4-3faee57dbd63"
      unitRef="usd">49082000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="ia485a7fc81d740ca9379e147b97a4748_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzMtMy0xLTEtMA_b520cfbe-a64c-4785-b60e-249312e471af"
      unitRef="usd">60443000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="ib1df12ccec7b46cba2d86b3c73dad0f7_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzQtMS0xLTEtMA_0336e698-132f-4d05-b27a-c7d16b8f1f68"
      unitRef="usd">10644000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i8305ec8740344922a447274a790579dc_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzQtMy0xLTEtMA_b06de849-7448-498c-b015-e3a03320c997"
      unitRef="usd">10440000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="ifa4149c61e094aea823ade2bcbe0984f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzUtMS0xLTEtMA_08cd02ac-a945-4453-9a9e-6c98f04d750f"
      unitRef="usd">51863000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i57a60ea6456149af8adafdbc7b0f019b_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzUtMy0xLTEtMA_f8449602-d2c2-4090-af8c-c4904560ea0e"
      unitRef="usd">51276000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzYtMS0xLTEtMA_cd6c284b-99c2-4ee4-8ba2-2dece92aa7bd"
      unitRef="usd">2336856000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzYtMy0xLTEtMA_369bb334-39ac-4cab-9acf-141fdff5732f"
      unitRef="usd">2335660000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzctMS0xLTEtMA_3ac4fb85-5c3a-46ca-8eb6-260cc1ef79b3"
      unitRef="usd">610774000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzctMy0xLTEtMA_55c88650-c5db-49a8-8225-677ac72dffe3"
      unitRef="usd">521850000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzgtMS0xLTEtMA_72737a14-1964-46b0-abb1-1d8e016fc156"
      unitRef="usd">1726082000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToyNTUyMjU4MTQ3ZmQ0NGU5OTNlMjc4NjhiYzM1MDIzYS90YWJsZXJhbmdlOjI1NTIyNTgxNDdmZDQ0ZTk5M2UyNzg2OGJjMzUwMjNhXzgtMy0xLTEtMA_3bc826a6-d153-4a43-81f7-a8f4fa80cbe3"
      unitRef="usd">1813810000</us-gaap:PropertyPlantAndEquipmentNet>
    <smlp:ImpairmentOfPropertyPlantAndEquipment
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90ZXh0cmVnaW9uOjE1ZGNkZTVmMDg1ZDQ5MDY5NTI0NGM3MWQxOTliMTNhXzQzOA_f1f8c3e2-8f10-4fdf-a21a-36fb50368da6"
      unitRef="usd">10200000</smlp:ImpairmentOfPropertyPlantAndEquipment>
    <smlp:ImpairmentOfPropertyPlantAndEquipment
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90ZXh0cmVnaW9uOjE1ZGNkZTVmMDg1ZDQ5MDY5NTI0NGM3MWQxOTliMTNhXzQ0NQ_ffcd6bf5-f76f-4073-b5d5-b72244ccc78f"
      unitRef="usd">13100000</smlp:ImpairmentOfPropertyPlantAndEquipment>
    <smlp:ScheduleOfDepreciationExpenseAndCapitalizedInterestCostsTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90ZXh0cmVnaW9uOjE1ZGNkZTVmMDg1ZDQ5MDY5NTI0NGM3MWQxOTliMTNhXzE2MDk_0653e70b-61e4-4f4e-977c-9dc40a7c0898">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation expense and capitalized interest for the Partnership follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Depreciation expense&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;90,711&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;86,263&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Capitalized interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,534&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:ScheduleOfDepreciationExpenseAndCapitalizedInterestCostsTableTableTextBlock>
    <us-gaap:Depreciation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToxZWRkMjE1NWY5MmY0NWMxOGNjYzczNDQ5NmMxZmVkYi90YWJsZXJhbmdlOjFlZGQyMTU1ZjkyZjQ1YzE4Y2NjNzM0NDk2YzFmZWRiXzMtMS0xLTEtMA_0e338c44-2cdf-41fd-a560-bd3d8c275450"
      unitRef="usd">90711000</us-gaap:Depreciation>
    <us-gaap:Depreciation
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToxZWRkMjE1NWY5MmY0NWMxOGNjYzczNDQ5NmMxZmVkYi90YWJsZXJhbmdlOjFlZGQyMTU1ZjkyZjQ1YzE4Y2NjNzM0NDk2YzFmZWRiXzMtMy0xLTEtMA_6372d83a-0e73-4c59-b7a5-83f1a89b69e6"
      unitRef="usd">86263000</us-gaap:Depreciation>
    <us-gaap:InterestCostsIncurredCapitalized
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToxZWRkMjE1NWY5MmY0NWMxOGNjYzczNDQ5NmMxZmVkYi90YWJsZXJhbmdlOjFlZGQyMTU1ZjkyZjQ1YzE4Y2NjNzM0NDk2YzFmZWRiXzQtMS0xLTEtMA_d984b36d-85e5-4055-b0fd-59bb9ca894b9"
      unitRef="usd">1534000</us-gaap:InterestCostsIncurredCapitalized>
    <us-gaap:InterestCostsIncurredCapitalized
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTEvZnJhZzoxNWRjZGU1ZjA4NWQ0OTA2OTUyNDRjNzFkMTk5YjEzYS90YWJsZToxZWRkMjE1NWY5MmY0NWMxOGNjYzczNDQ5NmMxZmVkYi90YWJsZXJhbmdlOjFlZGQyMTU1ZjkyZjQ1YzE4Y2NjNzM0NDk2YzFmZWRiXzQtMy0xLTEtMA_99ecdb5f-8fe8-4e29-9ac3-d404a65de237"
      unitRef="usd">3878000</us-gaap:InterestCostsIncurredCapitalized>
    <us-gaap:IntangibleAssetsDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90ZXh0cmVnaW9uOjQwMmQzNmVlNDY0YzRhOWM4NDFjZmNjYzg4ZTcxNzA1XzU0Ng_ed8d70f1-0232-4485-9170-b29663ace19a">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;5. AMORTIZING INTANGIBLE ASSETS&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details regarding the Partnership&#x2019;s intangible assets, all of which are subject to amortization, follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.280%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.622%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gross carrying amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accumulated amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;24,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(17,002)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;7,193&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;278,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(217,245)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;61,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;159,916&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(55,385)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;104,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total intangible assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;462,559&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(289,632)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;172,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.280%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.622%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gross carrying amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accumulated amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;24,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(16,064)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;278,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(195,243)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;83,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;157,271&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(49,041)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;108,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total intangible assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;459,914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(260,348)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;199,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognized amortization expense of its favorable gas gathering contracts in Other revenues as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognized amortization expense of its contract and right of way intangibles in costs and expenses as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,002&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,344&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership&#x2019;s estimated aggregate annual amortization expected to be recognized as of December&#160;31, 2021 for each of the five succeeding fiscal years follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,466&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,412&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,241&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,057&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,034&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;79,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;172,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:IntangibleAssetsDisclosureTextBlock>
    <us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90ZXh0cmVnaW9uOjQwMmQzNmVlNDY0YzRhOWM4NDFjZmNjYzg4ZTcxNzA1XzU0Nw_4ebca788-2945-4397-b931-e59cea110c97">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details regarding the Partnership&#x2019;s intangible assets, all of which are subject to amortization, follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.280%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.622%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gross carrying amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accumulated amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;24,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(17,002)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;7,193&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;278,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(217,245)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;61,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;159,916&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(55,385)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;104,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total intangible assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;462,559&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(289,632)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;172,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.280%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.622%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Gross carrying amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accumulated amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Net&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;24,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(16,064)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;278,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(195,243)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;83,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;157,271&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(49,041)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;108,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total intangible assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;459,914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(260,348)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;199,566&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="i5721ad2ed1c74c449b66c1e52f81495d_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzMtMS0xLTEtMA_129e0ef6-873d-4a35-a8ca-8e74fa5c9453"
      unitRef="usd">24195000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="i5721ad2ed1c74c449b66c1e52f81495d_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzMtMy0xLTEtMA_0337c906-1175-4d81-9c87-2336e5b837e0"
      unitRef="usd">17002000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i5721ad2ed1c74c449b66c1e52f81495d_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzMtNS0xLTEtMA_6f06bc27-9a3b-4269-a9d6-034a801dc0bd"
      unitRef="usd">7193000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="ie9d51890b22e46839c7609132c127e82_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzQtMS0xLTEtMA_7d715209-5ff4-4f97-a6b8-62dab6734c71"
      unitRef="usd">278448000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="ie9d51890b22e46839c7609132c127e82_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzQtMy0xLTEtMA_79f29343-a6f5-4e21-8c8d-d50b16da7f2b"
      unitRef="usd">217245000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="ie9d51890b22e46839c7609132c127e82_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzQtNS0xLTEtMA_129b5a71-7bd1-44a2-9b77-9c89ae1c3ddb"
      unitRef="usd">61203000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="ifa59cc08a1b34d3d92b74f41bcd3d84b_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzUtMS0xLTEtMA_591b1a08-80f1-4aff-a68a-c4584ac41b31"
      unitRef="usd">159916000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="ifa59cc08a1b34d3d92b74f41bcd3d84b_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzUtMy0xLTEtMA_8f6a322e-cf65-449c-b58c-b34f88be356c"
      unitRef="usd">55385000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="ifa59cc08a1b34d3d92b74f41bcd3d84b_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzUtNS0xLTEtMA_bfa53d4b-bfef-4615-8694-848e6f0bfa95"
      unitRef="usd">104531000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzYtMS0xLTEtMA_76fae296-f2f4-45e1-b645-13179466dd50"
      unitRef="usd">462559000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzYtMy0xLTEtMA_313f9435-8994-43f6-94e0-8f2cc764951e"
      unitRef="usd">289632000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToxNjJhMTI5OTg2N2Q0ZDBkYWI1MWUyMGNjMjE5MDNlOC90YWJsZXJhbmdlOjE2MmExMjk5ODY3ZDRkMGRhYjUxZTIwY2MyMTkwM2U4XzYtNS0xLTEtMA_a0ad3878-9369-4e07-a8f1-f9def2984155"
      unitRef="usd">172927000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="iaacf4737c15549e1b373e60285b85d24_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzMtMS0xLTEtMA_2d546a1a-782d-438f-a2f4-84363a66c7ea"
      unitRef="usd">24195000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="iaacf4737c15549e1b373e60285b85d24_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzMtMy0xLTEtMA_20163507-17b8-4428-afbf-06f8b24fa59f"
      unitRef="usd">16064000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="iaacf4737c15549e1b373e60285b85d24_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzMtNS0xLTEtMA_96e22afa-77dd-487a-99ec-d3ade37ce385"
      unitRef="usd">8131000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="i9d5d1e14f68b4387baee86565a9c63d5_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzQtMS0xLTEtMA_a0e3b649-b82d-4c8c-a140-5c8e9998272a"
      unitRef="usd">278448000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="i9d5d1e14f68b4387baee86565a9c63d5_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzQtMy0xLTEtMA_3ba3cde2-9f27-42a7-9955-bd0ab4cdcb00"
      unitRef="usd">195243000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i9d5d1e14f68b4387baee86565a9c63d5_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzQtNS0xLTEtMA_3d5383da-4895-4206-93ed-3660fbcc1127"
      unitRef="usd">83205000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="i57031f3eeb22441bbd52fb41c12edbbb_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzUtMS0xLTEtMA_51065c35-27b5-4099-b05f-2b96cc322164"
      unitRef="usd">157271000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="i57031f3eeb22441bbd52fb41c12edbbb_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzUtMy0xLTEtMA_fee789f7-509c-4b06-bd90-c6c89e22147c"
      unitRef="usd">49041000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i57031f3eeb22441bbd52fb41c12edbbb_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzUtNS0xLTEtMA_9888d45b-05ba-4e79-bccf-c2b3fd83f3c1"
      unitRef="usd">108230000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzYtMS0xLTEtMA_d7318767-48ea-4514-9c6d-6e4e45fc6138"
      unitRef="usd">459914000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzYtMy0xLTEtMA_76d297b5-0764-45dc-985e-0301c2bbb5aa"
      unitRef="usd">260348000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo1NWU4MmNlZTNmZDE0MjZkODU1MTYzMDhlYjNhZWYyYi90YWJsZXJhbmdlOjU1ZTgyY2VlM2ZkMTQyNmQ4NTUxNjMwOGViM2FlZjJiXzYtNS0xLTEtMA_39982d0f-df0e-4740-b81e-7e0ff50b4ef5"
      unitRef="usd">199566000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <smlp:ScheduleOfRecognizedAmortizationIncomeExpenseTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90ZXh0cmVnaW9uOjQwMmQzNmVlNDY0YzRhOWM4NDFjZmNjYzg4ZTcxNzA1XzU0NA_7bd2a9fe-f158-4d24-b15f-d6e4a20e1ed8">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognized amortization expense of its favorable gas gathering contracts in Other revenues as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; favorable gas gathering contracts&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognized amortization expense of its contract and right of way intangibles in costs and expenses as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; contract intangibles&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,002&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization expense &#x2013; rights-of-way&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,344&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:ScheduleOfRecognizedAmortizationIncomeExpenseTableTableTextBlock>
    <us-gaap:AdjustmentForAmortization
      contextRef="i695c62686b174fdc8d0fd628b44c104f_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo5NTBmZGI5NDUyZjE0NmYxYTcwNzUwNGM3YjdkOWU3OS90YWJsZXJhbmdlOjk1MGZkYjk0NTJmMTQ2ZjFhNzA3NTA0YzdiN2Q5ZTc5XzMtMS0xLTEtMA_29c1e9fa-8722-46f6-ad3c-4b608272dcb9"
      unitRef="usd">938000</us-gaap:AdjustmentForAmortization>
    <us-gaap:AdjustmentForAmortization
      contextRef="i9fbdf8f2dfc8459aad9ae0a21b4b8b98_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTo5NTBmZGI5NDUyZjE0NmYxYTcwNzUwNGM3YjdkOWU3OS90YWJsZXJhbmdlOjk1MGZkYjk0NTJmMTQ2ZjFhNzA3NTA0YzdiN2Q5ZTc5XzMtMy0xLTEtMA_e93cf3d8-5cb6-4702-8d00-40db07464a26"
      unitRef="usd">938000</us-gaap:AdjustmentForAmortization>
    <us-gaap:AdjustmentForAmortization
      contextRef="i0fc52e65b17c48249eb11f2eb6ab62ac_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToyOGZjYjJmYzJiM2Y0NDRmOTNjOWExNWJiMzBjMGNhMC90YWJsZXJhbmdlOjI4ZmNiMmZjMmIzZjQ0NGY5M2M5YTE1YmIzMGMwY2EwXzMtMS0xLTEtMA_b0efe4c3-d180-43b6-a11e-d004d1c60218"
      unitRef="usd">22002000</us-gaap:AdjustmentForAmortization>
    <us-gaap:AdjustmentForAmortization
      contextRef="ib4f23f4eef46431baf2c13044966dd26_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToyOGZjYjJmYzJiM2Y0NDRmOTNjOWExNWJiMzBjMGNhMC90YWJsZXJhbmdlOjI4ZmNiMmZjMmIzZjQ0NGY5M2M5YTE1YmIzMGMwY2EwXzMtMy0xLTEtMA_8e93b5af-250f-4648-adbe-947f3a59e51b"
      unitRef="usd">25694000</us-gaap:AdjustmentForAmortization>
    <us-gaap:AdjustmentForAmortization
      contextRef="i5576f058411c4cce8dde63b956a2e16c_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToyOGZjYjJmYzJiM2Y0NDRmOTNjOWExNWJiMzBjMGNhMC90YWJsZXJhbmdlOjI4ZmNiMmZjMmIzZjQ0NGY5M2M5YTE1YmIzMGMwY2EwXzQtMS0xLTEtMA_613a4fb6-979c-4eb0-ba10-9180635022d5"
      unitRef="usd">6344000</us-gaap:AdjustmentForAmortization>
    <us-gaap:AdjustmentForAmortization
      contextRef="i058af22332784e77b5e4a94addb924a0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZToyOGZjYjJmYzJiM2Y0NDRmOTNjOWExNWJiMzBjMGNhMC90YWJsZXJhbmdlOjI4ZmNiMmZjMmIzZjQ0NGY5M2M5YTE1YmIzMGMwY2EwXzQtMy0xLTEtMA_e448d9f9-cda4-490f-98a4-a37aa28ab8c7"
      unitRef="usd">6175000</us-gaap:AdjustmentForAmortization>
    <us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90ZXh0cmVnaW9uOjQwMmQzNmVlNDY0YzRhOWM4NDFjZmNjYzg4ZTcxNzA1XzU0NQ_6fe04701-d1c1-4b33-9d4d-0d786f2e6538">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership&#x2019;s estimated aggregate annual amortization expected to be recognized as of December&#160;31, 2021 for each of the five succeeding fiscal years follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,466&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,412&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,241&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,057&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,034&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;79,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;172,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzItMS0xLTEtMA_3acf76e2-295a-4163-8999-5748b69bf76b"
      unitRef="usd">25466000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzMtMS0xLTEtMA_9af15900-b198-4995-ab3d-0e58ea5e0220"
      unitRef="usd">25412000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzQtMS0xLTEtMA_76f5aa36-6577-4923-b67d-ba89f8436ace"
      unitRef="usd">15241000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzUtMS0xLTEtMA_54120b47-91bc-40ef-b2fd-658e3e5626c9"
      unitRef="usd">15057000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzYtMS0xLTEtMA_06a07c11-444f-4634-bccd-17ca3ff2412c"
      unitRef="usd">12034000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive>
    <us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzctMS0xLTEtMjE0MjI_f5f2c795-6207-4ab3-a23d-658253355dd3"
      unitRef="usd">79717000</us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive>
    <us-gaap:FiniteLivedIntangibleAssetsNet
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNTQvZnJhZzo0MDJkMzZlZTQ2NGM0YTljODQxY2ZjY2M4OGU3MTcwNS90YWJsZTpjNWNiZjliZDg0YTc0ZjYzYTVmMmIzZmJiYzg5YWZhZC90YWJsZXJhbmdlOmM1Y2JmOWJkODRhNzRmNjNhNWYyYjNmYmJjODlhZmFkXzctMS0xLTEtMjU3ODY_60af4632-4d6b-4939-a260-cd6a523886d6"
      unitRef="usd">172927000</us-gaap:FiniteLivedIntangibleAssetsNet>
    <us-gaap:EquityMethodInvestmentsDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzU1MDI_d5f601f3-fbca-494a-888c-2c8766234aab">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;6. EQUITY METHOD INVESTMENTS&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership has equity method investments in Double E and Ohio Gathering, the balances of which are included in the Investment in equity method investees caption on the consolidated balance sheets. Details of the Partnership&#x2019;s equity method investments follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:70.976%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Double E&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;280,952&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;132,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Ohio Gathering&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;242,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;523,196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;392,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Double E.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership, through its wholly-owned subsidiary Summit Permian Transmission, LLC, has a 70% ownership in Double E Pipeline, LLC (the &#x201c;Double E&#x201d;).&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Double E owns a long-haul natural gas pipeline (the &#x201c;Double E Pipeline&#x201d;) that provides transportation service for residue natural gas from multiple receipt points in the Delaware Basin to various delivery points in and around the Waha hub in Texas.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Double E Pipeline commenced operations in November 2021 and during the years ended December 31, 2021 and 2020, the Partnership made cash investments of $148.7 million and $99.9 million, respectively, in Double E, with such amounts including $3.0 million and $2.7&#160;million of capitalized interest, respectively. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Double E is deemed to be a variable interest entity as defined in GAAP. Summit Permian Transmission was not deemed to be the primary beneficiary of Double E due to the voting rights of Double E&#x2019;s other owner regarding significant matters. The Partnership accounts for its ownership interest in Double E as an equity method investment because it has significant influence over Double E. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the years ended December 31, 2021 and 2020, other than the investment activity noted above, Double E did not have any material results of operations given that the Double E Pipeline commenced operations in November 2021.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;At December 31, 2021 and 2020, the Partnership&#x2019;s carrying amount of its interest in Double E approximated its underlying investment. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized balance sheet information for Double E follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.069%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.072%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,060&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;410,731&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;197,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;423,084&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;200,523&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,836&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,281&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;33,117&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized statements of operations information for Double E follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.069%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.072%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Year Ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total operating expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,281&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,604&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,702)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,604)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Ohio Gathering.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership has investments in OGC and OCC that it collectively refers to as Ohio Gathering. Ohio Gathering owns, operates and is currently developing midstream infrastructure consisting of a liquids-rich natural gas gathering system, a dry natural gas gathering system and a condensate stabilization facility in the Utica Shale in southeastern Ohio. Ohio Gathering provides gathering services pursuant to primarily long-term, fee-based gathering agreements, which include acreage dedications. The Partnership made its initial investment in Ohio Gathering in 2014 and owned approximately 38%  of Ohio Gathering at December 31, 2021 and 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Ohio Gathering is accounted for as an equity method investment because it has joint control with non-affiliated owners, which gives the Partnership significant influence.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A reconciliation of the difference between the carrying amount of the Partnership&#x2019;s interest in Ohio Gathering and the Partnership&#x2019;s underlying investment in Ohio Gathering, per Ohio Gathering&#x2019;s books and records, is shown below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Investment in Ohio Gathering, December 31&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;242,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;December cash distributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,222&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,748&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Impairment loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,971&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Basis difference&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;207,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;216,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Investment in Ohio Gathering (Books and records), November 30,&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;454,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;479,227&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized balance sheet information for OGC and OCC follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;November 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;November 30, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,967&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,300&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,189,921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,240,090&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;290&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,226,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,272,494&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,192&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,984&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,424&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,982&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,441&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,146&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,838&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,031&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,128&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized statements of operations information for OGC and OCC follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Twelve months&#160;ended&lt;br/&gt;November 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Twelve months&#160;ended&lt;br/&gt;November 30, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;102,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12,614&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;114,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total operating expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;95,399&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;103,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;38,502&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,742&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,496&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(25,571)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:EquityMethodInvestmentsDisclosureTextBlock>
    <us-gaap:EquityMethodInvestmentsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1Xzg3OTYwOTMwMzYwMjM_68430399-dc1e-4bec-8afb-e5af9dc04fed">Details of the Partnership&#x2019;s equity method investments follows.&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:70.976%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Double E&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;280,952&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;132,852&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Ohio Gathering&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;242,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;523,196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;392,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized balance sheet information for Double E follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.069%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.072%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,353&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,060&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;410,731&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;197,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;423,084&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;200,523&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22,836&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,281&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;33,117&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized statements of operations information for Double E follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.069%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:25.072%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Year Ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total operating expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,281&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,604&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,702)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,604)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A reconciliation of the difference between the carrying amount of the Partnership&#x2019;s interest in Ohio Gathering and the Partnership&#x2019;s underlying investment in Ohio Gathering, per Ohio Gathering&#x2019;s books and records, is shown below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Investment in Ohio Gathering, December 31&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;242,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;December cash distributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,222&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,748&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Impairment loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,971&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Basis difference&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;207,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;216,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Investment in Ohio Gathering (Books and records), November 30,&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;454,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;479,227&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized balance sheet information for OGC and OCC follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;November 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;November 30, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,967&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,300&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,189,921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,240,090&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;290&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,226,888&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,272,494&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,192&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,984&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,424&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,982&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Noncurrent liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,441&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,146&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,838&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,031&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,128&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summarized statements of operations information for OGC and OCC follows (amounts represent 100% of investee financial information).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Twelve months&#160;ended&lt;br/&gt;November 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Twelve months&#160;ended&lt;br/&gt;November 30, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OGC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;OCC&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;102,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12,614&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;114,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total operating expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;95,399&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;103,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;38,502&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,742&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,496&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(25,571)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:EquityMethodInvestmentsTextBlock>
    <us-gaap:EquityMethodInvestments
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzItMS0xLTEtMjU4MDA_9bb74189-745b-4636-8e35-d666a256ecad"
      unitRef="usd">280952000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzItMy0xLTEtMjU4MDA_dcfa1dd4-402b-480a-a9f2-0d0212dfc0ee"
      unitRef="usd">132852000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i8ba0846445eb4297a390783e201f243a_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzMtMS0xLTEtMjU4MDA_07ac9083-eb46-477b-90d7-a01637d09ca2"
      unitRef="usd">242244000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i76a860585dcc44d88f714d6cd9bec592_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzMtMy0xLTEtMjU4MDA_1a5780ed-88f7-4407-921d-6578b9389db6"
      unitRef="usd">259888000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzQtMS0xLTEtMjU4MDA_94bfd244-3e43-4af2-9fd4-aaba94ed319c"
      unitRef="usd">523196000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo1MTgxZWJhZDA0ZWU0Y2I4OTI4YTA5NDQ2YjExZGNkOS90YWJsZXJhbmdlOjUxODFlYmFkMDRlZTRjYjg5MjhhMDk0NDZiMTFkY2Q5XzQtMy0xLTEtMjU4MDA_05f9c8bb-4de0-44fc-9436-cba7fd1170b7"
      unitRef="usd">392740000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestmentOwnershipPercentage
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzgyNDYzMzcyMjk3NDU_3d3747fb-4935-48df-a1e7-39388567f6a9"
      unitRef="number">0.70</us-gaap:EquityMethodInvestmentOwnershipPercentage>
    <us-gaap:PaymentsToAcquireEquityMethodInvestments
      contextRef="i1fe9e6f4242d43c7a32be4d079da4995_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzgyNDYzMzcyMjk3Nzk_11cdaea3-9a7f-477f-911a-6e85e4abb023"
      unitRef="usd">148700000</us-gaap:PaymentsToAcquireEquityMethodInvestments>
    <us-gaap:PaymentsToAcquireEquityMethodInvestments
      contextRef="ife839f0c01864bb08e9cf888d45b7acb_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzgyNDYzMzcyMjk4MTE_f882e9a2-74bc-4e34-8a44-07aedd43be4e"
      unitRef="usd">99900000</us-gaap:PaymentsToAcquireEquityMethodInvestments>
    <us-gaap:InterestPaidCapitalized
      contextRef="i1fe9e6f4242d43c7a32be4d079da4995_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzE2NDkyNjc0NTU2NDk_fc2dc93e-6431-4500-83a2-9d39fbc98d11"
      unitRef="usd">3000000</us-gaap:InterestPaidCapitalized>
    <us-gaap:InterestPaidCapitalized
      contextRef="ife839f0c01864bb08e9cf888d45b7acb_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzE2NDkyNjc0NTU2NTM_fa5fa20d-d55e-47fd-9a4a-24569b666bfa"
      unitRef="usd">2700000</us-gaap:InterestPaidCapitalized>
    <us-gaap:AssetsCurrent
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzItMS0xLTEtNDI0ODU_305fdceb-cb57-4bf2-ae38-218db5292395"
      unitRef="usd">12353000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzItMy0xLTEtNDI0ODU_07d83296-2501-4bf3-a051-0f1cb0097cab"
      unitRef="usd">3060000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzMtMS0xLTEtNDI0ODU_68035762-3ec1-4656-a14f-2e35f74b4e7b"
      unitRef="usd">410731000</us-gaap:AssetsNoncurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzMtMy0xLTEtNDI0ODU_ccb4167f-5a4c-49f9-9264-9ff01289944d"
      unitRef="usd">197463000</us-gaap:AssetsNoncurrent>
    <us-gaap:Assets
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzQtMS0xLTEtNDI0ODU_81b522b3-26a3-4c80-ab72-a9ba33dcf43d"
      unitRef="usd">423084000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzQtMy0xLTEtNDI0ODU_0b98c941-68d9-4e93-b6d6-bf05eed2144e"
      unitRef="usd">200523000</us-gaap:Assets>
    <us-gaap:LiabilitiesCurrent
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzYtMS0xLTEtNDI0ODU_169cbf25-0fe6-4b4b-9971-830fddf17312"
      unitRef="usd">22836000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzYtMy0xLTEtNDI0ODU_4c50396e-4bd8-4cec-bd32-05ecd26917d2"
      unitRef="usd">12479000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzctMS0xLTEtNDI0ODU_5c678fae-8c4d-4834-bbe3-0ad842fa7bab"
      unitRef="usd">10281000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzctMy0xLTEtNDI0ODU_8c6c81ca-bf01-46b8-9ba9-3eb34da570b1"
      unitRef="usd">4452000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:Liabilities
      contextRef="i936afa577eeb42c0953b941bff54417f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzgtMS0xLTEtNDI0ODU_9b651d03-6bf2-4599-9a43-14054e928643"
      unitRef="usd">33117000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="i151b1df6443f40088ec6334237e45c09_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo3MTNiZWY0OGQ4ZWY0Yzc5ODEwNzk4OWRmZTFkN2Y2NS90YWJsZXJhbmdlOjcxM2JlZjQ4ZDhlZjRjNzk4MTA3OTg5ZGZlMWQ3ZjY1XzgtMy0xLTEtNDI0ODU_99fb760b-0bdd-43f7-ace6-2be2da6a1f89"
      unitRef="usd">16931000</us-gaap:Liabilities>
    <us-gaap:Revenues
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzItMS0xLTEtNDI0ODg_afa1222f-6d7a-48b2-94a3-2ecb97a95cb8"
      unitRef="usd">3579000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzItMy0xLTEtNDI0ODg_3bd3d1f1-d632-4bf0-866b-2b1102dff687"
      unitRef="usd">0</us-gaap:Revenues>
    <us-gaap:CostOfRevenue
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzMtMS0xLTEtNDI0ODg_efffcf5a-fc25-4c55-aff9-96cae1fbce9d"
      unitRef="usd">5281000</us-gaap:CostOfRevenue>
    <us-gaap:CostOfRevenue
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzMtMy0xLTEtNDI0ODg_7fd143da-16d0-4de4-9e39-82e37ccd9768"
      unitRef="usd">2604000</us-gaap:CostOfRevenue>
    <us-gaap:ProfitLoss
      contextRef="i1fe9e6f4242d43c7a32be4d079da4995_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzQtMS0xLTEtNDI0ODg_0cca7f86-3060-47a6-9c4f-5dd2e7df9e79"
      unitRef="usd">-1702000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="ife839f0c01864bb08e9cf888d45b7acb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Nzk2MWM0MjY1Yjc0MzUwOWE1NjlkNGUzZmY0OTUxMi90YWJsZXJhbmdlOjY3OTYxYzQyNjViNzQzNTA5YTU2OWQ0ZTNmZjQ5NTEyXzQtMy0xLTEtNDI0ODg_22a75f71-8892-4bc9-b506-104c6d39f5e1"
      unitRef="usd">-2604000</us-gaap:ProfitLoss>
    <us-gaap:EquityMethodInvestmentOwnershipPercentage
      contextRef="i86ffb27a584741b7a38234fa78facbff_I20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90ZXh0cmVnaW9uOmNjNTliOWI4MmQyOTQ2ZTQ5MzAyMTY1N2UwY2YyYWQ1XzE2NDkyNjc0NTU1MDk_a9289621-c48a-4272-bc13-384d2dcd44dc"
      unitRef="number">0.38</us-gaap:EquityMethodInvestmentOwnershipPercentage>
    <us-gaap:EquityMethodInvestments
      contextRef="iec423fe923374146bb3ea038a9514589_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzItMS0xLTEtMA_a59bcdd9-d59a-47bd-90a2-54313a439155"
      unitRef="usd">242244000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="ib091c7823aea416a8b70f1f5f931d28a_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzItMy0xLTEtMA_36ec2dda-5b7e-4e83-ac42-0b89caadd367"
      unitRef="usd">259888000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestmentDividendsOrDistributions
      contextRef="iafc631373e934a5bb7ebe5f9e651e7c3_D20210101-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzMtMS0xLTEtMA_65ad6663-1f90-42c4-ad58-d45511085055"
      unitRef="usd">2222000</us-gaap:EquityMethodInvestmentDividendsOrDistributions>
    <us-gaap:EquityMethodInvestmentDividendsOrDistributions
      contextRef="i0295e5958f174632a805771c0df60c6d_D20200101-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzMtMy0xLTEtMA_0e203ecb-f547-41dc-a697-31b0c78da32c"
      unitRef="usd">2748000</us-gaap:EquityMethodInvestmentDividendsOrDistributions>
    <us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment
      contextRef="iafc631373e934a5bb7ebe5f9e651e7c3_D20210101-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzQtMS0xLTEtMzAxMjM_2284389c-233a-46db-a1e6-32f7b872e891"
      unitRef="usd">1971000</us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment>
    <us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment
      contextRef="i0295e5958f174632a805771c0df60c6d_D20200101-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzQtMy0xLTEtMzAxMjM_5a2f19df-184a-444d-9e04-dac3d2e0a1b0"
      unitRef="usd">0</us-gaap:EquityMethodInvestmentOtherThanTemporaryImpairment>
    <smlp:EquityMethodInvestmentAmortizationofDifferenceBetweenCarryingAmountandUnderlyingEquity
      contextRef="iafc631373e934a5bb7ebe5f9e651e7c3_D20210101-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzUtMS0xLTEtMA_e54c5007-d082-4254-ab41-ea6c6a9aabdd"
      unitRef="usd">207927000</smlp:EquityMethodInvestmentAmortizationofDifferenceBetweenCarryingAmountandUnderlyingEquity>
    <smlp:EquityMethodInvestmentAmortizationofDifferenceBetweenCarryingAmountandUnderlyingEquity
      contextRef="i0295e5958f174632a805771c0df60c6d_D20200101-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzUtMy0xLTEtMA_7b3e0428-9ca6-4459-881a-4a5a73be0dd0"
      unitRef="usd">216591000</smlp:EquityMethodInvestmentAmortizationofDifferenceBetweenCarryingAmountandUnderlyingEquity>
    <smlp:EquityMethodInvestmentOther
      contextRef="iafc631373e934a5bb7ebe5f9e651e7c3_D20210101-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzYtMS0xLTEtMzAxMzI_a84b9719-3a82-440d-9dab-cc4e954dd61d"
      unitRef="usd">137000</smlp:EquityMethodInvestmentOther>
    <smlp:EquityMethodInvestmentOther
      contextRef="i0295e5958f174632a805771c0df60c6d_D20200101-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzYtMy0xLTEtMzAxMzI_772411ce-5f9f-4191-96f1-b20da1bc2faa"
      unitRef="usd">0</smlp:EquityMethodInvestmentOther>
    <us-gaap:EquityMethodInvestments
      contextRef="i31b8f15a757f48ffbc39f4e63239e870_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzYtMS0xLTEtMA_06fe06e5-98f4-450c-97a8-9a89e9a9cd71"
      unitRef="usd">454501000</us-gaap:EquityMethodInvestments>
    <us-gaap:EquityMethodInvestments
      contextRef="ia5ac0b593d7c496f9c3fd8a25c4c301a_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo4ZDgxYmFjZDZjODg0MDMwOTRjYTk2N2VjOGZlZWU5ZS90YWJsZXJhbmdlOjhkODFiYWNkNmM4ODQwMzA5NGNhOTY3ZWM4ZmVlZTllXzYtMy0xLTEtMA_55890911-38eb-4884-9e67-931605ae9ecd"
      unitRef="usd">479227000</us-gaap:EquityMethodInvestments>
    <us-gaap:AssetsCurrent
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzMtMS0xLTEtMA_ef8e3e7a-34e9-4474-8ad7-929c9b09cd64"
      unitRef="usd">36967000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzMtMy0xLTEtMA_c2739a87-ea80-423f-b206-4bb24e9ab9a5"
      unitRef="usd">5300000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzMtNS0xLTEtMA_22c4a69f-335b-45d8-b0e4-aa9e956bf4cd"
      unitRef="usd">32404000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzMtNy0xLTEtMA_e0794d20-a84f-4e5b-8657-e30287699fab"
      unitRef="usd">4902000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzQtMS0xLTEtMA_1099362b-0e0e-4839-8460-23a1b3f73076"
      unitRef="usd">1189921000</us-gaap:AssetsNoncurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzQtMy0xLTEtMA_31c4fc7f-1f91-492a-8855-6a1e95d891b7"
      unitRef="usd">961000</us-gaap:AssetsNoncurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzQtNS0xLTEtMA_943be8f6-53b0-4ded-81e3-c079fb134301"
      unitRef="usd">1240090000</us-gaap:AssetsNoncurrent>
    <us-gaap:AssetsNoncurrent
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzQtNy0xLTEtMA_ac65e29d-987e-4573-82d4-22a00bc8b7cd"
      unitRef="usd">290000</us-gaap:AssetsNoncurrent>
    <us-gaap:Assets
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzUtMS0xLTEtMA_571b0033-014b-475f-a70c-cd0ca5ab47e6"
      unitRef="usd">1226888000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzUtMy0xLTEtMA_f1701af0-9a60-4865-9235-4b0e9e7038f2"
      unitRef="usd">6261000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzUtNS0xLTEtMA_8c1357af-14be-4d3c-909d-aebbb48f4ddc"
      unitRef="usd">1272494000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzUtNy0xLTEtMA_a28dbf0c-9270-4309-bf44-94ee58c9cd9d"
      unitRef="usd">5192000</us-gaap:Assets>
    <us-gaap:LiabilitiesCurrent
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzctMS0xLTEtMA_841590d2-6b15-493f-b98c-eb5f1c77603e"
      unitRef="usd">7984000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzctMy0xLTEtMA_5a0b39bc-b124-4174-a585-6b3673ab7518"
      unitRef="usd">3104000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzctNS0xLTEtMA_dcabdaec-7819-4e47-bf27-87ea700c7dc9"
      unitRef="usd">8424000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesCurrent
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzctNy0xLTEtMA_60b60c80-2d2b-4a38-ba77-433c4d1fd425"
      unitRef="usd">2982000</us-gaap:LiabilitiesCurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzgtMS0xLTEtMA_3bd6850c-60fa-40b0-b010-d0e3dcd932c9"
      unitRef="usd">9854000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzgtMy0xLTEtMA_78a05753-da84-44cc-aa0f-c3c6fff42c55"
      unitRef="usd">4927000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzgtNS0xLTEtMA_6a99ff88-b88a-47a2-bcf7-6e49c46f5697"
      unitRef="usd">8441000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:LiabilitiesNoncurrent
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzgtNy0xLTEtMA_4f2e2cae-1035-49ca-8d83-be11c80d7ef0"
      unitRef="usd">5146000</us-gaap:LiabilitiesNoncurrent>
    <us-gaap:Liabilities
      contextRef="ie99059f22ab74fd08df3e75c11764349_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzktMS0xLTEtMA_7884f3a1-d39a-4ac6-8ad8-1085c26bc179"
      unitRef="usd">17838000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="i549143b3ebe14f7db705e52334d3c993_I20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzktMy0xLTEtMA_74187afe-4a59-419c-a091-3eb80ba31d33"
      unitRef="usd">8031000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="ie7795888772448e887d31b56064addb7_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzktNS0xLTEtMA_b717dec6-a76d-4601-b8c7-b81b75723ff9"
      unitRef="usd">16865000</us-gaap:Liabilities>
    <us-gaap:Liabilities
      contextRef="i6cf8e00a8f1c43fdb9b2ed84f4dfe1ea_I20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo0NWZiYzM0NTBjN2Y0ZDc0OWFjNTg1ZjlhODNlMWI0OC90YWJsZXJhbmdlOjQ1ZmJjMzQ1MGM3ZjRkNzQ5YWM1ODVmOWE4M2UxYjQ4XzktNy0xLTEtMA_a297bb1d-e686-46a3-b3ef-751b2583e08c"
      unitRef="usd">8128000</us-gaap:Liabilities>
    <us-gaap:Revenues
      contextRef="i1b3242193d9a42029191a82bc407c819_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzMtMS0xLTEtMA_91c7a570-0380-4330-b124-24e8e33dae1d"
      unitRef="usd">102140000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i1f09aca3c5904b43a5fc4f92bf451209_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzMtMy0xLTEtMA_d0de66b5-881c-484e-bde3-abd5380c4f70"
      unitRef="usd">12614000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i1c426f10d43a4fd1b4928772f0222440_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzMtNS0xLTEtMA_92fbb8ea-dfa8-4d86-8809-6a8a7747862c"
      unitRef="usd">114524000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="i4388a5be5f5943109bc59866600bbd78_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzMtNy0xLTEtMA_92d34fcd-453e-4383-9f56-6409adf1442c"
      unitRef="usd">12931000</us-gaap:Revenues>
    <us-gaap:CostOfRevenue
      contextRef="i1b3242193d9a42029191a82bc407c819_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzQtMS0xLTEtMA_7a0bd4c6-e5c3-4671-9b0d-463a5aa10fd6"
      unitRef="usd">95399000</us-gaap:CostOfRevenue>
    <us-gaap:CostOfRevenue
      contextRef="i1f09aca3c5904b43a5fc4f92bf451209_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzQtMy0xLTEtMA_2151e45b-0aa9-4e5e-b9dd-5b4ad0287124"
      unitRef="usd">11419000</us-gaap:CostOfRevenue>
    <us-gaap:CostOfRevenue
      contextRef="i1c426f10d43a4fd1b4928772f0222440_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzQtNS0xLTEtMA_d96fe86b-c82f-4328-b982-adf6a194d1af"
      unitRef="usd">103020000</us-gaap:CostOfRevenue>
    <us-gaap:CostOfRevenue
      contextRef="i4388a5be5f5943109bc59866600bbd78_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzQtNy0xLTEtMA_42b1e8bc-87a3-408f-be04-9ba7ac767a09"
      unitRef="usd">38502000</us-gaap:CostOfRevenue>
    <us-gaap:ProfitLoss
      contextRef="i1b3242193d9a42029191a82bc407c819_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzUtMS0xLTEtMA_2ecf57cf-b875-428a-98a6-9606b11afe7d"
      unitRef="usd">6742000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i1f09aca3c5904b43a5fc4f92bf451209_D20201201-20211130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzUtMy0xLTEtMA_033d25c1-a4ff-4490-bb38-fdf4cd7b0cea"
      unitRef="usd">1169000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i1c426f10d43a4fd1b4928772f0222440_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzUtNS0xLTEtMA_b4296a14-dff4-4013-8c3e-01ab6c864990"
      unitRef="usd">11496000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i4388a5be5f5943109bc59866600bbd78_D20191201-20201130"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjAvZnJhZzpjYzU5YjliODJkMjk0NmU0OTMwMjE2NTdlMGNmMmFkNS90YWJsZTo2Y2U3ZmViNWJiN2U0NDdlYWJjYzk2ODNkYjA0YWQxOC90YWJsZXJhbmdlOjZjZTdmZWI1YmI3ZTQ0N2VhYmNjOTY4M2RiMDRhZDE4XzUtNy0xLTEtMA_03060c12-8b18-4200-a22c-c99d12f9a3d2"
      unitRef="usd">-25571000</us-gaap:ProfitLoss>
    <smlp:ContractWithCustomerLiabilityDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90ZXh0cmVnaW9uOjJhMDliOTUxYTc3ODQwYWI4ODU3N2EzYzg3MTllZTNkXzIzOTE_e935f4c6-8841-48c2-a2dd-3e1b768d74c6">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;7. DEFERRED REVENUE&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Certain of the Partnership&#x2019;s gathering and/or processing agreements provide for monthly or annual MVCs. The amount of the shortfall payment is based on the difference between the actual throughput volume shipped and/or processed for the applicable period and the MVC for the applicable period, multiplied by the applicable gathering or processing fee.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Many of&#160;the Partnership&#x2019;s&#160;gas gathering agreements contain provisions that can reduce or delay the cash flows that&#160;it&#160;expects&#160;to receive from MVCs to the extent that a customer's actual throughput volumes are above or below its MVC for the applicable contracted measurement period. These provisions include the following:&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:72pt;text-indent:-36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:32.5pt"&gt;To the extent that a customer's throughput volumes are less than its MVC for the applicable period and the customer makes a shortfall payment, it may be entitled to an offset in one or more subsequent periods to the extent that its throughput volumes in subsequent periods exceed its MVC for those periods. In such a situation, the Partnership would not receive gathering fees on throughput in excess of that customer's MVC &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:72pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(depending on the terms of the specific gas gathering agreement) to the extent that the customer had made a shortfall payment with respect to one or more preceding measurement periods (as applicable).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:72pt;text-indent:-36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:32.5pt"&gt;To the extent that a customer's throughput volumes exceed its MVC in the applicable contracted measurement period, it may be entitled to apply the excess throughput against its aggregate MVC, thereby reducing the period for which its annual MVC applies. As a result of this mechanism, the weighted-average remaining period for which the Partnership&#x2019;s MVCs apply will be less than the weighted-average of the originally stated MVC contractual terms.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:72pt;text-indent:-36pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:32.5pt"&gt;To the extent that certain of the Partnership&#x2019;s customers' throughput volumes exceed its MVC for the applicable period, there is a crediting mechanism that allows the customer to build a bank of credits that it can utilize in the future to reduce shortfall payments owed in subsequent periods, subject to expiration if there is no shortfall in subsequent periods. The period over which this credit bank can be applied to future shortfall payments varies, depending on the particular gas gathering agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The balances in deferred revenue as of December 31, 2021 and 2020 are primarily related to contributions in aid of construction which will be recognized as revenue over the life of the contract. A rollforward of current deferred revenue follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Current deferred revenue, January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,956&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: revenue recognized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,570)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Current deferred revenue, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of noncurrent deferred revenue follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncurrent deferred revenue, January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,304&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: reclassification to current deferred revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,984)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncurrent deferred revenue, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;42,570&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:ContractWithCustomerLiabilityDisclosureTextBlock>
    <us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90ZXh0cmVnaW9uOjJhMDliOTUxYTc3ODQwYWI4ODU3N2EzYzg3MTllZTNkXzIzOTI_e8dc2316-11d6-44b2-97b2-eb177668f7e2">A rollforward of current deferred revenue follows.&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Current deferred revenue, January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,956&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: revenue recognized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,570)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Current deferred revenue, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of noncurrent deferred revenue follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncurrent deferred revenue, January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,304&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: reclassification to current deferred revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(6,984)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncurrent deferred revenue, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;42,570&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTpjZGJmZjdmMGQ1M2Y0MzNjOTgxYjdjMzgzNmFmM2RjNy90YWJsZXJhbmdlOmNkYmZmN2YwZDUzZjQzM2M5ODFiN2MzODM2YWYzZGM3XzItMS0xLTEtMA_66789325-361b-48e6-92f3-b72c88b904a1"
      unitRef="usd">9988000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <smlp:ContractWithCustomerLiabilityCurrentAdditions
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTpjZGJmZjdmMGQ1M2Y0MzNjOTgxYjdjMzgzNmFmM2RjNy90YWJsZXJhbmdlOmNkYmZmN2YwZDUzZjQzM2M5ODFiN2MzODM2YWYzZGM3XzMtMS0xLTEtMA_e93ca35c-cc71-448a-86f9-1bb5d1b8efaa"
      unitRef="usd">6956000</smlp:ContractWithCustomerLiabilityCurrentAdditions>
    <smlp:ContractWithCustomerLiabilityCurrentRevenueRecognized
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTpjZGJmZjdmMGQ1M2Y0MzNjOTgxYjdjMzgzNmFmM2RjNy90YWJsZXJhbmdlOmNkYmZmN2YwZDUzZjQzM2M5ODFiN2MzODM2YWYzZGM3XzQtMS0xLTEtMA_fee8ae44-f0b9-4461-bc4b-4679b442325b"
      unitRef="usd">6570000</smlp:ContractWithCustomerLiabilityCurrentRevenueRecognized>
    <us-gaap:ContractWithCustomerLiabilityCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTpjZGJmZjdmMGQ1M2Y0MzNjOTgxYjdjMzgzNmFmM2RjNy90YWJsZXJhbmdlOmNkYmZmN2YwZDUzZjQzM2M5ODFiN2MzODM2YWYzZGM3XzUtMS0xLTEtMA_f34fbca4-b8f2-403f-a9ec-2466181e5b4e"
      unitRef="usd">10374000</us-gaap:ContractWithCustomerLiabilityCurrent>
    <us-gaap:ContractWithCustomerLiabilityNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTo4NDNhNjE2MzViNGU0MGZlOTMxMzE5ZjgzNjJhNjQ4OC90YWJsZXJhbmdlOjg0M2E2MTYzNWI0ZTQwZmU5MzEzMTlmODM2MmE2NDg4XzItMS0xLTEtMA_cef2d4fb-bbfd-41f8-a507-d65bb22c916b"
      unitRef="usd">48250000</us-gaap:ContractWithCustomerLiabilityNoncurrent>
    <smlp:ContractWithCustomerLiabilityNoncurrentAdditions
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTo4NDNhNjE2MzViNGU0MGZlOTMxMzE5ZjgzNjJhNjQ4OC90YWJsZXJhbmdlOjg0M2E2MTYzNWI0ZTQwZmU5MzEzMTlmODM2MmE2NDg4XzMtMS0xLTEtMA_03e65670-5ecc-477a-bd96-a32e24f0301c"
      unitRef="usd">1304000</smlp:ContractWithCustomerLiabilityNoncurrentAdditions>
    <smlp:ContractWithCustomerLiabilityNoncurrentReclassificationToCurrent
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTo4NDNhNjE2MzViNGU0MGZlOTMxMzE5ZjgzNjJhNjQ4OC90YWJsZXJhbmdlOjg0M2E2MTYzNWI0ZTQwZmU5MzEzMTlmODM2MmE2NDg4XzQtMS0xLTEtMA_442c0f19-3070-431d-a168-3f152518a4f8"
      unitRef="usd">6984000</smlp:ContractWithCustomerLiabilityNoncurrentReclassificationToCurrent>
    <us-gaap:ContractWithCustomerLiabilityNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjYvZnJhZzoyYTA5Yjk1MWE3Nzg0MGFiODg1NzdhM2M4NzE5ZWUzZC90YWJsZTo4NDNhNjE2MzViNGU0MGZlOTMxMzE5ZjgzNjJhNjQ4OC90YWJsZXJhbmdlOjg0M2E2MTYzNWI0ZTQwZmU5MzEzMTlmODM2MmE2NDg4XzUtMS0xLTEtMA_d8066818-4f0d-4a32-85b0-eb228aa3bcf3"
      unitRef="usd">42570000</us-gaap:ContractWithCustomerLiabilityNoncurrent>
    <us-gaap:DebtDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzkzMDk_946ac19e-b9d1-4696-9ddf-45af8c2325a3">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;8. DEBT&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Debt for the Partnership at December&#160;31, 2021 and 2020 follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revolving Credit Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings' variable rate senior secured revolving credit facility due May 13, 2022 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;857,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;ABL Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings' asset based credit facility due May 1, 2026&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;267,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Permian Transmission Credit Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Permian Transmission's variable rate senior secured credit facility due March 8, 2028&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2022 Senior Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;5.5% senior unsecured notes due August 15, 2022 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;234,047&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2025 Senior Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;5.75% senior unsecured notes due April 15, 2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2026 Secured Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;and Finance Corp's 8.50% senior unsecured second lien notes due October 15, 2026&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;700,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Less: unamortized debt discount and debt issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(31,391)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,184)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Total long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,355,072&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,347,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;_______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;The Revolving Credit Facility was repaid in full in November 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;The 2022 Senior Notes were repaid in full in November 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The aggregate amount of Partnership&#x2019;s debt maturing during each of the years after December&#160;31, 2021 are as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;967,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,386,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Revolving Credit Facility.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; The Partnership&#x2019;s subsidiary, Summit Holdings, had a senior secured revolving credit facility (the &#x201c;Revolving Credit Facility&#x201d;) which allowed for revolving loans, letters of credit and swingline loans. On November 2, 2021, a portion of the proceeds from the issuance of the 2026 Secured Notes, as described below, together with cash on hand and borrowings under the ABL Facility, as defined below, was used to repay, in full, the obligations under the Revolving Credit Facility.  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;ABL Facility. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Concurrently with the issuance of the 2026 Secured Notes, on November 2, 2021, Summit Holdings, as borrower, entered into a first-lien, senior secured credit agreement, with the Partnership, the subsidiaries party thereto, Bank of America, N.A., as agent, and the several lenders and other agents party thereto, consisting of a $400.0&#160;million asset-based revolving credit facility (the &#x201c;ABL Facility&#x201d;), subject to a borrowing base comprised of a percentage of eligible accounts receivable of Summit Holdings and its subsidiaries that guarantee the ABL Facility (collectively, the &#x201c;ABL Facility Subsidiary Guarantors&#x201d;) and a percentage of eligible above-ground fixed assets including eligible compression units, processing plants, compression stations and related equipment of Summit Holdings and the ABL Facility Subsidiary Guarantors. As of December 31, 2021, the most recent borrowing base determination of eligible assets totaled $691.2&#160;million, an amount greater than the $400.0&#160;million of aggregate commitments. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, the applicable margin under the adjusted LIBOR borrowings was 3.25%, the interest rate was 3.38% and the unused portion of the ABL Facility totaled $109.1&#160;million after giving effect to the issuance of $23.9&#160;million in outstanding but undrawn irrevocable standby letters of credit.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Summit Holdings entered into that certain Loan and Security Agreement governing the ABL Facility (the &#x201c;ABL Agreement&#x201d;), dated as of November 2, 2021, by and among Summit Holdings, as borrower, the Partnership, the ABL Facility Subsidiary Guarantors, Bank of America, N.A., as agent, ING Capital LLC, Royal Bank of Canada and Regions Bank, as co-syndication agents, and Bank of America, N.A., ING Capital LLC, RBC Capital Markets and Regions Capital Markets, as joint lead arrangers and joint bookrunners.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The ABL Facility will mature on May 1, 2026; provided that, (a) if the outstanding amount of the 2025 Senior Notes (or any permitted refinancing indebtedness in respect thereof that has a final maturity, scheduled amortization or any other scheduled repayment, mandatory prepayment, mandatory redemption or sinking fund obligation prior to the date that is 120 days after the Termination Date (as defined in the ABL Agreement)) on such date equals or exceeds $50,000,000, then the ABL Facility will mature on December 13, 2024 and (b) if both (i) any amount of the 2025 Senior Notes (or any permitted refinancing indebtedness in respect thereof that has a final maturity, scheduled amortization or any other scheduled repayment, mandatory prepayment, mandatory redemption or sinking fund obligation prior to the date that is 120 days after the Termination Date) is outstanding on such date and (ii) Liquidity (as defined in the ABL Agreement) is less than an amount equal to the sum of the then aggregate outstanding principal amount of the 2025 Senior Notes (or any permitted refinancing indebtedness in respect thereof that has a final maturity, scheduled amortization or any other scheduled repayment, mandatory prepayment, mandatory redemption or sinking fund obligation prior to the date that is 120 days after the Termination Date) plus the Threshold Amount (as defined in the ABL Agreement) on such date, then the ABL Facility will mature on January 14, 2025.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The ABL Facility (together with certain Secured Bank Product Obligations (as defined in the ABL Agreement)) will be jointly and severally guaranteed, on a senior first-priority secured basis (subject to permitted liens), by the Partnership, Summit Holdings and each of the ABL Facility Subsidiary Guarantors.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The ABL Facility restricts, among other things, Summit Holdings&#x2019; and its Restricted Subsidiaries&#x2019; (as defined in the ABL Agreement) ability and the ability of certain of their subsidiaries to: (i) incur additional debt or issue preferred stock; (ii) make distributions or repurchase equity; (iii) make payments on or redeem junior lien, unsecured or subordinated indebtedness; (iv) create liens or other encumbrances; (v) make investments, loans or other guarantees; (vi) engage in transactions with affiliates; and (viii) make acquisitions or merge or consolidate with another entity. These covenants are subject both to a number of important exceptions and qualifications.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The ABL Facility requires that Summit Holdings not permit (i) the First Lien Net Leverage Ratio (as defined in the ABL Agreement) as of the last day of any fiscal quarter to be greater than 2.50:1.00, or (ii) the Interest Coverage Ratio (as defined in the ABL Agreement) as of the last day of any fiscal quarter to be less than 2.00:1.00. As of December 31, 2021, the First Lien Net Leverage Ratio was 1.10:1.00 and the Interest Coverage Ratio was 4.30:1.00 .   &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The ABL Facility contains certain events of default customary for instruments of this type. In the case of an event of default arising from certain events of bankruptcy, insolvency or reorganization with respect to Summit Holdings, all outstanding Obligations (as defined in the ABL Agreement) will become due and payable immediately without further action or notice and all commitments under the ABL Facility will terminate.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Pursuant to the ABL Agreement, the Obligations (as defined in the ABL Agreement) are (or, subject to post-closing periods for certain types of collateral, will be) generally secured by a first priority lien on and security interest in (subject to permitted liens), subject to certain exclusions and limitations set forth in the ABL Agreement, (i) substantially all of the personal property of Summit Holdings and the ABL Facility Subsidiary Guarantors, (ii) all equity interests in Summit Holdings and certain other entities, all debt securities and certain rights related to the foregoing, in each case, owned by the Partnership, (iii) Closing Date Material Gathering Station Real Property and Closing Date Pipeline Material Gathering Station Real Property (each, as defined in the ABL Agreement) and certain other material real property interests (including improvements thereon) of Summit Holdings and the ABL Facility Subsidiary Guarantors as provided in the ABL Agreement and (iv) all proceeds of the foregoing collateral&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-style:italic;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Intercreditor Agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;On November 2, 2021, in connection with the entry into the ABL Facility and issuance of the 2026 Secured Notes, Summit Holdings and the other guarantors party thereto entered into an Intercreditor Agreement (the &#x201c;Intercreditor Agreement&#x201d;) with Bank of America, N.A., as first lien representative and collateral agent for the initial first lien claimholders, Regions Bank, as second lien representative for the initial second lien claimholders and collateral agent for the initial second lien claimholders, establishing (i) a first-priority lien (subject to permitted liens) status for the liens on the collateral securing the ABL Facility and any additional first-lien indebtedness and (ii) a junior priority lien (subject to permitted liens) status for the liens on the collateral securing the 2026 Secured Notes and any additional second-lien indebtedness.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Permian Transmission Credit Facility.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; On March 8, 2021 (the &#x201c;Permian Closing Date&#x201d;), the Partnership&#x2019;s unrestricted subsidiary, Permian Transmission, entered into a Credit Agreement which allows for $175.0&#160;million of senior secured credit facilities (the &#x201c;Permian Transmission Credit Facilities&#x201d;), including a $160.0&#160;million Term Loan Facility and a $15.0&#160;million Working Capital Facility. The Permian Transmission Credit Facilities can be used to finance Permian Transmission&#x2019;s capital calls associated with its investment in Double E, debt service and other general corporate purposes. Unexpended proceeds from draws on the Permian Transmission Credit Facilities are classified as restricted cash on the accompanying unaudited condensed consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, the applicable margin under adjusted LIBOR borrowings was 2.375%, the interest rate was 2.5% and the unused portion of the Permian Transmission Credit Facilities totaled $13.0&#160;million, subject to a commitment fee of 0.7% after giving effect to the issuance of $2.0&#160;million in outstanding but undrawn irrevocable standby letters of credit. As of December 31, 2021, the Partnership was in compliance with the Permian Transmission Credit Facilities covenants. There were no defaults or events of default during the period from the Permian Closing Date to December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;2026 Secured Notes. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In 2021, the Co-Issuers issued $700.0&#160;million of 8.500% Senior Secured Second Lien Notes due 2026 (the &#x201c;2026 Secured Notes&#x201d;) to eligible purchasers pursuant to Rule 144A and Regulation S of the Securities Act, at a price of 98.5% of their face value. The 2026 Secured Notes will pay interest semi-annually on April 15 and October 15 of each year, commencing on April 15, 2022, and will be jointly and severally guaranteed, on a senior second-priority secured basis (subject to permitted liens), by the Partnership and each restricted subsidiary of the Partnership (other than the Co-Issuers) that is an obligor under the ABL Agreement (as defined below), or under the Co-Issuers&#x2019; 2025 Senior Notes on the issue date of the 2026 Secured Notes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The 2026 Secured Notes will mature on October 15, 2026; provided that, if the outstanding amount of the 2025 Senior Notes (or any refinancing indebtedness in respect thereof that has a final maturity on or prior to the date that is 91 days after the Initial Maturity Date (as defined in the 2026 Secured Notes Indenture)) is greater than or equal to $50.0&#160;million on January 14, 2025, which is 91 days prior to the scheduled maturity date of the 2025 Senior Notes, then the 2026 Secured Notes will mature on January 14, 2025.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership used the net proceeds from the offering of the 2026 Secured Notes, together with cash on hand and borrowings under the ABL Facility (as defined below), to repay in full all of Summit Holdings&#x2019; obligations under the Revolving Credit Facility.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;2026 Secured Notes Indenture.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Co-Issuers issued the 2026 Secured Notes pursuant to an indenture (the &#x201c;2026 Secured Notes Indenture&#x201d;), dated as of November 2, 2021, by and among the Co-Issuers, the Partnership, any other Restricted Subsidiary (as defined in the 2026 Secured Notes Indenture) of the Partnership that provides a Notes Guarantee (as defined in the 2026 Secured Notes Indenture) and Regions Bank, as trustee (the &#x201c;Trustee&#x201d;) and collateral agent, setting forth specific terms applicable to the 2026 Secured Notes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;At any time prior to October 15, 2023, the Co-Issuers may on any one or more occasions redeem up to 35% of the aggregate principal amount of the 2026 Secured Notes (including any additional notes) issued under the 2026 Secured Notes Indenture at a redemption price of 108.5% of the principal amount of the 2026 Secured Notes, plus accrued and unpaid interest, if any, to, but not including, the redemption date, in an amount not greater than the net cash proceeds of certain equity offerings by the Partnership, provided that: (i) at least 65% of the initial aggregate principal amount of the 2026 Secured Notes (including any additional notes) remains outstanding immediately after the occurrence of such redemption (excluding notes held by the Partnership and its subsidiaries); and (ii) the redemption occurs within 180 days of the date of the closing of each such equity offering by the Partnership. On and after October 15, 2023, the Co-Issuers may redeem all or part of the 2026 Secured Notes at redemption prices (expressed as percentages of principal amount) equal to: (a) 104.250% for the twelve-month period beginning October 15, 2023; (b) 102.125% for the twelve-month period beginning October 15, 2024; and (c) 100.000% for the twelve-month period beginning on October 15, 2025 and at any time thereafter, in each case plus accrued and unpaid interest, if any, to, but not including, the redemption date. In certain circumstances, the Co-Issuers will be required to offer to purchase the 2026 Secured Notes with excess proceeds from asset sales, excess cash flow and upon the occurrence of certain change of control events.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The 2026 Secured Notes Indenture restricts the Partnership&#x2019;s and its Restricted Subsidiaries&#x2019; ability and the ability of certain of their subsidiaries to: (i) incur additional debt or issue preferred stock; (ii) make distributions, repurchase equity or redeem junior lien, unsecured or subordinated debt; (iii) make payments on junior lien, unsecured or subordinated indebtedness; (iv) create liens or other encumbrances; (v) make investments, loans or other guarantees; (vi) engage in transactions with affiliates; and (viii) make acquisitions or merge or consolidate with another entity. These covenants are subject both to a number of important exceptions and qualifications. At any time when the 2026 Secured Notes are rated investment grade by at least two of Moody&#x2019;s Investors Service, Inc., Standard &amp;amp; Poor&#x2019;s Ratings Services or Fitch Ratings, Inc., no default under the 2026 Secured Notes Indenture has occurred and is continuing, many of these covenants will terminate.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The 2026 Secured Notes Indenture contains certain events of default customary for instruments of this type.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In the case of an event of default arising from certain events of bankruptcy, insolvency or reorganization with respect to either Co-Issuer, the Partnership, and certain significant subsidiaries of the Partnership, all outstanding Notes will become due and payable immediately without further action or notice. If any other event of default occurs and is continuing, the Trustee or the holders of at least 25% in principal amount of the then outstanding Notes may declare all the 2026 Secured Notes to be due and payable immediately.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Collateral Agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;On November 2, 2021, the Co-Issuers, as pledgors and grantors, entered into, in connection with the 2026 Secured Notes Indenture, a Collateral Agreement (Second Lien), with the Partnership, as a pledgor, each subsidiary guarantor listed therein and Regions Bank, as collateral agent (the &#x201c;Collateral Agreement&#x201d;). Pursuant to the Collateral Agreement and the 2026 Secured Notes Indenture, the obligations under the 2026 Secured Notes Indenture are (or, subject to post-closing periods for certain types of collateral, will be) generally secured by a second priority lien on and security interest in (subject to permitted liens) the assets of the Partnership, the Co-Issuers and the subsidiary guarantors securing their obligations under the ABL Facility (as described below under &#x201c;&#x2014;ABL Facility&#x201d;).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;Excess Cash Flow Offers to Purchase. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Starting in the first quarter of 2023 with respect to the fiscal year ended 2022, and continuing annually through the fiscal year 2025, the Partnership is required under the terms of the 2026 Secured Notes Indenture to, if it has Excess Cash Flow (as defined in the 2026 Secured Notes Indenture), and subject to its ability to make such an offer under the ABL Credit Facility, offer to purchase an amount of the 2026 Secured Notes, at 100% of the principal amount plus accrued and unpaid interest, equal to 100% of the Excess Cash Flow generated in the prior year. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Generally, if the Partnership does not offer to purchase designated annual amounts of its 2026 Secured Notes or reduce its first lien capacity under the 2026 Secured Notes Indenture per annum from 2023 through 2025, the interest rate on the 2026 Secured Notes are subject to certain rate escalations.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Per the terms of the 2026 Secured Notes Indenture, the designated amounts are $50.0&#160;million in aggregate by April 1, 2023, otherwise the interest rate shall automatically increase by 50 basis points per annum; $100.0&#160;million in aggregate by April 1, 2024, otherwise the interest rate shall automatically increase by 100 basis points &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;per annum (minus any  amount previously increased); and $200.0&#160;million in aggregate by April 1, 2025, otherwise the interest rate shall automatically increase by 200 basis points per annum (minus any amount previously increased).&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;To the extent the Partnership makes an offer to purchase, and the offer is not fully accepted by the holders of the 2026 Secured Notes, the Partnership may use any remaining amount not accepted for any purpose not prohibited by the 2026 Secured Notes Indenture or the ABL Facility. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;2022 Senior Notes.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In July 2014, the Co-Issuers co-issued the 2022 Senior Notes. During 2021, the Co-Issuers redeemed all of the outstanding 2022 Senior Notes at a redemption price equal to 100.0% of the principal amount of the 2022 Senior Notes, plus accrued and unpaid interest.  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;2025 Senior Notes.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In February 2017, the Co-Issuers co-issued the 2025 Senior Notes. The Partnership pays interest on the 2025 Senior Notes semi-annually in cash in arrears on April 15 and October 15 of each year. The 2025 Senior Notes are senior, unsecured obligations and rank equally in right of payment with all of the Partnership&#x2019;s existing and future senior obligations. The 2025 Senior Notes are effectively subordinated in right of payment to all of the Partnership&#x2019;s secured indebtedness, to the extent of the collateral securing such indebtedness.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Co-Issuers have the right to redeem all or part of the 2025 Senior Notes at a redemption price of&#160;102.875% (with the redemption price declining ratably each year to&#160;100.00% on April&#160;15, 2023), plus accrued and unpaid interest, if any, to, but not including, the redemption date. Debt issuance costs of $7.7&#160;million are being amortized over the life of the 2025 Senior Notes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of and during the&#160;year ended&#160;December&#160;31, 2021,&#160;that Partnership was&#160;in compliance with the&#160;financial&#160;covenants governing&#160;its 2025 Senior&#160;Notes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;SMPH Term Loan and TL Restructuring.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Until November&#160;17, 2020, a subsidiary of the Partnership, SMP Holdings, had a senior secured term loan facility with $155.2 million of principal outstanding and a maturity date of&#160;May 15, 2022. Borrowings under the SMPH Term Loan bore interest at LIBOR plus&#160;6.00% or ABR plus&#160;5.00%, as defined in the SMPH Term Loan, and were secured by the following collateral: (i) a perfected first-priority lien on, and pledge of (a)&#160;all of the capital stock issued by SMP Holdings, (b)&#160;2.3 million SMLP units owned by SMP Holdings, (c) all of the equity interests owned by SMP Holdings in the General Partner, and (ii)&#160;substantially all other personal property of SMP Holdings.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;On September 29, 2020, SMP Holdings, Summit Investments and, for limited purposes, the Partnership, entered into the TL Restructuring. At the closing of the TL Restructuring on November&#160;17, 2020, the Term Loan Agent executed a Strict Foreclosure on behalf of the Term Loan Lenders on the&#160;2,306,972&#160;common units held by SMP Holdings and pledged as collateral under the SMPH Term Loan, which was then distributed to all SMPH Term Loan Lenders on a pro rata basis. In addition to the Strict Foreclosure, SMP Holdings paid to each of the SMPH Term Loan Lenders its pro rata share of $26.5 million in cash that the Partnership paid to SMP Holdings to fully satisfy its obligation with respect to the deferred purchased price obligation.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December 31, 2020, the SMPH Term Loan is fully satisfied and no longer exists.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;ECP Loans&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; On May 28, 2020, in connection with the closing of the GP Buy-In Transaction, Summit Holdings, entered into  (i) a Term Loan Credit Agreement (the &#x201c;ECP NewCo Term Loan Credit Agreement&#x201d;), with SMP TopCo, LLC, a Delaware limited liability company and affiliate of ECP (&#x201c;ECP NewCo&#x201d;), as lender and administrative agent, and Mizuho Bank (USA) (&#x201c;Mizuho&#x201d;), as collateral agent, in a principal amount of $28.2&#160;million (the &#x201c;ECP NewCo Loan&#x201d;), and (ii) a Term Loan Credit Agreement (the &#x201c;ECP Holdings Term Loan Credit Agreement&#x201d; and together with the ECP NewCo Term Loan Credit Agreement, the &#x201c;ECP Term Loan Credit Agreements&#x201d;), with ECP Holdings, as lender, and ECP NewCo, as administrative agent and Mizuho, as collateral agent, in a principal amount of $6.8&#160;million (the &#x201c;ECP Holdings Loan&#x201d; and together with the ECP NewCo Loan, the &#x201c;ECP Loans&#x201d;). The ECP Loans were set to mature on March 31, 2021 and bore interest at a fixed rate of 8.00% per annum, with the interest payment due at maturity of the ECP Loans. With borrowings under the Partnership&#x2019;s Revolving Credit Facility, the Partnership fully repaid all amounts outstanding under the ECP Loans ($35&#160;million of principal and $0.6&#160;million of accrued interest) on August 7, 2020.&lt;/span&gt;&lt;/div&gt;</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:ScheduleOfDebtInstrumentsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzkzMTA_05511839-53bf-4026-9548-9aba6cf59d66">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Debt for the Partnership at December&#160;31, 2021 and 2020 follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Revolving Credit Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings' variable rate senior secured revolving credit facility due May 13, 2022 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;857,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;ABL Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings' asset based credit facility due May 1, 2026&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;267,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Permian Transmission Credit Facility&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Permian Transmission's variable rate senior secured credit facility due March 8, 2028&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2022 Senior Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;5.5% senior unsecured notes due August 15, 2022 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;234,047&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2025 Senior Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;5.75% senior unsecured notes due April 15, 2025&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;2026 Secured Notes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;: Summit Holdings'&#160;and Finance Corp's 8.50% senior unsecured second lien notes due October 15, 2026&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;700,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Less: unamortized debt discount and debt issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(31,391)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;(3,184)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Total long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,355,072&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,347,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;_______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;The Revolving Credit Facility was repaid in full in November 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;The 2022 Senior Notes were repaid in full in November 2021.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
    <us-gaap:SecuredLongTermDebt
      contextRef="ie016cc20b37440beb2e06af6a35f8c8d_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzItMS0xLTEtMjQzMTQ_9171b1ed-0243-4a77-a789-38d1097bd082"
      unitRef="usd">0</us-gaap:SecuredLongTermDebt>
    <us-gaap:SecuredLongTermDebt
      contextRef="ib1a072424ff6411191469ba311d5463d_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzItMy0xLTEtMjQzMTQ_6b84dbf9-a286-4bf7-9b17-e95e99aa6478"
      unitRef="usd">857000000</us-gaap:SecuredLongTermDebt>
    <us-gaap:LineOfCredit
      contextRef="i338caec7e9ae4b66b0ab0d00d605f715_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzMtMS0xLTEtMjQzNzM_95d0ee35-a51b-4fdb-8f12-7ac6259640af"
      unitRef="usd">267000000</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="i907232171c684a7d902ca65e3a4c0b63_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzMtMy0xLTEtMjQzNzM_9133fae9-0817-4cf2-9060-ac7b71ba1781"
      unitRef="usd">0</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="i285c294f19dd4e55bddc7d3abf7d105f_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzMtMS0xLTEtMA_da2369df-85de-46f5-be7e-65f7c63180c8"
      unitRef="usd">160000000</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="i0ec637e3f624469da83ce62f0deb925a_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzMtMy0xLTEtMA_3c97cc80-11e7-4955-a001-662e4c444506"
      unitRef="usd">0</us-gaap:LineOfCredit>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="i3b20f66704334bb38af7251b97cd91e3_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzQtMC0xLTEtMC90ZXh0cmVnaW9uOmM5MGVhMTgyMzg4NDQ2ZTViMjg5ZDZlMWY1ZTExZTZlXzQx_e11f4f0a-b515-4c26-9032-3c80b9fd8078"
      unitRef="number">0.055</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="i3b20f66704334bb38af7251b97cd91e3_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzQtMS0xLTEtMA_7a3601f4-3139-46ab-a2af-3b950ed7e60e"
      unitRef="usd">0</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="ib444dba6891a4fcea67256104fa293e1_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzQtMy0xLTEtMA_875dc2b9-1a65-402d-9e3d-45d050b84529"
      unitRef="usd">234047000</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="ibe52c079b0b9427597ddadd102a16f44_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzYtMC0xLTEtMC90ZXh0cmVnaW9uOjQ4YWQxOTkyNDE2ZTRlODNhZmMwYTAwYTU1NjIwNzNlXzQx_ede50046-bf60-4c85-b886-89919e38adca"
      unitRef="number">0.0575</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="ibe52c079b0b9427597ddadd102a16f44_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzYtMS0xLTEtMA_8acaffc0-511f-454a-aeec-a62af15c8d64"
      unitRef="usd">259463000</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="i6615f5fcdfb54235bb4a69f4ffd7e2fd_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzYtMy0xLTEtMA_53f81f69-f97a-4a51-a9e3-b9d765e5132a"
      unitRef="usd">259463000</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="ie52eeefe85e84f02ba96741b59296de1_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzExLTAtMS0xLTI0MzQ0L3RleHRyZWdpb246Y2QyNjU4ZGM1ZDliNGFkZmE2YTEyNWRmYzZiODUyNGZfODI0NjMzNzIwODYzNA_47c953fe-6799-4461-828b-1a73cc4d4547"
      unitRef="number">0.0850</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="ie52eeefe85e84f02ba96741b59296de1_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzExLTEtMS0xLTI0Mzgw_4e7aa4a8-aa67-42fe-8686-f5acc85dcc16"
      unitRef="usd">700000000</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:UnsecuredLongTermDebt
      contextRef="i5869c11a700e4158972d2b35ee91ae2a_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzExLTMtMS0xLTI0Mzgw_f08ef758-a269-4e38-af4c-37664971ae88"
      unitRef="usd">0</us-gaap:UnsecuredLongTermDebt>
    <us-gaap:DeferredFinanceCostsNet
      contextRef="ie52eeefe85e84f02ba96741b59296de1_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzEyLTEtMS0xLTI0Mzgw_9759aadd-8ea6-4d62-b3bc-b92f046d2986"
      unitRef="usd">31391000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet
      contextRef="i5869c11a700e4158972d2b35ee91ae2a_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzEyLTMtMS0xLTI0Mzgw_a4d4ef83-e043-4c64-a650-23c0c901c603"
      unitRef="usd">3184000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:LongTermDebt
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzEwLTEtMS0xLTA_32388bef-b7dd-4b9f-a9d6-de2299904fa4"
      unitRef="usd">1355072000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTo4OTEzZDU3MTg5ZDU0MDc0YjdiZWIyMDQxMzRmYmI0Mi90YWJsZXJhbmdlOjg5MTNkNTcxODlkNTQwNzRiN2JlYjIwNDEzNGZiYjQyXzEwLTMtMS0xLTA_de67cc36-1eb2-4957-a4ae-1bc1659a8cb3"
      unitRef="usd">1347326000</us-gaap:LongTermDebt>
    <us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzkzMTE_7a9549dd-52d2-488c-b76e-6b03bf8f79b1">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The aggregate amount of Partnership&#x2019;s debt maturing during each of the years after December&#160;31, 2021 are as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;967,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,386,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzAtMS0xLTEtMA_42ccd103-29b2-46e5-80b4-c5af17599f7a"
      unitRef="usd">0</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzEtMS0xLTEtMA_09a02b52-6243-4bba-96ba-5ec7a72c3f0d"
      unitRef="usd">0</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzItMS0xLTEtMA_dba43be7-71c0-410f-82a7-08fe0598e33b"
      unitRef="usd">0</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzMtMS0xLTEtMA_1603bcf4-6485-49d4-b8e3-89ac42336127"
      unitRef="usd">259463000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzQtMS0xLTEtMA_136e38d9-58e2-4e9e-9ade-5337eed1db48"
      unitRef="usd">967000000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzUtMS0xLTEtMA_e7d6eec0-e610-4d0e-bf2d-f37f523c0699"
      unitRef="usd">160000000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive>
    <us-gaap:DebtInstrumentCarryingAmount
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90YWJsZTozODViYjRhMTE4M2E0ZDlhYTliOTM1MzAzZjJmYThiNC90YWJsZXJhbmdlOjM4NWJiNGExMTgzYTRkOWFhOWI5MzUzMDNmMmZhOGI0XzYtMS0xLTEtMA_e75d1f0e-dcf9-4c6a-9b29-6def24b5a136"
      unitRef="usd">1386463000</us-gaap:DebtInstrumentCarryingAmount>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE3NjY_6095b452-82a6-4d8f-9cc6-deb54fcf0eb4"
      unitRef="usd">400000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="ic4f6b9057f6443c384d06f9de140a445_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE3OTg_e0da9d03-d83f-4c4e-b49a-5374557a0fc7"
      unitRef="usd">691200000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE3ODI_3e42e581-5a7f-4815-b1b2-e2bde114fbc3"
      unitRef="usd">400000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="if939cacbb7cf428ca6c0ce9cedc2e5d7_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4MTQ_d1d38a05-2a0b-4fed-af3c-a312cc757811"
      unitRef="number">0.0325</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentInterestRateDuringPeriod
      contextRef="i837dba45a5af494fba337fbc3686cc04_D20210101-20211231"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4MjE_4233cc59-6197-4c4a-9d80-093219cdbd62"
      unitRef="number">0.0338</us-gaap:DebtInstrumentInterestRateDuringPeriod>
    <us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
      contextRef="ic4f6b9057f6443c384d06f9de140a445_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzE2NDkyNjc1MzY5NjI_b8fdbd59-4cc3-4fc4-bdfd-6d903c8bcb41"
      unitRef="usd">109100000</us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity>
    <us-gaap:LineOfCredit
      contextRef="i9da8524d20094333a09b6a2010debd37_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzE2NDkyNjc1MzcwMDU_ed2ea4df-6d24-4138-a962-0f94ce1df0ff"
      unitRef="usd">23900000</us-gaap:LineOfCredit>
    <smlp:DebtInstrumentCovenantMaximumAmountOutstandingForMaturity
      contextRef="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4Mjg_52860655-bda8-4604-b415-89846c05d21a"
      unitRef="usd">50000000</smlp:DebtInstrumentCovenantMaximumAmountOutstandingForMaturity>
    <smlp:DebtInstrumentCovenantMandatoryRedemptionPeriod
      contextRef="i92bb6bb8b3f84914958096c4608bc3b7_D20211102-20211102"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4NDM_598ac650-c77b-448c-8a23-bc3b70be9081">P120D</smlp:DebtInstrumentCovenantMandatoryRedemptionPeriod>
    <smlp:DebtInstrumentCovenantFirstLienNetLeverageRatio
      contextRef="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4NTY_999668fd-6d32-4252-9048-c579978c01c3"
      unitRef="number">2.50</smlp:DebtInstrumentCovenantFirstLienNetLeverageRatio>
    <smlp:DebtInstrumentCovenantInterestCoverageRatio
      contextRef="iaf3b4b4ae9974dd0a54f489dbe953fb0_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4NjI_9f049b75-f5b1-4dc4-b371-5277e48578e9"
      unitRef="number">2.00</smlp:DebtInstrumentCovenantInterestCoverageRatio>
    <smlp:DebtInstrumentCovenantFirstLienNetLeverageRatio
      contextRef="ic4f6b9057f6443c384d06f9de140a445_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4NTA_22accbcf-b4bc-4da5-ba60-1c366e6dc853"
      unitRef="number">1.10</smlp:DebtInstrumentCovenantFirstLienNetLeverageRatio>
    <smlp:DebtInstrumentCovenantInterestCoverageRatio
      contextRef="ic4f6b9057f6443c384d06f9de140a445_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4Njg_0d4d63db-a9c7-40a9-915d-e0a6c70c7e00"
      unitRef="number">4.30</smlp:DebtInstrumentCovenantInterestCoverageRatio>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="i4f925f59315e43298cc6af6bf811cf59_I20210308"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4NzQ_aab26d1c-70cd-4730-adad-5f488fcea530"
      unitRef="usd">175000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="ifad7d4a953de47f7888b279039007aba_I20210308"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE4OTA_0a766224-0c80-436a-9e49-8a11e2b8d980"
      unitRef="usd">160000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="iafc871462063459a94be88ab358e8690_I20210308"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5MDY_6f051f8f-128b-4778-a507-60874346ee39"
      unitRef="usd">15000000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="i5f104ac1d3cc4e4b869a5e4db6780fa3_D20210101-20211231"
      decimals="5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5MjE_2c61ba5f-b8c7-4b1c-8563-16eda7ad23e4"
      unitRef="number">0.02375</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentInterestRateEffectivePercentage
      contextRef="i56e282646528482183d82eb6c7faa755_I20211231"
      decimals="3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5Mjk_ac85d22a-8af3-4b19-bb61-fc3ccbfbd8c4"
      unitRef="number">0.025</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
    <us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount
      contextRef="i56e282646528482183d82eb6c7faa755_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5NzE_723c8af7-f668-476d-b511-3ba83b8c8cfc"
      unitRef="usd">13000000</us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount>
    <us-gaap:LineOfCreditFacilityCommitmentFeePercentage
      contextRef="i5f104ac1d3cc4e4b869a5e4db6780fa3_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5MzU_d1251245-17a3-44c2-8b4f-d5be0ad5b630"
      unitRef="number">0.007</us-gaap:LineOfCreditFacilityCommitmentFeePercentage>
    <us-gaap:LongTermDebt
      contextRef="i55f96efd9e794982963caf621c82e165_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5NTc_e6b42da4-84f9-4f14-a16e-47d0bd5b8c76"
      unitRef="usd">2000000</us-gaap:LongTermDebt>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="i3233573b82204d30b1e60ae410fb37a9_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5NDE_9d6df2d4-5748-4eb7-b626-69c50dc4aac8"
      unitRef="usd">700000000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="i3233573b82204d30b1e60ae410fb37a9_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5ODY_966510be-0d42-4341-a407-4018936b3b46"
      unitRef="number">0.08500</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <smlp:DebtInstrumentIssuedAsAPercentageOfFaceValue
      contextRef="i3233573b82204d30b1e60ae410fb37a9_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzE5OTQ_adebdae2-649e-46b8-9e94-2ff93d203a88"
      unitRef="number">0.985</smlp:DebtInstrumentIssuedAsAPercentageOfFaceValue>
    <smlp:DebtInstrumentCovenantMaximumAmountOutstandingForMaturity
      contextRef="i4cadb39aaee946e08739757b92e1f353_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwMDE_9481b772-b7e1-426c-9837-34f1fe5d4e41"
      unitRef="usd">50000000</smlp:DebtInstrumentCovenantMaximumAmountOutstandingForMaturity>
    <us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
      contextRef="i46a769c3313c4895865fec20558a6882_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwMjk_bbfa78d0-b20a-4b0e-aeea-44f9b8037e7b"
      unitRef="number">0.35</us-gaap:DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="i46a769c3313c4895865fec20558a6882_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwMTY_7394329f-9d0b-4267-8290-abd50e1d6cc9"
      unitRef="number">1.085</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <smlp:DebtInstrumentCovenantRedemptionPercentOfInitialPrincipalAmountRemainingOutstanding
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwMjQ_58a40c97-c1bb-4531-a0af-ee560abb541f"
      unitRef="number">0.65</smlp:DebtInstrumentCovenantRedemptionPercentOfInitialPrincipalAmountRemainingOutstanding>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="i042c3fa310c24de1b9f3efde18c4cce2_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwNDQ_51be323f-751d-4482-9920-f60a60037e83"
      unitRef="number">1.04250</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="if7b327a1da9b43ea87c71f51c90bf25e_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwMzQ_15076235-b701-43a6-a0d5-93b35f89a816"
      unitRef="number">1.02125</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="i5321e48f4dfa43b0858294611fa58580_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwNTQ_efc27c9d-0c28-41b0-9a04-c1077c014ea9"
      unitRef="number">1.00000</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <smlp:DebtInstrumentCovenantOwnershipPercentageOfPrincipal
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxMDM_43a3f471-db0a-4866-9f0b-0886344e272c"
      unitRef="number">0.25</smlp:DebtInstrumentCovenantOwnershipPercentageOfPrincipal>
    <smlp:DebtInstrumentCovenantRepurchaseAmountOfPrincipalPlusAccruedInterest
      contextRef="i46a769c3313c4895865fec20558a6882_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxNDA_92c89189-b082-47c4-b1c3-df11720ce540"
      unitRef="number">1</smlp:DebtInstrumentCovenantRepurchaseAmountOfPrincipalPlusAccruedInterest>
    <smlp:DebtInstrumentCovenantRepurchaseAmountOfPrincipalPlusAccruedInterest
      contextRef="i46a769c3313c4895865fec20558a6882_D20211102-20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwNjU_778c5242-3c19-4267-9c34-699eb67549fd"
      unitRef="number">1</smlp:DebtInstrumentCovenantRepurchaseAmountOfPrincipalPlusAccruedInterest>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodOne
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwNzE_409a9a38-3bba-4ea8-b702-45b769c5770e"
      unitRef="usd">50000000</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodOne>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodOne
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYwNzA_1a5ccff1-4479-433e-a549-bd504ae88885"
      unitRef="number">0.0050</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodOne>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodTwo
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIwODY_25dbcfbf-24e4-47c2-bece-2ba4528c9ecd"
      unitRef="usd">100000000</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodTwo>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodTwo
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYwNzc_12bc6031-0fcf-4f3a-919f-bc39349df67c"
      unitRef="number">0.0100</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodTwo>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodThree
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxMDg_32e94e8d-3bf6-4ca2-8c0a-6d53f8973f7c"
      unitRef="usd">200000000</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchasePeriodThree>
    <smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodThree
      contextRef="idfb33b34ba7b4853896db861161790e9_I20211102"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxMjQ_bd54f7a5-362d-4420-a127-8ed8ef61dcfc"
      unitRef="number">0.0200</smlp:DebtInstrumentCovenantExcessCashFlowOfferToPurchaseBasisPointIncreasePeriodThree>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="ieed3ce50b12845d990d81bb99548c7dc_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxMzI_10facf23-780d-48fb-bb7b-479cfdf7584e"
      unitRef="number">1.000</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="i64333c4e3b72467b9169701f8f59cdc3_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzc0ODQ_6135db8d-85e0-49a9-9f5b-6f3d3d804159"
      unitRef="number">1.02875</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DebtInstrumentRedemptionPricePercentage
      contextRef="i63bb7b8c27c74368acc2af297105d673_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzc1NDU_b2461f65-5552-4f10-b502-d66c0a1ec2e0"
      unitRef="number">1.0000</us-gaap:DebtInstrumentRedemptionPricePercentage>
    <us-gaap:DeferredFinanceCostsNet
      contextRef="ifa120e535d564b7dac25b25981403114_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxNjg_2388ba8f-26e4-40f0-b6ce-0175375f98e0"
      unitRef="usd">7700000</us-gaap:DeferredFinanceCostsNet>
    <smlp:TermLoanResultInConsensualDebtDischargeOfFullAmountOwedInTermLoanExchange
      contextRef="iab6009f7300541de9c99bac38d955604_D20201117-20201117"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgwMjA_e1f8331f-2d38-4003-b36a-d6c221f5b024"
      unitRef="usd">155200000</smlp:TermLoanResultInConsensualDebtDischargeOfFullAmountOwedInTermLoanExchange>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="i1c4346072b5b4912963abd8fd43d504f_D20201117-20201117"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgxNDk_2bcb55bc-d0d4-43a5-8125-bc0aa80294c6"
      unitRef="number">0.0600</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="id890d4b185414e46ba9689c2ef1837e0_D20201117-20201117"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgxNjQ_66cffc83-ddcb-4ca6-86e1-900459c8b455"
      unitRef="number">0.0500</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:ProceedsFromSaleOfInterestInPartnershipUnit
      contextRef="iab6009f7300541de9c99bac38d955604_D20201117-20201117"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgzNTk_db763901-6a64-4c84-b65e-e0ab530c7935"
      unitRef="usd">2300000</us-gaap:ProceedsFromSaleOfInterestInPartnershipUnit>
    <us-gaap:SharesOutstanding
      contextRef="i2ec492a5f13645b08bd95f98a85d3426_I20201117"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg4MTU_64c9cb92-0bbb-42d2-8dac-e2b3404aeff1"
      unitRef="shares">2306972</us-gaap:SharesOutstanding>
    <smlp:CashPaymentOnDeferredPurchasePriceObligation
      contextRef="iab6009f7300541de9c99bac38d955604_D20201117-20201117"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzkwOTk_424ff19a-2f19-417c-9263-78975d71469d"
      unitRef="usd">26500000</smlp:CashPaymentOnDeferredPurchasePriceObligation>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="i33a37a44b44c4894a361d39a707da1d3_I20200528"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzgyNDYzMzczMzIxNDY_f9834a4e-45df-4bc0-bbe5-facdb30e2176"
      unitRef="usd">28200000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="i8db27523de9b4d6ca0e1eb4840145136_I20200528"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYxMDc_f275a5b1-b68a-49fa-aac4-1795205604fd"
      unitRef="usd">6800000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="i0ce1eb0843fa4702971608ac40333b00_I20200528"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYxMDA_7404189a-7839-49ef-bf9c-de5d903c0f01"
      unitRef="number">0.0800</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:RepaymentsOfSecuredDebt
      contextRef="i61280caaf5d84eedabfc610d9863fbf7_D20200807-20200807"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYxMjE_70af83a0-d5cb-4d59-bfd3-392e84b645ea"
      unitRef="usd">35000000</us-gaap:RepaymentsOfSecuredDebt>
    <smlp:RepaymentsOfAccruedInterest
      contextRef="i61280caaf5d84eedabfc610d9863fbf7_D20200807-20200807"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNjkvZnJhZzo0ODNmNjY3ZjEyMzc0OWUxYjcwNzE4Y2QzMmNhNTgzMC90ZXh0cmVnaW9uOjQ4M2Y2NjdmMTIzNzQ5ZTFiNzA3MThjZDMyY2E1ODMwXzg3OTYwOTMxNDYxMzQ_8335f160-95c5-4a85-ae96-b6ad46f54524"
      unitRef="usd">600000</smlp:RepaymentsOfAccruedInterest>
    <smlp:LiabilityManagementTransactionsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzIxMTA_a1986f16-7b51-46fd-908d-08a04b9b75b4">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;9. LIABILITY MANAGEMENT TRANSACTIONS&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;During the year ended December&#160;31, 2020, the Partnership and its subsidiaries completed several liability management transactions, described below, that resulted in the early extinguishment of an aggregate $306.5 million face value of the Partnership&#x2019;s indebtedness.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Open Market Repurchases.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;During the year ended December&#160;31, 2020, the Partnership made a number of open market repurchases of the 2022 Senior Notes and 2025 Senior Notes that resulted in the extinguishment of $32.4 million of face value of the 2022 Senior Notes and $201.8 million of face value of the 2025 Senior Notes (the &#x201c;Open Market Repurchases&#x201d;). Total cash consideration paid to repurchase the principal amounts outstanding of the 2022 Senior Notes and 2025 Senior Notes, plus &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;accrued interest totaled $150.3 million and the Partnership recognized a $86.4 million gain on the early extinguishment of debt during the year ended December&#160;31, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Debt Tender Offers.&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In September 2020, the Co-Issuers completed the Debt Tender Offers to purchase a portion of the 2022 Senior Notes and 2025 Senior Notes. Upon concluding the Debt Tender Offers, the Co-Issuers repurchased $33.5 million principal amount of the 2022 Senior Notes and $38.7 million principal amount of the 2025 Senior Notes. Total cash consideration paid to repurchase the principal amounts outstanding of the 2022 and 2025 Senior Notes, plus accrued interest, totaled $48.7 million, and the Partnership recognized a $23.3 million gain on the early extinguishment of debt during the year ended December&#160;31, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;SMPH Term Loan Restructuring&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;On November&#160;17, 2020, the Partnership completed the TL Restructuring and recognized a gain of $94.0 million equal to the difference between the face value of the cancelled SMPH Term Loan and the fair value of the total consideration transferred, including&#160;unamortized debt issuance costs, and certain direct transaction costs related to the restructuring. The transaction was accounted for under ASC Topic 470-60&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;&#x201c;Troubled Debt Restructuring with Debtors&#x201d;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;and had a total impact of $26.15&#160;per unit.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Summary of gain on extinguishment of debt.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership recognized a $203.1 million gain on extinguishment of debt during the year ended December&#160;31, 2020, the components of which are summarized in the table below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.341%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.639%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;ECP Loan&lt;br/&gt;Repayment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Open Market&lt;br/&gt;Repurchases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Tender&lt;br/&gt;Offers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;TL&lt;br/&gt;Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on Repurchases of Senior Notes and TL Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,554&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;76,789&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,223&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;15,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;99,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;212,220&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Debt issue costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(361)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(143)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,541)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(351)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,724)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(5,245)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Transaction costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(249)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(105)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(105)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(467)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(467)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,520)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(3,913)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain (loss) on debt extinguishment&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(610)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,306&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;75,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,631&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;14,661&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;93,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;203,062&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:LiabilityManagementTransactionsTextBlock>
    <us-gaap:ExtinguishmentOfDebtAmount
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzIzNA_34bc502d-729a-4118-a24f-ba537802a246"
      unitRef="usd">306500000</us-gaap:ExtinguishmentOfDebtAmount>
    <us-gaap:DebtInstrumentRepurchaseAmount
      contextRef="i0960c79a838b4321b15a7652cd04b5db_I20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzQ3Nw_8d4f5b64-2555-4b7c-a4d9-1acf8bcd5df3"
      unitRef="usd">32400000</us-gaap:DebtInstrumentRepurchaseAmount>
    <us-gaap:DebtInstrumentRepurchaseAmount
      contextRef="i15d47863257746a787ccea0f49ca0404_I20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzUyMw_fd6add50-832b-44ae-9681-db483f25741c"
      unitRef="usd">201800000</us-gaap:DebtInstrumentRepurchaseAmount>
    <us-gaap:DebtInstrumentRepurchasedFaceAmount
      contextRef="i2fd4a94a9a5c4d309b5f21a6f6c99205_I20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5Xzc1NA_1294cb34-4504-4aec-a32e-02c68be989b3"
      unitRef="usd">150300000</us-gaap:DebtInstrumentRepurchasedFaceAmount>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i7a95b3bfc48348919af759999ea53df8_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5Xzc5MA_724a35e3-08f2-43ef-bd98-9d932ad04076"
      unitRef="usd">86400000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:DebtInstrumentRepurchaseAmount
      contextRef="i4849ac80e2f84b9f9dcca77a6bba5ee3_I20200930"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzEwNzI_857e2075-afc3-4229-8c2e-9c5f1a9022de"
      unitRef="usd">33500000</us-gaap:DebtInstrumentRepurchaseAmount>
    <us-gaap:DebtInstrumentRepurchaseAmount
      contextRef="i784893f5933f4fbe9558c537d9011e36_I20200930"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzExMjE_2e8b0f2f-ad64-4a27-9921-543b9af0f093"
      unitRef="usd">38700000</us-gaap:DebtInstrumentRepurchaseAmount>
    <us-gaap:DebtInstrumentRepurchasedFaceAmount
      contextRef="i0e7e5a24bd4242a9afd706d67a592da1_I20200930"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzEzMTE_bd781272-fada-4fd2-86df-ac3c562b8051"
      unitRef="usd">48700000</us-gaap:DebtInstrumentRepurchasedFaceAmount>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i699a412ecb4d4a92a50b305fd8263495_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzEzNDg_0ca90222-7bf2-4910-8496-da5cc1ac9753"
      unitRef="usd">23300000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="iab6009f7300541de9c99bac38d955604_D20201117-20201117"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzE1Mjc_1c0253d4-4f62-4b83-a557-272035b5c241"
      unitRef="usd">94000000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:ExtinguishmentOfDebtGainLossPerShareNetOfTax
      contextRef="iab6009f7300541de9c99bac38d955604_D20201117-20201117"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzE5MDQ_0703127a-0ccc-49f4-b96c-5d4687c1e3ca"
      unitRef="usdPerShare">26.15</us-gaap:ExtinguishmentOfDebtGainLossPerShareNetOfTax>
    <us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzIxMTE_06cfe355-2c9e-492d-b78f-6c44458fe354">The Partnership recognized a $203.1 million gain on extinguishment of debt during the year ended December&#160;31, 2020, the components of which are summarized in the table below.&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.341%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.639%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;ECP Loan&lt;br/&gt;Repayment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Open Market&lt;br/&gt;Repurchases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Tender&lt;br/&gt;Offers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;TL&lt;br/&gt;Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on Repurchases of Senior Notes and TL Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,554&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;76,789&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,223&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;15,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;99,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;212,220&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Debt issue costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(361)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(143)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,541)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(351)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,724)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(5,245)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Transaction costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(249)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(105)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(105)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(467)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(467)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(2,520)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(3,913)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain (loss) on debt extinguishment&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(610)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;11,306&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;75,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,631&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;14,661&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;93,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;203,062&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfExtinguishmentOfDebtTextBlock>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i66da78eaf95b4db79894672552e03096_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90ZXh0cmVnaW9uOmIxYzdkM2E3ZmRjZTQ0MmFiODc3YTBjNjk3MmM4Y2M5XzE5OTA_935ed09c-61ea-4133-9831-5883352e8175"
      unitRef="usd">203100000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="i0c57e800c60e4992a7360e1630a04717_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtMS0xLTEtMA_17c94518-1be5-4b3b-b69f-27037c61bb28"
      unitRef="usd">0</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="ia84ccd9fbe9844339480191bd51636ff_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtMy0xLTEtMA_4951324b-db0f-4710-ac26-db17ddcf209d"
      unitRef="usd">11554000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="i959e9ff0e9e94c56a3f9958bd95fd339_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtNS0xLTEtMA_97f8ae80-7552-4263-927a-c6753fef1d80"
      unitRef="usd">76789000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="i170f10ff5d874212ae00c874e61fabb4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtNy0xLTEtMA_014fca3c-5707-4a6f-90b9-5eb1a5fed00c"
      unitRef="usd">9223000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="id894da9212334a90999aff7aaab75ae1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtOS0xLTEtMA_d3489c44-32e8-4901-89b0-3ac23466552a"
      unitRef="usd">15479000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="i5187a7af2eeb42e282d810bf17c77ed8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtMTEtMS0xLTA_c27c8ea4-9b52-44bd-b631-1bd4e44922aa"
      unitRef="usd">99175000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <smlp:GainLossOnFaceValueOfSeniorNotes
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzMtMTMtMS0xLTA_582522ee-1445-41cf-a9aa-376d5802f7ff"
      unitRef="usd">212220000</smlp:GainLossOnFaceValueOfSeniorNotes>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="i0c57e800c60e4992a7360e1630a04717_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtMS0xLTEtMA_671131ab-1d22-4a74-a8a7-92dee213e33d"
      unitRef="usd">361000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="ia84ccd9fbe9844339480191bd51636ff_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtMy0xLTEtMA_50b5e175-6dcf-47ac-9eea-5cae498dfd41"
      unitRef="usd">143000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="i959e9ff0e9e94c56a3f9958bd95fd339_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtNS0xLTEtMA_56509944-e57a-4c23-acf1-48ff0d5debf0"
      unitRef="usd">1541000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="i170f10ff5d874212ae00c874e61fabb4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtNy0xLTEtMA_ad0b7167-f223-4274-9c3b-b7a7eb47e8a0"
      unitRef="usd">125000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="id894da9212334a90999aff7aaab75ae1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtOS0xLTEtMA_0b818a63-161f-4e7e-a16e-38c1227e9e95"
      unitRef="usd">351000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="i5187a7af2eeb42e282d810bf17c77ed8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtMTEtMS0xLTA_4843688a-bedf-4781-828d-a855156053de"
      unitRef="usd">2724000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <us-gaap:WriteOffOfDeferredDebtIssuanceCost
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzQtMTMtMS0xLTA_ad7310c2-989b-4722-b782-275855a498e9"
      unitRef="usd">5245000</us-gaap:WriteOffOfDeferredDebtIssuanceCost>
    <smlp:DebtTransactionCost
      contextRef="i0c57e800c60e4992a7360e1630a04717_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtMS0xLTEtMA_d7c1c586-34ac-4fbf-9e60-964345242b9e"
      unitRef="usd">249000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="ia84ccd9fbe9844339480191bd51636ff_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtMy0xLTEtMA_4c9e1527-dd5c-40c8-9218-2a75889dfea8"
      unitRef="usd">105000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="i959e9ff0e9e94c56a3f9958bd95fd339_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtNS0xLTEtMA_086aa869-eea4-48ec-a273-1e15aefc1711"
      unitRef="usd">105000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="i170f10ff5d874212ae00c874e61fabb4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtNy0xLTEtMA_4be01517-d6d9-4ba1-b59b-673dbc8dc793"
      unitRef="usd">467000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="id894da9212334a90999aff7aaab75ae1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtOS0xLTEtMA_c4ab408d-b2c8-4455-bd09-fd69e42fa22e"
      unitRef="usd">467000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="i5187a7af2eeb42e282d810bf17c77ed8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtMTEtMS0xLTA_d783ef6f-7c36-4478-9fb4-591034066a8b"
      unitRef="usd">2520000</smlp:DebtTransactionCost>
    <smlp:DebtTransactionCost
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzUtMTMtMS0xLTA_a6b4a62e-bf17-4fe3-9c57-0f93abad8626"
      unitRef="usd">3913000</smlp:DebtTransactionCost>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i0c57e800c60e4992a7360e1630a04717_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtMS0xLTEtMA_3e981b1b-ed8c-48ee-8271-67980e8bfb47"
      unitRef="usd">-610000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="ia84ccd9fbe9844339480191bd51636ff_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtMy0xLTEtMA_6257335b-9191-4341-8323-4f4fb7498ffd"
      unitRef="usd">11306000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i959e9ff0e9e94c56a3f9958bd95fd339_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtNS0xLTEtMA_62cb8666-4c28-49ee-a857-271efdbd70ba"
      unitRef="usd">75143000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i170f10ff5d874212ae00c874e61fabb4_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtNy0xLTEtMA_01824458-61ed-4c86-b678-395cfa985f54"
      unitRef="usd">8631000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="id894da9212334a90999aff7aaab75ae1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtOS0xLTEtMA_c278be51-062a-4359-9455-8e3abd3686ec"
      unitRef="usd">14661000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i5187a7af2eeb42e282d810bf17c77ed8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtMTEtMS0xLTA_ca5d7a15-0f75-4fc4-be4e-9456b2d93f2e"
      unitRef="usd">93931000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzUvZnJhZzpiMWM3ZDNhN2ZkY2U0NDJhYjg3N2EwYzY5NzJjOGNjOS90YWJsZTo1NzdiODA0ODI4Zjk0MmMwYWI4NWUzYjdhN2M5YjI4Yi90YWJsZXJhbmdlOjU3N2I4MDQ4MjhmOTQyYzBhYjg1ZTNiN2E3YzliMjhiXzYtMTMtMS0xLTA_54b86342-2e17-4c54-9942-8cd6507048a6"
      unitRef="usd">203062000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzQwMzE_5b12c2b9-11b1-416d-b1e2-98587b4906ce">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;10. COMMITMENTS AND CONTINGENCIES&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Environmental Matters.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Although the Partnership believes that it is in material compliance with applicable environmental regulations, the risk of environmental remediation costs and liabilities are inherent in pipeline ownership and operation. Furthermore, the Partnership can provide no assurances that significant environmental remediation costs and liabilities will not be incurred in the future. The Partnership is currently not aware of any material contingent liabilities that exist with respect to environmental matters, except as noted below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In 2015, the Partnership learned of the rupture of a four-inch produced water gathering pipeline on the Meadowlark Midstream system near Williston, North Dakota (&#x201c;2015 Blacktail Release&#x201d;).&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December&#160;31, 2021, the Partnership has recognized (i) a current liability for remediation effort expenditures expected to be incurred within the next 12 months and (ii) a noncurrent liability for estimated remediation expenditures expected to be incurred subsequent to December 31, 2022. Each of these amounts represent the Partnership&#x2019;s best estimate for costs expected to be incurred. Neither of these amounts have been discounted to its present value.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of the Partnership&#x2019;s undiscounted accrued environmental remediation follows and is primarily related to the 2015 Blacktail Release and other environmental remediation activities is below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,651&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Payments made&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,722)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,929&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Payments made&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,972)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additional accruals&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,606&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In the fourth quarter of 2020, the Partnership recognized a $17.0&#160;million loss contingency for the 2015 Blacktail Release as a result of ongoing discussions with multiple federal and state government agencies, including the U.S. Department of Justice, the U.S. Environmental Protection Agency, the North Dakota Industrial Commission, the North Dakota Office of the Attorney General, the North Dakota Department of Environmental Quality, and the North Dakota Game and Fish Department. Subsequently, on August 4, 2021, the Partnership and several of its subsidiaries entered into the following agreements to resolve the U.S. federal and North Dakota state governments&#x2019; environmental claims with respect to the 2015 Blacktail Release: (i) a Consent Decree with (a) the U.S. Department of Justice (&#x201c;DOJ&#x201d;), on behalf of the U.S. Environmental Protection Agency and the U.S. Department of Interior, and (b) the State of North Dakota, on behalf of the North Dakota Department of Environmental Quality and the North Dakota Game and Fish Department (&#x201c;Consent Decree&#x201d;), lodged with the U.S. District Court for the District of North Dakota (&#x201c;U.S. District Court&#x201d;); (ii) a Plea Agreement with the United States, by and through the U.S. Attorney for the District of North Dakota, and the Environmental Crimes Section of the DOJ (&#x201c;Plea Agreement&#x201d;); and (iii) a Consent Agreement with the North Dakota Industrial Commission (&#x201c;Consent Agreement&#x201d; together with the Consent Decree and Plea Agreement, the &#x201c;Global Settlement&#x201d;). The Partnership increased its loss contingency for the 2015 Blacktail Release during the three months ended June 30, 2021 by $19.3&#160;million. As of December&#160;31, 2021, the accrued loss liability for the 2015 Blacktail Release was $33.2&#160;million.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Key terms of the Global Settlement include (i) payment of penalties and fines totaling $36.3&#160;million, consisting of $1.25&#160;million in natural resource damages to the federal and state governments payable after court approval of the Global Settlement, $25.0&#160;million payable to the federal government over five years, and $10.0&#160;million payable to the state governments over six years, with interest applied to unpaid amounts accruing at a fixed rate of 3.25%, and of which $5.6&#160;million is expected to be paid within the next twelve months; (ii) continuation of remediation efforts at the site of the 2015 Blacktail Release; (iii) other injunctive relief including but not limited to control room management, environmental management system audit, training, and reporting; (iv) guilty pleas for one charge of negligent discharge of a harmful quantity of oil and one charge of knowing failure to immediately report a discharge of oil; and (v) organizational probation for a minimum period of three years from sentencing, including payment in full of certain components of the fines and penalty amounts. The agreements comprising the Global Settlement are subject to the approval of the U.S. District Court for the District of North Dakota (the &#x201c;U.S. District Court&#x201d;). The U.S. District Court entered an order making the civil components of the Global Settlement effective on September 28, 2021 and has set a hearing for December 6, 2021 on the criminal components of the Global Settlement, which if accepted by the U.S. District Court will complete approval of the Global Settlement.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Legal Proceedings.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership is involved in various litigation and administrative proceedings arising in the normal course of business. In the opinion of management, any liabilities that may result from these claims or those arising in the normal course of business would not individually or in the aggregate have a material adverse effect on the Partnership's financial position or results of operations.&lt;/span&gt;&lt;/div&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
    <us-gaap:ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzQwMzI_7104a26a-fde1-4a1c-90c6-41b1efdb818a">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of the Partnership&#x2019;s undiscounted accrued environmental remediation follows and is primarily related to the 2015 Blacktail Release and other environmental remediation activities is below.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,651&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Payments made&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,722)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,929&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Payments made&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,972)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Additional accruals&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Accrued environmental remediation, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,606&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="i226edbb214aa44ed82ce89f25d70ad01_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzItMS0xLTEtMA_4b0f7bd1-772f-44ec-b2c9-da23c28ae452"
      unitRef="usd">4651000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPayments1
      contextRef="i2802c14edd4f41e1b4016f5bbe994613_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzMtMS0xLTEtMA_cbcd93b3-043e-495f-aa5e-f15bb5faa92b"
      unitRef="usd">1722000</us-gaap:AccrualForEnvironmentalLossContingenciesPayments1>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="i97417f2ca44f4b50bc0f45c3f1264c1e_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzUtMS0xLTEtMA_dacd3c00-89ed-4b67-a55e-ca3ccf26dfb5"
      unitRef="usd">2929000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPayments1
      contextRef="ifb7c7fe0e60d4fc0b6f8714a03ac1e54_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzYtMS0xLTEtMA_36127c31-72e7-44ac-b047-92a1625d6003"
      unitRef="usd">1972000</us-gaap:AccrualForEnvironmentalLossContingenciesPayments1>
    <us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
      contextRef="ifb7c7fe0e60d4fc0b6f8714a03ac1e54_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzctMS0xLTEtMTgxNjc_84da4d0a-ad8a-4df5-afc1-0b89ed7fb2de"
      unitRef="usd">4649000</us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease>
    <us-gaap:AccrualForEnvironmentalLossContingencies
      contextRef="i32afe7559b884aa3852e53c9bc31025c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90YWJsZTpiZTgzMWE1M2IyNGY0MWYxOTRhYWM0YTk5NTNhZTM1MS90YWJsZXJhbmdlOmJlODMxYTUzYjI0ZjQxZjE5NGFhYzRhOTk1M2FlMzUxXzctMS0xLTEtMA_b93de81d-e885-41d2-b7e3-e35d3f144f43"
      unitRef="usd">5606000</us-gaap:AccrualForEnvironmentalLossContingencies>
    <us-gaap:LossContingencyLossInPeriod
      contextRef="ie113735e6cf9454ab89cc1220cf48040_D20201001-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA2OTk_8481a6b3-435b-49b5-846e-1277524ae439"
      unitRef="usd">17000000</us-gaap:LossContingencyLossInPeriod>
    <us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
      contextRef="idc0845600f9e4e6d8a7012cdc4a1440b_D20210401-20210630"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA2ODQ_24550c74-228c-4179-b8f8-94542b4d0eae"
      unitRef="usd">19300000</us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease>
    <us-gaap:LossContingencyAccrualAtCarryingValue
      contextRef="i30d6ef7e4b904e5eb76a1fab998ddf63_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3MTQ_e9a86737-f5d6-41d2-8311-b7c1ebe87deb"
      unitRef="usd">33200000</us-gaap:LossContingencyAccrualAtCarryingValue>
    <us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3Mjk_ff08919c-3e1e-4aa9-97fb-8570e9769197"
      unitRef="usd">36300000</us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses>
    <us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
      contextRef="i0f4bc7b7f3f646dab93bd54c21648e10_D20210101-20211231"
      decimals="-4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3NDQ_771c67cf-85e1-4080-a387-c4df5b1a4930"
      unitRef="usd">1250000</us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses>
    <us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
      contextRef="i7ee194a477e247318eff0bc2bdc1e7c3_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3NzQ_c3e04f74-21c2-47d4-893c-92b4faea0fe3"
      unitRef="usd">25000000</us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses>
    <smlp:EnvironmentalLossContingenciesPenaltiesAndFinesPaymentPeriod
      contextRef="i0f4bc7b7f3f646dab93bd54c21648e10_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA4MjQ_09c8aec6-e58d-4183-80ba-0e5aeca4865d">P5Y</smlp:EnvironmentalLossContingenciesPenaltiesAndFinesPaymentPeriod>
    <us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses
      contextRef="i08b31267b34545e49c53a01342a798a5_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3NTk_6d1c4701-4b48-4d6f-8ede-34ed67c3f9a8"
      unitRef="usd">10000000</us-gaap:AccrualForEnvironmentalLossContingenciesChargesToExpenseForNewLosses>
    <smlp:EnvironmentalLossContingenciesPenaltiesAndFinesPaymentPeriod
      contextRef="i08b31267b34545e49c53a01342a798a5_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA4NDI_1c884a05-7a95-4428-a309-35167b2d94d9">P6Y</smlp:EnvironmentalLossContingenciesPenaltiesAndFinesPaymentPeriod>
    <us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate
      contextRef="i30d6ef7e4b904e5eb76a1fab998ddf63_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3ODk_2159051b-4aab-4d91-baeb-a42369c01e9f"
      unitRef="number">0.0325</us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate>
    <smlp:AccrualForEnvironmentalLossContingenciesExpectedPayment
      contextRef="i99e16d5f64334ac09f485803269c2893_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xNzgvZnJhZzpkOWY2ZmRlYWM5Njg0YTRmOTZiZTY4ODBmZjNiNmFiMS90ZXh0cmVnaW9uOmQ5ZjZmZGVhYzk2ODRhNGY5NmJlNjg4MGZmM2I2YWIxXzgyNDYzMzcyMjA3OTY_c71bbb2e-642a-4695-9038-12982c5b1c93"
      unitRef="usd">5600000</smlp:AccrualForEnvironmentalLossContingenciesExpectedPayment>
    <us-gaap:FairValueDisclosuresTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzIwODk_f0535396-a9d0-4767-a6f4-5cffa2a84788">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;11. FINANCIAL INSTRUMENTS&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Concentrations of Credit Risk.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Financial instruments that potentially subject the Partnership to concentrations of credit risk consist of cash and cash equivalents, restricted cash and accounts receivable. The Partnership maintains its cash and cash equivalents and restricted cash in bank deposit accounts that frequently exceed federally insured limits. The Partnership has not experienced any losses in such accounts and does not believe it is exposed to any significant risk.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Accounts receivable primarily comprise amounts due for the gathering, compression, treating and processing services the Partnership provides to its customers and also the sale of natural gas liquids resulting from its processing services. This industry concentration has the potential to impact its overall exposure to credit risk, either positively or negatively, in that the Partnerships customers may be similarly affected by changes in economic, industry or other conditions. The Partnership monitors the creditworthiness of its counterparties and can require letters of credit or other forms of credit assurance for receivables from counterparties that are judged to have substandard credit, unless the credit risk can otherwise be mitigated. The Partnership&#x2019;s top&#160;five&#160;customers or counterparties accounted for&#160;38% of its total accounts receivable at December&#160;31, 2021, compared to&#160;51% as of December&#160;31, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Fair Value.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The carrying amount of cash and cash equivalents, restricted cash, accounts receivable and trade accounts payable reported on the consolidated balance sheet approximates fair value due to their short-term maturities.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A summary of the estimated fair value of the Partnerships debt financial instruments follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Value &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Estimated&lt;br/&gt;fair value&lt;br/&gt;(Level 2)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Value &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Estimated&lt;br/&gt;fair value&lt;br/&gt;(Level 2)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022 Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;234,047&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;215,713&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025 Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;234,814&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;168,002&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026 Secured Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;700,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;718,083&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Excludes applicable unamortized debt issuance costs and debt discounts.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The carrying value on the balance sheets of the ABL Facility, Revolving Credit Facility and Permian Transmission Credit Facility is its fair value due to its floating interest rate. The fair value for the 2026 Secured Notes, 2022 Senior Notes and 2025 Senior Notes is based on an average of nonbinding broker quotes as of December&#160;31, 2021 and 2020. The use of different market assumptions or valuation methodologies may have a material effect on the estimated fair value of the Senior Notes.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Interest Rate Swaps.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In connection with the Permian Transmission Credit Facility, the Partnership entered into amortizing interest rate swap agreements for a notional amount of $144.0&#160;million. These interest rate swaps manage exposure to variability in expected cash flows attributable to interest rate risk. Interest rate swaps convert a portion of the Partnership&#x2019;s variable rate debt to fixed rate debt.&#160;The Partnership chooses counterparties for its derivative instruments that it believes are creditworthy at the time the transactions are entered into, and the Partnership actively monitors the creditworthiness where applicable. However, there can be no assurance that a counterparty will be able to meet its obligations to the Partnership. The Partnership presents its derivative positions on a gross basis and does not net the asset and liability positions.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December&#160;31, 2021, the Partnership&#x2019;s interest rate swap agreements had a fair value of $0.8&#160;million and are recorded within other current liabilities and other noncurrent liabilities within the consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueDisclosuresTextBlock>
    <smlp:NumberOfTopCustomers
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzEyODA_86570a9b-af3c-41ae-a209-c871ca137ac6"
      unitRef="customer">5</smlp:NumberOfTopCustomers>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="ie01bde6684544a98b6a32ebf98ab40b3_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzEzMjU_93fcac63-3327-458b-929f-99befdf3dd4d"
      unitRef="number">0.38</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="i22a92423605e41dca687268f40b0a8f8_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzEzODA_96c14e46-d753-48bf-b01b-87cd44309d13"
      unitRef="number">0.51</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzIwOTA_73f4bc4e-56e9-4568-90dd-14f2a8e45a1a">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A summary of the estimated fair value of the Partnerships debt financial instruments follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:45.829%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.624%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Value &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Estimated&lt;br/&gt;fair value&lt;br/&gt;(Level 2)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Value &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Estimated&lt;br/&gt;fair value&lt;br/&gt;(Level 2)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="21" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022 Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;234,047&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;215,713&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025 Senior Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;234,814&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;259,463&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;168,002&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026 Secured Notes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;700,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;718,083&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Excludes applicable unamortized debt issuance costs and debt discounts.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i0c4aa5fc027c4d53be9cc0061203ece7_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzMtMS0xLTEtMA_3fe086ee-24f1-4c9a-88d1-02a342d0002a"
      unitRef="usd">0</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="id61a390028fc4d5f9168210319a3a292_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzMtMy0xLTEtMA_39ba781d-c33c-43fe-8dba-5d4bc17f06b0"
      unitRef="usd">0</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i60d9e1214bc44345a540219382ad1410_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzMtNS0xLTEtMA_8efeefaa-2fdf-4de4-9f6a-4dae12f76cb2"
      unitRef="usd">234047000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i638f99307bbe45b3a933a098f6c06276_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzMtNy0xLTEtMA_944f59bc-2cf6-49fe-babf-272f42ead9ca"
      unitRef="usd">215713000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i49accef3021d4aacbf2cc0bc42b18e34_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzQtMS0xLTEtMA_0722dc42-f779-40ed-8913-3544a7f0cdd9"
      unitRef="usd">259463000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i38dcfecda61342ee84d7f218015d8ebb_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzQtMy0xLTEtMA_60a80d2a-1c5d-4fa4-b2fc-9f87f1c3e7ca"
      unitRef="usd">234814000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i9db0c04444754d9dbb3bf9842e200f47_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzQtNS0xLTEtMA_c6262816-01f6-4d9d-a69a-c727ea0aaa72"
      unitRef="usd">259463000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="ie44a7b9959244fb3ab02a532f193b778_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzQtNy0xLTEtMA_0a751067-2759-44f2-baa4-0262a320a88a"
      unitRef="usd">168002000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="ibc1e25d1ad8b4737a96dcf8590855684_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzUtMS0xLTEtMzEyNjI_159fff44-e3c0-43b3-b581-e8f111f8341e"
      unitRef="usd">700000000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i8fb67b15fa2b469a9814b1777820e6ae_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzUtMy0xLTEtMzEyNjI_8970e1c0-720d-48d0-8a63-8d3a8fddd4d9"
      unitRef="usd">718083000</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i932f62d7d019444c90b71eb3b36e0f6f_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzUtNS0xLTEtMzEyNjI_9a9f471d-d01f-4e37-8bde-6ee121ff609a"
      unitRef="usd">0</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:NotesPayableFairValueDisclosure
      contextRef="i249ca68aa32d4f48895f1bb51f298c5d_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90YWJsZTo1NDY3MTdlOTU3YzA0ZmY0ODdmNjNmN2JhMGViYWU1NS90YWJsZXJhbmdlOjU0NjcxN2U5NTdjMDRmZjQ4N2Y2M2Y3YmEwZWJhZTU1XzUtNy0xLTEtMzEyNjI_c1d54e8e-bfd8-4fbe-bb39-67e68d1b6d27"
      unitRef="usd">0</us-gaap:NotesPayableFairValueDisclosure>
    <us-gaap:DerivativeNotionalAmount
      contextRef="i518e95e7d80142adb1fe15f2987f8a0a_I20210308"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzgyNDYzMzcyMTIwNDE_b1fd7dbe-3f47-44ef-b132-50810e224915"
      unitRef="usd">144000000</us-gaap:DerivativeNotionalAmount>
    <us-gaap:DerivativeFairValueOfDerivativeNet
      contextRef="i16e1cf17f12c474294653eb47338f0eb_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODEvZnJhZzplY2MzYzViY2FhNmU0ZDI5YTQzMDIzNTQ1MDkyYjY2OC90ZXh0cmVnaW9uOmVjYzNjNWJjYWE2ZTRkMjlhNDMwMjM1NDUwOTJiNjY4XzgyNDYzMzcyMTIwNTc_7cae461c-300e-4909-9232-95ef5e84e98f"
      unitRef="usd">800000</us-gaap:DerivativeFairValueOfDerivativeNet>
    <us-gaap:PartnersCapitalNotesDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzExNzA0_eccb458d-c752-4e6b-99c6-107174cd3446">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;12. PARTNERS' CAPITAL AND MEZZANINE CAPITAL&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Common Units.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;A rollforward of the number of common limited partner units follows for the period from December&#160;31, 2019 to December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Common Units&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,021,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;GP Buy-In Transaction&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(132,687)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common units issued for SMLP LTIP, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,987&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;TL Restructuring &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,306,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer, net of units withheld for taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;817,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,110,092&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2021 Preferred Exchange Offer, net of units withheld for taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;538,715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common units issued for SMLP LTIP, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,580&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;ECP Warrant Exercise&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;414,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:29.2pt"&gt;The purchase price for the SMLP common units reflected in the consolidated statement of partners&#x2019; capital for the year ended December 31, 2020 is comprised of the (i) the $35.0 million cash payment to ECP, (ii) the $2.3 million fair value for the issuance of 0.7&#160;million warrants, and (iii) $6.8 million of advisory fees and other direct costs related to closing the GP Buy-In Transaction.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:29.2pt"&gt;As adjusted for reverse unit split.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Series A Preferred Units.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In November 2017,&#160;the Partnership&#160;issued&#160;300,000&#160;Series A Fixed-to-Floating Rate Cumulative Redeemable Perpetual Preferred Units (the &#x201c;Series A Preferred Units&#x201d;) representing limited partner interests in the Partnership at a price to the public of&#160;$1,000&#160;per unit.&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Series A Preferred Units rank senior to (i)&#160;common units representing limited partner interests in the Partnership and (ii)&#160;each other class or series of limited partner interests or other equity securities in the Partnership that may be established in the future that expressly ranks junior to the Series A Preferred Units as to the payment of distributions and amounts payable upon a liquidation event. The Series A Preferred Units rank equal in all respects with each class or series of limited partner interests or&#160;other equity securities in the Partnership that may be established in the future that is not expressly made senior or subordinated to the Series A Preferred Units as to the payment of distributions and amounts payable on a liquidation event. The Series A Preferred Units rank junior to (i)&#160;all of the Partnership&#x2019;s existing and future indebtedness and other liabilities with respect to assets available to satisfy claims against the Partnership and (ii)&#160;each other class or series of limited partner interests or other equity securities in the Partnership established in the future that is expressly made senior to the Series A Preferred Units as to the payment of distributions and amounts payable upon a liquidation event. Income is allocated to the Series A Preferred Units in an amount equal to the earned distributions (whether these distributions are declared by the General Partner to be paid or not) for the respective reporting period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Distributions on the Series A Preferred Units are cumulative and compounding and are payable semi-annually in arrears on the 15th day of each June and December through and including December&#160;15, 2022, and, thereafter, quarterly in arrears on the 15th day of March, June, September and December of each year (each, a &#x201c;Distribution Payment Date&#x201d;) to holders of record as of the close of business on the first business day of the month of the applicable Distribution Payment Date, in each case, when, as, and if declared by the General Partner out of legally available funds for such purpose.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The initial distribution rate for the Series A Preferred Units is&#160;9.50% per annum of the $1,000&#160;liquidation preference per Series A Preferred Unit. On and after December&#160;15, 2022, distributions on the Series A Preferred Units will accumulate for each distribution period at a percentage of the liquidation preference equal to the&#160;three-month LIBOR plus a spread of 7.43%.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In connection with the GP Buy-In Transaction,&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;the Partnership suspended its distributions to be paid to holders of its Series A Preferred Units, commencing with respect to the quarter ending March 31, 2020. As of December 31, 2021, the amount of accrued and unpaid distributions on the Series A Preferred Units was $29.9 million. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of the number of Series A Preferred Units follows for the period from December&#160;31, 2019 to December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Series A&lt;br/&gt;Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(62,816)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Tender&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(75,075)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;162,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(18,662)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;143,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Series A Preferred Unit Exchange Offers&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In April 2021, the Partnership completed an offer to exchange its Series A Preferred Units for newly issued common units, whereby it issued 538,715 SMLP common units, net of units withheld for withholding taxes, in exchange for 18,662 Series A Preferred Units. &#160;In July 2020, the Partnership completed an offer to exchange its Series A Preferred Units for newly issued common units, whereby it issued&#160;817,845&#160;SMLP common units, net of units withheld for withholding taxes, in exchange for&#160;62,816&#160;Series A Preferred Units.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Series A Preferred Tender Offer.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In December 2020, the Partnership completed a cash tender offer for its Series A Preferred Units whereby it accepted&#160;75,075&#160;Series A Preferred Units for a purchase price of&#160;$333.00&#160;per Series A Preferred Unit and an aggregate purchase price of $25.0 million.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Subsidiary Series A Preferred Units.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership has Subsidiary Series A Preferred Units that ranks senior to each other class or series of limited partner interests or other equity securities in Permian Holdco that may be established in the future that expressly ranks junior to the Subsidiary Series A Preferred Units as to the payment of distributions and amounts payable upon a liquidation event. The Subsidiary Series A Preferred Units rank equal in all respects with each class or series of limited partner interests or other equity securities in Permian Holdco that may be established in the future that is not expressly made senior or subordinated to the Subsidiary Series A Preferred Units as to the payment of distributions and amounts payable on a liquidation event. The Subsidiary Series A Preferred Units rank junior to (i)&#160;all of Permian Holdco&#x2019;s or a subsidiary of Permian Holdco&#x2019;s future indebtedness and other liabilities with respect to assets available to satisfy claims against Permian Holdco and (ii)&#160;each other class or series of limited partner interests or other equity securities in Permian Holdco established in the future that is &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;expressly made senior to the Subsidiary Series A Preferred Units as to the payment of distributions and amounts payable upon a liquidation event. Income is allocated to the Subsidiary Series A Preferred Units in an amount equal to the earned distributions for the respective reporting period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Distributions on the Subsidiary Series A Preferred Units are cumulative and compounding and are payable 21 days following the quarterly period ended March, June, September and December of each year (each, a &#x201c;Series A Distribution Payment Date&#x201d;) to holders of record as of the close of business on the first business day of the month of the applicable Series A Distribution Payment Date, in each case, when, as, and if declared by Permian Holdco out of legally available funds for such purpose.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The distribution rate for the Subsidiary Series A Preferred Units is&#160;7.00% per annum of the $1,000&#160;liquidation preference per Subsidiary Series A Preferred Unit. A pro-rated initial distribution on the Subsidiary Series A Preferred Units was Paid-in-kind (&#x201c;PIK&#x201d;) on January&#160;21, 2020 in an amount equal to&#160;7.00% per Subsidiary Series A Preferred Unit plus&#160;1.00% per annum of the undrawn commitment units.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In 2020, the Partnership issued&#160;50,000&#160;Subsidiary Series A Preferred Units at a price of $1,000&#160;per unit for net proceeds of $48.7 million (after deducting underwriting discounts and offering expenses). All proceeds were used to fund capital expenses associated with the Double E Project. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;These Subsidiary Series A Preferred Units are considered redeemable securities under GAAP due to the existence of certain redemption provisions that are outside of the Partnership&#x2019;s control. Therefore, the securities are classified as temporary equity in the mezzanine section of the consolidated balance sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership records its Subsidiary Series A Preferred Units at fair value upon issuance, net of issuance costs, and subsequently records an effective interest method accretion&#160;amount&#160;each reporting period&#160;to accrete the carrying value to a most probable redemption value that is based on a predetermined internal rate of return&#160;measure.&#160;The Partnership also elected to make PIK distributions to&#160;holders of the&#160;Subsidiary Series A Preferred Units&#160;during the years ended December&#160;31, 2021 and 2020, which increase the liquidation preference on each Subsidiary Series A Preferred Unit. Ultimately, Net Income (Loss) Attributable to common limited partners includes adjustments for PIK distributions and redemption accretion. During the years ended December&#160;31, 2021 and 2020, the Partnership issued 6,131 and 5,251 Subsidiary Series A Preferred Units, respectively, through PIK transactions. As of December&#160;31, 2021 and 2020, the Partnership had 91,439 and 85,308 Subsidiary Series A Preferred Units outstanding, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;If&#160;the Subsidiary Series A Preferred Units were redeemed on December&#160;31, 2021, the redemption amount would be&#160;$114.3&#160;million, when considering the applicable multiple of invested capital metric and make-whole amount provisions contained in the Subsidiary Series A Preferred Unit agreement.&#160;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table shows the change in the Partnership&#x2019;s Subsidiary Series A Preferred Unit balance during the year ended December&#160;31, 2021:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;27,450&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;New issuances&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;50,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PIK distributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,251&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,290)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Redemption accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PIK distributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Redemption accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at December 31, 2021 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:700;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,325&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;Amount is net of $3.9 million of issuance costs at December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Warrants.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;On May&#160;28, 2020 and in connection with the GP Buy-In Transaction, the Partnership issued (i) a warrant to purchase up to&#160;537,307 SMLP common units (8,059,609 SMLP common units prior to the Reverse Unit Split) to ECP NewCo (the &#x201c;ECP NewCo Warrant&#x201d;) and (ii) a warrant to purchase up to&#160;129,360&#160;SMLP common units (1,940,391 SMLP common units prior to the Reverse Unit Split) to ECP Holdings (the &#x201c;ECP Holdings Warrant&#x201d; and together with the ECP NewCo Warrant, the &#x201c;ECP Warrants&#x201d;). The exercise price under the ECP Warrants was 15.35&#160;per SMLP common unit. At issuance the ECP Warrants were valued at $2.3 million using a Black-Scholes model and accounted for as a liability instrument.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;On August 5, 2021, the ECP Entities cashlessly exercised all of the ECP Warrants for an aggregate of 414,447 SMLP common units, net of the exercise price, as calculated pursuant to Section 3(c) of the ECP Warrants (the "ECP Warrant Exercise").&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the year ended December 31, 2021, the Partnership recognized a $13.6&#160;million loss related to the ECP Warrants. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Cash Distribution Policy.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;&#160;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In connection with the GP Buy-In Transaction, the Partnership suspended its cash distributions to holders of its common units, commencing with respect to the quarter ending March 31, 2020. Upon the resumption of distributions, the Partnership Agreement requires that it distribute all available cash, subject to reserves established by its General Partner, within&#160;45 days after the end of each quarter to unitholders of record on the applicable record date. The amount of distributions paid under this policy is subject to fluctuations based on the amount of cash the Partnership generates from its business and the decision to make any distribution is determined by the General Partner, taking into consideration the terms of the Partnership Agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Cash Distributions Paid and Declared.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;Prior to the GP Buy-In Transaction, on January&#160;29, 2020, the Board of Directors declared a distribution of $0.125&#160;per unit for the quarterly period ended December&#160;31, 2020 This distribution, which totaled $11.7 million, was paid on&#160;February 14, 2020&#160;to unitholders of record at the close of business on&#160;February 7, 2020.&lt;/span&gt;&lt;/div&gt;</us-gaap:PartnersCapitalNotesDisclosureTextBlock>
    <smlp:ScheduleOfPartnerUnitsActivityTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzExNzA1_11a1e16a-468a-4ca3-b942-5a68feb706ff">A rollforward of the number of common limited partner units follows for the period from December&#160;31, 2019 to December&#160;31, 2021.&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt;text-align:center"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Common Units&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:700;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,021,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;GP Buy-In Transaction&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(132,687)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common units issued for SMLP LTIP, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;95,987&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;TL Restructuring &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,306,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer, net of units withheld for taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;817,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,110,092&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2021 Preferred Exchange Offer, net of units withheld for taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;538,715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common units issued for SMLP LTIP, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,580&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;ECP Warrant Exercise&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;414,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,169,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:29.2pt"&gt;The purchase price for the SMLP common units reflected in the consolidated statement of partners&#x2019; capital for the year ended December 31, 2020 is comprised of the (i) the $35.0 million cash payment to ECP, (ii) the $2.3 million fair value for the issuance of 0.7&#160;million warrants, and (iii) $6.8 million of advisory fees and other direct costs related to closing the GP Buy-In Transaction.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(2)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:29.2pt"&gt;As adjusted for reverse unit split.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A rollforward of the number of Series A Preferred Units follows for the period from December&#160;31, 2019 to December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:120%"&gt;Series A&lt;br/&gt;Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(62,816)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Tender&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(75,075)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;162,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Series A Preferred Unit Exchange Offer&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(18,662)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;143,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:ScheduleOfPartnerUnitsActivityTableTableTextBlock>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="ida3b6e03b22b4dd882274f1b7407f770_I20191231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzEtMS0xLTEtMA_d50d0c23-8720-43c2-a74b-8f348fb12bcc"
      unitRef="shares">3021258</us-gaap:PartnersCapitalAccountUnits>
    <us-gaap:PartnersCapitalAccountUnitsConverted
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzItMS0xLTEtMA_197a6294-7ecf-4fb7-808a-d591e493e40f"
      unitRef="shares">132687</us-gaap:PartnersCapitalAccountUnitsConverted>
    <us-gaap:PartnersCapitalAccountUnitsUnitbasedCompensation
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzMtMS0xLTEtMTgyMjc_11f4c401-9d70-414f-b866-c98b60d2d9e0"
      unitRef="shares">95987</us-gaap:PartnersCapitalAccountUnitsUnitbasedCompensation>
    <smlp:PartnersCapitalUnitsTermLoanRestructuring
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzQtMS0xLTEtMTgyMjc_cd444795-edb4-4317-a78c-944b1fb39b5e"
      unitRef="shares">2306972</smlp:PartnersCapitalUnitsTermLoanRestructuring>
    <smlp:PreferredUnitExchangeNetOfSharesWithheldForTaxes
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzUtMS0xLTEtMTgyMjc_b777bbbc-fd0b-4816-848e-49ab733a0cb9"
      unitRef="shares">817845</smlp:PreferredUnitExchangeNetOfSharesWithheldForTaxes>
    <smlp:PartnersCapitalAccountUnitsOther
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzYtMS0xLTEtMTgyMjc_d9501a78-c54e-486b-b00c-ad548fd6aa13"
      unitRef="shares">717</smlp:PartnersCapitalAccountUnitsOther>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="i514f5da533cc4504bd5b6842fd3e2989_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzMtMS0xLTEtMA_0a3021e3-53a3-4af9-9e79-6e0c710994e6"
      unitRef="shares">6110092</us-gaap:PartnersCapitalAccountUnits>
    <us-gaap:PartnersCapitalAccountUnitsConverted
      contextRef="i5dfbca266e604d288e489dee205e3419_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzQtMS0xLTEtMA_78ee846a-4d8b-42eb-abc0-f711d4932d19"
      unitRef="shares">538715</us-gaap:PartnersCapitalAccountUnitsConverted>
    <us-gaap:PartnersCapitalAccountUnitsUnitbasedCompensation
      contextRef="i5dfbca266e604d288e489dee205e3419_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzUtMS0xLTEtMA_56e8558e-aeee-4651-af44-e2c49acf8ade"
      unitRef="shares">106580</us-gaap:PartnersCapitalAccountUnitsUnitbasedCompensation>
    <smlp:PartnersCapitalAccountUnitsIssuedForWarrantExercises
      contextRef="i5dfbca266e604d288e489dee205e3419_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzYtMS0xLTEtMA_b985ae33-3d5d-47d4-b141-20b5dd588681"
      unitRef="shares">414447</smlp:PartnersCapitalAccountUnitsIssuedForWarrantExercises>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="i3654bbdb0c114fd6966d5a595d4c7ff1_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTozZDVlMDZhNGU5ODc0MTE4YmMzNDA2NzVkYWIwYzc4ZC90YWJsZXJhbmdlOjNkNWUwNmE0ZTk4NzQxMThiYzM0MDY3NWRhYjBjNzhkXzktMS0xLTEtMA_61bdbec1-9852-4c63-80d9-dd9941d97d07"
      unitRef="shares">7169834</us-gaap:PartnersCapitalAccountUnits>
    <smlp:PartnersCapitalAccountCashPayments
      contextRef="ic814dfcedf9c41d3b25a386c22f0a533_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzc5NA_451c562c-6fe7-4f85-8891-b367157fbde6"
      unitRef="usd">35000000</smlp:PartnersCapitalAccountCashPayments>
    <us-gaap:WarrantsAndRightsOutstanding
      contextRef="i51afd06a9f82464d993cc9d865508c55_I20200528"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNw_92ea841c-f4f9-4ca9-857e-2b96081c0ba3"
      unitRef="usd">2300000</us-gaap:WarrantsAndRightsOutstanding>
    <smlp:PartnersCapitalAccountFairValueIssuanceOfWarrants
      contextRef="ic814dfcedf9c41d3b25a386c22f0a533_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzg2MQ_34bcb13f-01d0-4908-9d70-70ad1c6d7156"
      unitRef="usd">700000</smlp:PartnersCapitalAccountFairValueIssuanceOfWarrants>
    <smlp:PartnersCapitalAccountAdvisoryFeesAndOtherDirectCosts
      contextRef="ic814dfcedf9c41d3b25a386c22f0a533_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzg4NA_2136c245-36b6-4372-bf88-475ff8c1f6ea"
      unitRef="usd">6800000</smlp:PartnersCapitalAccountAdvisoryFeesAndOtherDirectCosts>
    <us-gaap:PreferredUnitsIssued
      contextRef="i67e74ab372cd4ef2bc2a46bbf6ee2f5f_I20171130"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzEwNzY_d4a12bd4-6409-437d-9863-f160e059e8bb"
      unitRef="shares">300000</us-gaap:PreferredUnitsIssued>
    <us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit
      contextRef="i36a14e748c454572b39bd688e7b65c9c_D20171101-20171130"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzEyNzg_08c5b96d-f069-4a07-a912-06f63ce3643a"
      unitRef="usdPerShare">1000</us-gaap:DistributionMadeToLimitedPartnerDistributionsPaidPerUnit>
    <us-gaap:PreferredStockDividendRatePercentage
      contextRef="i36a14e748c454572b39bd688e7b65c9c_D20171101-20171130"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzM2NDQ_415defbb-e6b4-4b50-a837-5892210d227f"
      unitRef="number">0.0950</us-gaap:PreferredStockDividendRatePercentage>
    <us-gaap:PreferredStockLiquidationPreference
      contextRef="i67e74ab372cd4ef2bc2a46bbf6ee2f5f_I20171130"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzM2NjQ_01ea42f0-dd6a-45f1-8720-e3d049dc56e8"
      unitRef="usdPerShare">1000</us-gaap:PreferredStockLiquidationPreference>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="id31005a28cfd4223ad3fe7eebd9b4c15_D20171101-20171130"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQxMzk_cbca29ca-3ee5-4b53-9d2b-06a301b01e3e"
      unitRef="number">0.0743</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DividendsPayableCurrentAndNoncurrent
      contextRef="ib6760452c5cb4060943e85e78e9b1be2_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzE2NDkyNjc0NjE2MzQ_e7584f45-bb04-47b6-8440-1b011748cd20"
      unitRef="usd">29900000</us-gaap:DividendsPayableCurrentAndNoncurrent>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="i200b20b5d22b4430af48642e18b8556d_I20191231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzEtMS0xLTEtMA_2c2bd549-831d-443f-b95e-e96d8e315c36"
      unitRef="shares">300000</us-gaap:PartnersCapitalAccountUnits>
    <smlp:PreferredUnitExchangeOffer
      contextRef="i05bb4bb4582044298383dbd61700ac23_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzItMS0xLTEtMA_e324c3ae-231b-4180-a473-d3773383170c"
      unitRef="shares">62816</smlp:PreferredUnitExchangeOffer>
    <smlp:PreferredUnitTender
      contextRef="i05bb4bb4582044298383dbd61700ac23_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzMtMS0xLTEtMTgyNjA_75709c9f-56d6-47b1-b91f-b10851b7ce30"
      unitRef="shares">75075</smlp:PreferredUnitTender>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="ib5383e4a0c1a4ea087e796e4c1d46678_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzMtMS0xLTEtMA_5513f39a-0d65-4ef9-90fa-b3d660e1ae4c"
      unitRef="shares">162109</us-gaap:PartnersCapitalAccountUnits>
    <smlp:PreferredUnitExchangeOffer
      contextRef="i316c3e5df47b4d338834efdada571d2f_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzQtMS0xLTEtMA_51df4292-fba6-49b7-a896-976cc44e767d"
      unitRef="shares">18662</smlp:PreferredUnitExchangeOffer>
    <us-gaap:PartnersCapitalAccountUnits
      contextRef="i2eb69a919a1d41a983f575e9b432ba53_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTplOTkzNjk2NjU2NWQ0NjgzOWM3NjRlZmYxYmZjYzEyOS90YWJsZXJhbmdlOmU5OTM2OTY2NTY1ZDQ2ODM5Yzc2NGVmZjFiZmNjMTI5XzYtMS0xLTEtMA_50cee050-6488-4064-9fae-82161d474be7"
      unitRef="shares">143447</us-gaap:PartnersCapitalAccountUnits>
    <us-gaap:PartnersCapitalAccountUnitsConverted
      contextRef="i5dfbca266e604d288e489dee205e3419_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzE2NDkyNjc0NTQzMjc_78ee846a-4d8b-42eb-abc0-f711d4932d19"
      unitRef="shares">538715</us-gaap:PartnersCapitalAccountUnitsConverted>
    <us-gaap:PreferredUnitsIssued
      contextRef="ibc9087d9aa3742b48c2b9ac52405184f_I20210430"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzE2NDkyNjc0NTQzMzk_e9795e81-29ea-43ef-834e-60e3c31dfd99"
      unitRef="shares">18662</us-gaap:PreferredUnitsIssued>
    <smlp:PreferredUnitExchangeNetOfSharesWithheldForTaxes
      contextRef="if849c47f75c94a6781cc790cafce1bd1_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODkxNjI_b777bbbc-fd0b-4816-848e-49ab733a0cb9"
      unitRef="shares">817845</smlp:PreferredUnitExchangeNetOfSharesWithheldForTaxes>
    <us-gaap:PreferredUnitsIssued
      contextRef="iefb0307b8d594dd296a7411b6e00c280_I20200731"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzQ0MjQ_30599e37-52ed-49c2-8aa2-2286fb188266"
      unitRef="shares">62816</us-gaap:PreferredUnitsIssued>
    <smlp:StockPurchasedDuringPeriodShares
      contextRef="i512c59da41d54af08c42ea9c8595fabe_D20201201-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzQ1OTI_d1dbb2f9-2785-4dab-a990-4015f8987e4c"
      unitRef="shares">75075</smlp:StockPurchasedDuringPeriodShares>
    <smlp:PurchasePricePerShare
      contextRef="i512c59da41d54af08c42ea9c8595fabe_D20201201-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzQ2NDQ_a75272c0-b973-4112-9821-f17271e5b645"
      unitRef="usdPerShare">333.00</smlp:PurchasePricePerShare>
    <smlp:StockPurchasedDuringPeriodValue
      contextRef="i512c59da41d54af08c42ea9c8595fabe_D20201201-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzQ3MTA_730a5ed3-593c-4484-bf56-4b3449415977"
      unitRef="usd">25000000</smlp:StockPurchasedDuringPeriodValue>
    <us-gaap:PreferredStockDividendRatePercentage
      contextRef="id5645d4a59a54656b8b5708638a71ae3_D20210101-20211231"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzY3ODM_cfb25082-5b2e-462d-8d46-af7c4e2d397f"
      unitRef="number">0.0700</us-gaap:PreferredStockDividendRatePercentage>
    <us-gaap:PreferredStockLiquidationPreference
      contextRef="ib6760452c5cb4060943e85e78e9b1be2_I20211231"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzY4MDM_7e501eaf-d925-4e47-92a9-8168a3be1567"
      unitRef="usdPerShare">1000</us-gaap:PreferredStockLiquidationPreference>
    <smlp:PercentageOfSubsidiaryUnits
      contextRef="iae7834c0e3d445c5a03fe73c330b41cf_D20200121-20200121"
      decimals="4"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzY5OTg_3c21bd44-414e-4fce-a500-45cb5f493462"
      unitRef="number">0.0700</smlp:PercentageOfSubsidiaryUnits>
    <smlp:PercentageOfUndrawnCommitmentUnits
      contextRef="iae7834c0e3d445c5a03fe73c330b41cf_D20200121-20200121"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzcwNDU_6cb374a2-e5f6-41a2-9b7f-34d98e562aab"
      unitRef="number">0.0100</smlp:PercentageOfUndrawnCommitmentUnits>
    <us-gaap:PreferredUnitsIssued
      contextRef="i81efb8b0c4b5456faa25decb9769297d_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODMzMjU_1af1bce3-e66e-4833-935c-ac53e336f0b2"
      unitRef="shares">50000000</us-gaap:PreferredUnitsIssued>
    <us-gaap:SharesIssuedPricePerShare
      contextRef="i81efb8b0c4b5456faa25decb9769297d_I20201231"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzcxNzQ_d2fcbc93-47f3-4198-9b97-64a2211c5824"
      unitRef="usdPerShare">1000</us-gaap:SharesIssuedPricePerShare>
    <us-gaap:ProceedsFromIssuanceOfCommonLimitedPartnersUnits
      contextRef="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzcyMDY_e5a25ea7-4238-4369-b22b-c805b7f3d2c3"
      unitRef="usd">48700000</us-gaap:ProceedsFromIssuanceOfCommonLimitedPartnersUnits>
    <smlp:PreferredUnitsIssuedDuringPeriod
      contextRef="i6e4b7f944b0c4d4192115389be491fd7_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODMyNjc_966ed366-c441-4830-b8ea-80b005dcffe4"
      unitRef="shares">6131000</smlp:PreferredUnitsIssuedDuringPeriod>
    <smlp:PreferredUnitsIssuedDuringPeriod
      contextRef="i501092b406694f999a5a1ba0ab842745_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODMyNzU_7f151d4f-341d-4c35-9dc8-80e00079b956"
      unitRef="shares">5251000</smlp:PreferredUnitsIssuedDuringPeriod>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="i9abde4a6424c4393a52bbebe5c67eb77_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQxODE_85f888cf-1076-4fdf-9a86-fa40474180f2"
      unitRef="shares">91439000</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredUnitsOutstanding
      contextRef="ibcbaf6b70b7a40fc96e212131f974054_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQxOTc_7fb7d073-a3a6-4dd8-a69e-53464b72d3e1"
      unitRef="shares">85308000</us-gaap:PreferredUnitsOutstanding>
    <us-gaap:PreferredStockRedemptionAmount
      contextRef="ib6760452c5cb4060943e85e78e9b1be2_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODMzNjM_1d7a2fd1-6e4c-4fcd-8210-0816cd285299"
      unitRef="usd">114300000</us-gaap:PreferredStockRedemptionAmount>
    <us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzExNzAy_24e67ee2-fbc1-400d-8f04-e9e2c5b41e1c">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table shows the change in the Partnership&#x2019;s Subsidiary Series A Preferred Unit balance during the year ended December&#160;31, 2021:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:86.180%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.620%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;27,450&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;New issuances&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;50,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PIK distributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,251&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Issuance costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,290)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Redemption accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;89,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;PIK distributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Redemption accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Balance at December 31, 2021 &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:700;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;106,325&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:11.2pt"&gt;Amount is net of $3.9 million of issuance costs at December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;</us-gaap:ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetTextBlock>
    <us-gaap:PartnersCapital
      contextRef="i21e6e10b3e1b4e1785710543013a68f8_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzItMS0xLTEtMA_e48d27a3-f83a-4b29-a883-29953027d3c5"
      unitRef="usd">27450000</us-gaap:PartnersCapital>
    <us-gaap:StockIssuedDuringPeriodValueNewIssues
      contextRef="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzMtMS0xLTEtMA_89b0a1c5-4ebc-4634-94fa-19b515bdd63e"
      unitRef="usd">50000000</us-gaap:StockIssuedDuringPeriodValueNewIssues>
    <smlp:DistributionMadeToLimitedPartnerValueUnitDistribution
      contextRef="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzQtMS0xLTEtMA_bafcd8ce-4532-4504-bc53-0f1adc502fd0"
      unitRef="usd">5251000</smlp:DistributionMadeToLimitedPartnerValueUnitDistribution>
    <us-gaap:PaymentsOfStockIssuanceCosts
      contextRef="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzUtMS0xLTEtMA_9bfd8121-babd-410f-8da9-dd5f69b564c2"
      unitRef="usd">1290000</us-gaap:PaymentsOfStockIssuanceCosts>
    <us-gaap:PreferredStockAccretionOfRedemptionDiscount
      contextRef="ia3b3eaf910c44ba09a4d4189d54214bf_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzYtMS0xLTEtMA_023ca599-070a-4d9c-ba55-049e371dddfc"
      unitRef="usd">8247000</us-gaap:PreferredStockAccretionOfRedemptionDiscount>
    <us-gaap:PartnersCapital
      contextRef="i81efb8b0c4b5456faa25decb9769297d_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzctMS0xLTEtMA_3d82c5dd-0b21-4fcb-bf2d-959bead163e4"
      unitRef="usd">89658000</us-gaap:PartnersCapital>
    <smlp:DistributionMadeToLimitedPartnerValueUnitDistribution
      contextRef="id5645d4a59a54656b8b5708638a71ae3_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzgtMS0xLTEtMjIyNTQ_dd1ddd5d-5aa6-473f-af90-0f9888d3d6f1"
      unitRef="usd">6131000</smlp:DistributionMadeToLimitedPartnerValueUnitDistribution>
    <us-gaap:PreferredStockAccretionOfRedemptionDiscount
      contextRef="id5645d4a59a54656b8b5708638a71ae3_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzktMS0xLTEtMjIyNTQ_962ac147-a9f1-455c-ae78-b4ca18ae787f"
      unitRef="usd">10536000</us-gaap:PreferredStockAccretionOfRedemptionDiscount>
    <us-gaap:PartnersCapital
      contextRef="ib6760452c5cb4060943e85e78e9b1be2_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90YWJsZTo4ODkzNThkYWNiMDg0ZWU0OWU5ODRmZmVmY2ZlMjk0YS90YWJsZXJhbmdlOjg4OTM1OGRhY2IwODRlZTQ5ZTk4NGZmZWZjZmUyOTRhXzEwLTEtMS0xLTI1OTYx_c6cd7ff9-98a1-407c-a3cb-4238447cbc63"
      unitRef="usd">106325000</us-gaap:PartnersCapital>
    <us-gaap:PaymentsOfStockIssuanceCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzk0NDI_f4692bf4-eab9-4f59-a360-30b8be5b2694"
      unitRef="usd">3900000</us-gaap:PaymentsOfStockIssuanceCosts>
    <us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
      contextRef="id7cf19a886f1420788dae5c6a8dfa13c_D20200528-20200528"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzk1OTE_db5781a2-181c-431b-91bd-16a39601a2b4"
      unitRef="shares">537307</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
    <us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
      contextRef="i0b1384bb7c2f45c680cad8bfaae63d3e_D20200527-20200527"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQxNDY_852a21bf-1ac0-4946-8e24-2a95aae038e4"
      unitRef="shares">8059609</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
    <us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
      contextRef="ic6a27b2cfef6445cb3d574f6a7787c2f_D20200528-20200528"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzk2ODg_ce1d9518-7660-4bf9-b008-43b4358d8a50"
      unitRef="shares">129360</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
    <us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
      contextRef="icb15ea06e5754e2691317233c96cbe6a_D20200527-20200527"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQxNTc_e65ecad8-396e-43fd-adca-0de10beeba0a"
      unitRef="shares">1940391</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
    <us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
      contextRef="i51afd06a9f82464d993cc9d865508c55_I20200528"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5Xzk4NjA_d4580a2d-eb77-428a-8f43-7f0d96a1ecc6"
      unitRef="usdPerShare">15.35</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
    <us-gaap:WarrantsAndRightsOutstanding
      contextRef="i51afd06a9f82464d993cc9d865508c55_I20200528"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzI3NDg3NzkwODQ5MTc_41fa42b0-9d47-47a7-b32a-c5673a13edbb"
      unitRef="usd">2300000</us-gaap:WarrantsAndRightsOutstanding>
    <us-gaap:CommonUnitIssued
      contextRef="i7317855b8e0f4f908a4610cb06953a0d_I20210805"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjQyMDA_269e23b5-6876-45d8-b373-cdd4349be73d"
      unitRef="shares">414447</us-gaap:CommonUnitIssued>
    <smlp:GainLossOnWarrantExercise
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzgyNDYzMzcyMjc4NzY_777c3da0-43c1-457a-9b18-b274c76423b5"
      unitRef="usd">-13600000</smlp:GainLossOnWarrantExercise>
    <smlp:DistributionOfAllAvailableCashMaximumPeriodFollowingEndOfQuarter
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzEwOTMz_9d86556c-d76d-43d0-9193-88d0dc8b8d98">P45D</smlp:DistributionOfAllAvailableCashMaximumPeriodFollowingEndOfQuarter>
    <us-gaap:DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit
      contextRef="i8ec6195e9f154b3681afbf4fed91ae4d_D20200129-20200129"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzExNTQ5_b3d26a8b-2722-427c-875f-be8ba4c86942"
      unitRef="usdPerShare">0.125</us-gaap:DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit>
    <us-gaap:DistributionMadeToLimitedPartnerCashDistributionsDeclared
      contextRef="i8ec6195e9f154b3681afbf4fed91ae4d_D20200129-20200129"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xODQvZnJhZzoxZGVmMGFiMDJiMzQ0YTkzOWFiYTQxMGExY2JlZmY1OS90ZXh0cmVnaW9uOjFkZWYwYWIwMmIzNDRhOTM5YWJhNDEwYTFjYmVmZjU5XzExNjI4_6dd35e97-da0d-4650-b9ba-e3963706895c"
      unitRef="usd">11700000</us-gaap:DistributionMadeToLimitedPartnerCashDistributionsDeclared>
    <us-gaap:EarningsPerShareTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90ZXh0cmVnaW9uOmY2MmUyYjNhZThhOTQ5ZDk4NmNjMzAwMTkwNTUxNTYwXzMzMg_84081b09-696a-48fd-9ad7-5a737188e68b">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;13. EARNINGS PER UNIT&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table details the components of EPU.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands, except per-unit amounts)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Numerator for basic and diluted EPU:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Allocation of net income (loss) among limited partner interests:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(19,949)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;189,078&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income attributable to Subsidiary Series A Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(16,667)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(13,498)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net loss attributable to noncontrolling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net income (loss)  attributable Summit Midstream Partners, LP&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(36,616)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;178,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: Net income attributable to Series A Preferred Unit&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(15,998)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(26,529)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Add: Deemed capital contribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;110,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net income (loss) attributable to common limited partners&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(44,288)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;262,994&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Denominator for basic and diluted EPU:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Weighted-average common units outstanding &#x2013; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,592&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Effect of nonvested phantom units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average common units outstanding &#x2013; diluted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net Income (Loss) per limited partner unit:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common unit &#x2013; basic&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6.57)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;73.22&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common unit &#x2013; diluted&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6.57)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;71.19&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Nonvested anti-dilutive phantom units excluded from the calculation of diluted EPU&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;240&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90ZXh0cmVnaW9uOmY2MmUyYjNhZThhOTQ5ZDk4NmNjMzAwMTkwNTUxNTYwXzMzMw_fe3ba7d7-65b2-4be6-abd2-ee8fd92683ab">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table details the components of EPU.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands, except per-unit amounts)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Numerator for basic and diluted EPU:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Allocation of net income (loss) among limited partner interests:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(19,949)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;189,078&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net income attributable to Subsidiary Series A Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(16,667)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(13,498)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Net loss attributable to noncontrolling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net income (loss)  attributable Summit Midstream Partners, LP&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(36,616)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;178,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Less: Net income attributable to Series A Preferred Unit&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(15,998)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(26,529)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Add: Deemed capital contribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;110,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net income (loss) attributable to common limited partners&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(44,288)&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;262,994&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Denominator for basic and diluted EPU:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Weighted-average common units outstanding &#x2013; basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,592&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Effect of nonvested phantom units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average common units outstanding &#x2013; diluted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;6,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Net Income (Loss) per limited partner unit:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common unit &#x2013; basic&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6.57)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;73.22&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Common unit &#x2013; diluted&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6.57)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;71.19&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Nonvested anti-dilutive phantom units excluded from the calculation of diluted EPU&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;240&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:ProfitLoss
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzUtMS0xLTEtMA_c55b956d-bc07-430e-a548-d250882b4981"
      unitRef="usd">-19949000</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzUtMy0xLTEtMA_7fdf8a77-37a0-4b5a-bd95-2616e3046f29"
      unitRef="usd">189078000</us-gaap:ProfitLoss>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="i4826d81a6ce9448eb31cb291a938febc_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzYtMS0xLTEtMjMyNjc_c62bbbe8-2324-4069-bc8c-98ebdcdacfd9"
      unitRef="usd">-16667000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="ifb8ba3904c7a4b0bbdc06463e3d33b61_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzYtMy0xLTEtMjMyNjc_24e85fc2-f646-437b-a970-7d16889fdfab"
      unitRef="usd">-13498000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzctMS0xLTEtMA_7a114ab8-dec9-4827-8d02-ff667699c9b6"
      unitRef="usd">0</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzctMy0xLTEtMA_3c77f00a-947a-497e-a3c3-ee74c17247e5"
      unitRef="usd">3274000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLoss
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzgtMS0xLTEtMA_4a95e9bf-9454-4733-8939-4fda54672955"
      unitRef="usd">-36616000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzgtMy0xLTEtMA_a168a472-c32c-484b-bc44-38876bcd8785"
      unitRef="usd">178854000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="ieed7b86a38944afe8207a520a1844a6c_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzEwLTEtMS0xLTA_bea71892-87af-4628-8bac-1fd10f0cb655"
      unitRef="usd">-15998000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="id0cc5be7d9fb4dda9ae100a70f5bead2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzEwLTMtMS0xLTA_540fa71a-5d92-4aad-a1a0-5598ca13c1ce"
      unitRef="usd">-26529000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <smlp:ContributedCapitalFromPreferredUnitsExchange
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzExLTEtMS0xLTA_6559d078-99af-4fc8-aeeb-83720a450c2d"
      unitRef="usd">8326000</smlp:ContributedCapitalFromPreferredUnitsExchange>
    <smlp:ContributedCapitalFromPreferredUnitsExchange
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzExLTMtMS0xLTIzMjg3_822c55e8-5d1d-4ff4-92eb-7fcfc2c54706"
      unitRef="usd">110669000</smlp:ContributedCapitalFromPreferredUnitsExchange>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzEyLTEtMS0xLTA_27b92563-146b-4a8e-b967-00918cb481c7"
      unitRef="usd">-44288000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:NetIncomeLossAllocatedToLimitedPartners
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzEyLTMtMS0xLTA_f007b2c9-10ca-48b6-a2ff-911916e97b9f"
      unitRef="usd">262994000</us-gaap:NetIncomeLossAllocatedToLimitedPartners>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE1LTEtMS0xLTA_d14ef936-d120-44ac-b125-d66e7a5bc143"
      unitRef="shares">6741000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE1LTMtMS0xLTA_98570b0e-606f-4337-a2f1-ca88295c07c3"
      unitRef="shares">3592000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstanding>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE2LTEtMS0xLTA_b5853163-e501-40c0-b8b0-6a1aaaa6fbcc"
      unitRef="shares">0</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE2LTMtMS0xLTA_1d360905-8fc6-4077-91d0-12ff4f61bbcf"
      unitRef="shares">102000</us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE3LTEtMS0xLTA_c3d603fb-ece0-46a4-9ced-5a62ec8ea0d9"
      unitRef="shares">6741000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted>
    <us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzE3LTMtMS0xLTA_0d76cedb-a237-4e39-b437-000c0e479348"
      unitRef="shares">3694000</us-gaap:WeightedAverageLimitedPartnershipUnitsOutstandingDiluted>
    <us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIwLTEtMS0xLTA_0c6fc41f-6853-4648-bdd8-9684cffc7944"
      unitRef="usdPerShare">-6.57</us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax>
    <us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIwLTMtMS0xLTA_d3d9b882-4c8d-4b53-b9f1-65a610a73632"
      unitRef="usdPerShare">73.22</us-gaap:NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax>
    <us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
      contextRef="iacdcdb2133d44732ad4b64e5553cb0f5_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIxLTEtMS0xLTA_bcea6a89-ea0c-49f2-a992-2bae08cbaae3"
      unitRef="usdPerShare">-6.57</us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted>
    <us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted
      contextRef="i3fe8ce53b5e24b26a4d48e9e396176bd_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIxLTMtMS0xLTA_f0d37702-83d0-4f40-abe0-4b868b8f449d"
      unitRef="usdPerShare">71.19</us-gaap:NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="ifaa5c361322c4cfea6efa4b72ee8c214_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIzLTEtMS0xLTA_18e1a3ee-32b8-4543-9817-b2b41c7e9cce"
      unitRef="shares">203</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="iacd8842aa4d7423ba68067ec161e7685_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTAvZnJhZzpmNjJlMmIzYWU4YTk0OWQ5ODZjYzMwMDE5MDU1MTU2MC90YWJsZTo2YzJmMzU5NWY1MWI0YTE5OWJjOTg3NDA2ODU4NTI2OS90YWJsZXJhbmdlOjZjMmYzNTk1ZjUxYjRhMTk5YmM5ODc0MDY4NTg1MjY5XzIzLTMtMS0xLTA_05a78815-3b3b-4e05-b372-a21ffb1fb9ca"
      unitRef="shares">240</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:CashFlowSupplementalDisclosuresTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90ZXh0cmVnaW9uOjA5NGU4MzNkYjM4ZDQ0MjA5YTZkNDNjZDVkMmVhOTFmXzQ1_04f1dd32-4bfe-415c-bbec-ab303255e59c">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;14. SUPPLEMENTAL CASH FLOW INFORMATION&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Supplemental cash flow information:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash interest paid&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;57,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;79,450&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash paid for taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;191&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;190&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncash investing and financing activities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Capital expenditures in trade accounts payable (period-end accruals)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Warrant issuance for GP Buy-In Transaction&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,300&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Right-of-use assets relating to ASC Topic 842&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,685&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Fair value of SMLP equity for TL Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30,521&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Accretion of Subsidiary Series A Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Exercise of ECP Warrants&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,542&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:CashFlowSupplementalDisclosuresTextBlock>
    <us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90ZXh0cmVnaW9uOjA5NGU4MzNkYjM4ZDQ0MjA5YTZkNDNjZDVkMmVhOTFmXzQ2_ffe199d6-827f-47b8-9f06-af8bf5294d09">&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:middle"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Supplemental cash flow information:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash interest paid&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;57,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;79,450&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash paid for taxes&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;191&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;190&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Noncash investing and financing activities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Capital expenditures in trade accounts payable (period-end accruals)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Warrant issuance for GP Buy-In Transaction&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,300&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Right-of-use assets relating to ASC Topic 842&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,685&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Fair value of SMLP equity for TL Restructuring&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30,521&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Accretion of Subsidiary Series A Preferred Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;10,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Exercise of ECP Warrants&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;15,542&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock>
    <us-gaap:InterestPaidNet
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzQtMS0xLTEtMA_146410a0-b328-444f-a5ff-cb652e8ce0c1"
      unitRef="usd">57655000</us-gaap:InterestPaidNet>
    <us-gaap:InterestPaidNet
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzQtMy0xLTEtMA_c6be5a0a-bd7c-4cbf-89da-d6f0d64c8715"
      unitRef="usd">79450000</us-gaap:InterestPaidNet>
    <us-gaap:IncomeTaxesPaid
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzgtMS0xLTEtMA_463e88ea-20ff-47b1-ad9d-94ca4db519d5"
      unitRef="usd">191000</us-gaap:IncomeTaxesPaid>
    <us-gaap:IncomeTaxesPaid
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzgtMy0xLTEtMA_23b15a25-2b48-42f8-8f91-571dc1acdd91"
      unitRef="usd">190000</us-gaap:IncomeTaxesPaid>
    <us-gaap:CapitalExpendituresIncurredButNotYetPaid
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzExLTEtMS0xLTA_3292ab6b-0fd3-4944-8ff9-f9cbf4ea46bb"
      unitRef="usd">5692000</us-gaap:CapitalExpendituresIncurredButNotYetPaid>
    <us-gaap:CapitalExpendituresIncurredButNotYetPaid
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzExLTMtMS0xLTA_12f2d0de-2188-42b9-8064-f7e43f639db4"
      unitRef="usd">6154000</us-gaap:CapitalExpendituresIncurredButNotYetPaid>
    <smlp:WarrantIssuanceForGPBuyInTransaction
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzEyLTEtMS0xLTA_08761328-a12d-40cb-9682-8c4c1011f2dc"
      unitRef="usd">0</smlp:WarrantIssuanceForGPBuyInTransaction>
    <smlp:WarrantIssuanceForGPBuyInTransaction
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzEyLTMtMS0xLTA_7da93287-5342-4f25-bf80-961edbdebd60"
      unitRef="usd">2300000</smlp:WarrantIssuanceForGPBuyInTransaction>
    <smlp:OperatingAndFinanceLeaseRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE0LTEtMS0xLTA_e120ef3a-a3b3-4f2e-afaf-8e9aa13bab22"
      unitRef="usd">0</smlp:OperatingAndFinanceLeaseRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <smlp:OperatingAndFinanceLeaseRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE0LTMtMS0xLTA_a0b38925-6b46-4fba-9809-04be05246b47"
      unitRef="usd">3685000</smlp:OperatingAndFinanceLeaseRightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <smlp:FairValueOfEquityForTLRestructuring
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE1LTEtMS0xLTA_0a43a011-0b9f-4a04-93e1-7f2908848cbc"
      unitRef="usd">0</smlp:FairValueOfEquityForTLRestructuring>
    <smlp:FairValueOfEquityForTLRestructuring
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE1LTMtMS0xLTA_ba275412-a79b-4e98-acc8-f07bf18d606f"
      unitRef="usd">30521000</smlp:FairValueOfEquityForTLRestructuring>
    <us-gaap:PreferredStockAccretionOfRedemptionDiscount
      contextRef="ieed7b86a38944afe8207a520a1844a6c_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE2LTEtMS0xLTA_25a73ba8-b79d-4859-b175-3dbfa9bc6bb1"
      unitRef="usd">10536000</us-gaap:PreferredStockAccretionOfRedemptionDiscount>
    <us-gaap:PreferredStockAccretionOfRedemptionDiscount
      contextRef="id0cc5be7d9fb4dda9ae100a70f5bead2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE2LTMtMS0xLTA_19b34c3c-f199-43c7-8883-eabf7d485abb"
      unitRef="usd">8247000</us-gaap:PreferredStockAccretionOfRedemptionDiscount>
    <us-gaap:ProceedsFromWarrantExercises
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE2LTEtMS0xLTIyNTQy_596ba2c8-1ccb-40dd-ba37-979b259014e1"
      unitRef="usd">15542000</us-gaap:ProceedsFromWarrantExercises>
    <us-gaap:ProceedsFromWarrantExercises
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTMvZnJhZzowOTRlODMzZGIzOGQ0NDIwOWE2ZDQzY2Q1ZDJlYTkxZi90YWJsZTphOGMyZWI4YTZjYjc0YTExYmI2NzY1YzZiNjdjM2U2ZS90YWJsZXJhbmdlOmE4YzJlYjhhNmNiNzRhMTFiYjY3NjVjNmI2N2MzZTZlXzE2LTMtMS0xLTIyNTQy_7870f0a4-9934-455a-a344-62767dc700bd"
      unitRef="usd">0</us-gaap:ProceedsFromWarrantExercises>
    <us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzI1NjY_251c2ee4-7d88-4744-9c9a-ca3d3e0d9fff">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;15. UNIT-BASED AND NONCASH COMPENSATION&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;SMLP Long-Term Incentive Plan.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership&#x2019;s Long-Term Incentive Plan (&#x201c;SMLP LTIP&#x201d;) provides for equity awards to eligible officers, employees, consultants and directors of the Partnership, thereby linking the recipients' compensation directly to SMLP&#x2019;s performance. The SMLP LTIP provides for the granting, from time to time, of unit-based awards, including common units, restricted units, phantom units, unit options, unit appreciation rights, distribution equivalent rights, profits interest units and other unit-based awards. Grants are made at the discretion of the Board of Directors or Compensation Committee. A total of&#160;1.0 million common units was reserved for issuance pursuant to and in accordance with the SMLP LTIP. As of December&#160;31, 2021, approximately&#160;0.3 million common units remained available for future issuance. Significant items for the year ended December&#160;31, 2021: &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;For the year ended December&#160;31, 2021, the Partnership granted 159,239 phantom units and associated distribution equivalent rights to employees. These awards had a grant date fair value of $20.65 per common unit and vest ratably over a three-year period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt"&gt;For the year ended December&#160;31, 2021, the Partnership issued 40,002 common units to the Partnership&#x2019;s six independent directors in connection with their annual compensation plan. These awards had a grant date fair value of $28.99 per common unit and vested immediately.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table presents phantom unit activity for the periods presented:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Weighted-average grant date fair value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;140,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;115.35&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;345,997&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9.20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(193,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;54.07&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,357)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;291,691&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26.57&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;199,241&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22.33&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(143,768)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30.66&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(13,385)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;38.85&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;333,779&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21.78&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A phantom unit is a notional unit that entitles the grantee to receive a common unit upon the vesting of the phantom unit or on a deferred basis upon specified future dates or events or, in the discretion of the administrator, cash equal to the fair market value of a common unit. Distribution equivalent rights for each phantom unit provide for a lump sum cash amount equal to the accrued distributions from the grant date to be paid in cash upon the vesting date.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%"&gt;P&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;hantom units granted to date generally vest ratably over a &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzE2NDkyNjc0NDYzNTA_6b8d5b23-e630-47fd-9e7f-6a7a2f7be30a"&gt;three&lt;/span&gt;&#160;year period. Grant date fair value is determined based on the closing price of SMLP&#x2019;s common units on the date of grant multiplied by the number of phantom units awarded to the grantee. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Forfeitures are recorded as incurred. Holders of all phantom units granted to date are entitled to receive distribution equivalent rights for each phantom unit, providing for a lump sum cash amount equal to the accrued distributions from the grant date of the phantom units to be paid in cash upon the vesting date. Upon vesting, phantom unit awards may be settled, at the Partnership&#x2019;s discretion, in cash and/or common units, but the current intention is to settle all phantom unit awards with common units.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The intrinsic value of phantom units that vested during the years ended December&#160;31, follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Intrinsic value of vested LTIP awards&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,602&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;As of December&#160;31, 2021, the unrecognized unit-based compensation related to the SMLP LTIP was $2.6 million. Incremental unit-based compensation will be recorded over the remaining weighted-average vesting period of approximately&#160;1.3 years.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Unit-based compensation recognized in general and administrative expense related to awards under the SMLP LTIP follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;SMLP LTIP unit-based compensation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,111&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
      contextRef="i225a009cb7cb4e3f812434c289b128f8_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzY3Nw_4951048f-05b4-4f17-a123-2a976b76436c"
      unitRef="shares">1000000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="if62d1a7d28b34e1cbe6aea598cd3a922_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzc5Mw_1ca5d25b-9625-422c-926c-954260c16b9f"
      unitRef="shares">300000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="ied68fe7b0c724f16bdc5c271745975c0_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxMDM_4a74ab29-9457-4ff3-8a5b-eb9e6dc53e2b"
      unitRef="shares">159239</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
      contextRef="ied68fe7b0c724f16bdc5c271745975c0_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxMTI_9996deec-0b49-4490-8726-12a05806442a"
      unitRef="usdPerShare">20.65</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="ied68fe7b0c724f16bdc5c271745975c0_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxNTc_8908ab9a-b30d-4f9c-965b-aa90bef3f5fe">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
      contextRef="i1c446415cc654cec851969633811599e_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxMjA_ec10832e-acac-4331-99ce-48377fccea18"
      unitRef="shares">40002</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod>
    <smlp:NumberOfDirectors
      contextRef="i1c446415cc654cec851969633811599e_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxNDA_c42b3138-adf0-411b-b5ac-36473a560cc8"
      unitRef="director">6</smlp:NumberOfDirectors>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
      contextRef="i1c446415cc654cec851969633811599e_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzgyNDYzMzcyMTIxMjg_2eb9d51e-49bb-4c24-a564-cc93c3b7d10f"
      unitRef="usdPerShare">28.99</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue>
    <us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzI1Njc_dc6e95a2-6f76-4183-8952-5aa72563e211">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The following table presents phantom unit activity for the periods presented:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Weighted-average grant date fair value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;140,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;115.35&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;345,997&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9.20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(193,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;54.07&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,357)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119.24&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;291,691&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;26.57&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;199,241&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;22.33&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(143,768)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;30.66&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Phantom units forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(13,385)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;38.85&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Nonvested phantom units, December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;333,779&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21.78&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
      contextRef="ic78a8f90d49544c1b4a8eb32fb53fd4b_I20191231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzEtMS0xLTEtMA_6dc7321d-03bb-4f91-9868-f5517e116d64"
      unitRef="shares">140400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="ic78a8f90d49544c1b4a8eb32fb53fd4b_I20191231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzEtMy0xLTEtMA_253d21b5-f053-43c6-9ddd-2c4b029c4c47"
      unitRef="usdPerShare">115.35</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzItMS0xLTEtMA_0678c971-0b23-4065-85d3-ece0b8b682ae"
      unitRef="shares">345997</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzItMy0xLTEtMA_b476cc52-e358-488e-af59-3e44739e4c58"
      unitRef="usdPerShare">9.20</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzMtMS0xLTEtMA_7560591c-e182-4b93-8bd4-9b008cda48eb"
      unitRef="shares">193349</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzMtMy0xLTEtMA_84e564af-ef03-4516-be02-1525100eeb02"
      unitRef="usdPerShare">54.07</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzQtMS0xLTEtMA_666a3ed3-2c46-411b-be2b-a8c813b6ef49"
      unitRef="shares">1357</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzQtMy0xLTEtMA_4b5c245c-cab1-44ad-b6ce-4a9bd9af77af"
      unitRef="usdPerShare">119.24</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
      contextRef="iadb4485699a24264a56099971e1524a8_I20201231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzUtMS0xLTEtMA_4861301f-0c05-419e-af23-dde6880f2267"
      unitRef="shares">291691</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="iadb4485699a24264a56099971e1524a8_I20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzUtMy0xLTEtMA_b0a592bd-2cb9-4a28-bfc5-0142d81495ea"
      unitRef="usdPerShare">26.57</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzYtMS0xLTEtMA_956163a1-05b4-4d25-998d-490097cec838"
      unitRef="shares">199241</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzYtMy0xLTEtMA_1cdfdd42-5f44-4a83-b54b-c1d6b8935d57"
      unitRef="usdPerShare">22.33</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzctMS0xLTEtMA_3b8ccaa9-7a03-4a90-8427-7f359d7ef4f4"
      unitRef="shares">143768</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzctMy0xLTEtMA_87f7e5ef-e0fc-43f5-89f9-02f31478d737"
      unitRef="usdPerShare">30.66</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzgtMS0xLTEtMA_c25876c3-7fe2-4bb5-b43b-0163a4b5268a"
      unitRef="shares">13385</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzgtMy0xLTEtMA_f29fd871-296f-4fc4-9c2b-f0652aac9d94"
      unitRef="usdPerShare">38.85</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
      contextRef="ic9a0a3307ddf4a1c9641f4bd36b205f3_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzktMS0xLTEtMA_35a4ad7e-861f-467d-8431-ba0dcc6264ed"
      unitRef="shares">333779</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
      contextRef="ic9a0a3307ddf4a1c9641f4bd36b205f3_I20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo5NjhjOWNhMmQ0MWI0ZTIxODdkZWVjZDI0NDBmY2VlMi90YWJsZXJhbmdlOjk2OGM5Y2EyZDQxYjRlMjE4N2RlZWNkMjQ0MGZjZWUyXzktMy0xLTEtMA_072ed814-8065-4135-9a1b-796aed220f2b"
      unitRef="usdPerShare">21.78</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzI1Njg_54531e4f-7a10-45de-bd99-df9afd1a8b63">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The intrinsic value of phantom units that vested during the years ended December&#160;31, follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Intrinsic value of vested LTIP awards&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,602&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableTableTextBlock>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested
      contextRef="if8f0f66632f841cc84b913d3f51386a6_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZToxN2E3ZjZiZjNlMTk0YzZjYmU2MGJiZDhkOGY3NWYwZC90YWJsZXJhbmdlOjE3YTdmNmJmM2UxOTRjNmNiZTYwYmJkOGQ4Zjc1ZjBkXzMtMS0xLTEtMA_4ca25876-0700-4abe-8242-4eaa7fc25b03"
      unitRef="usd">4407000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested
      contextRef="ie936529ab0594c5eaf3f77aa6c1697f0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZToxN2E3ZjZiZjNlMTk0YzZjYmU2MGJiZDhkOGY3NWYwZC90YWJsZXJhbmdlOjE3YTdmNmJmM2UxOTRjNmNiZTYwYmJkOGQ4Zjc1ZjBkXzMtMy0xLTEtMA_5f7459fd-dc11-4466-9263-67a9898427a5"
      unitRef="usd">2602000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
      contextRef="if62d1a7d28b34e1cbe6aea598cd3a922_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzIzMTY_c84d62c7-22ec-4da2-83fd-45dc559d0eaf"
      unitRef="usd">2600000</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzI0NDE_aa1aaea7-0853-44d9-936c-9fa334f562a7">P1Y3M18D</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1>
    <us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90ZXh0cmVnaW9uOmE0MzhkZDcyMWQwZTQ0NTBhM2NmMmQ1NmYyNjE2YTYzXzI1Njk_836eec3a-9fbe-40f1-9341-7b39212d91e6">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Unit-based compensation recognized in general and administrative expense related to awards under the SMLP LTIP follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;SMLP LTIP unit-based compensation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;4,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,111&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="if214e30ab2a04e12806ffd2baebeafe5_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo1ZmYyOWUwZmM4YTY0NmU0YWE5N2U5MDM4M2M4NjFjNy90YWJsZXJhbmdlOjVmZjI5ZTBmYzhhNjQ2ZTRhYTk3ZTkwMzgzYzg2MWM3XzMtMS0xLTEtMA_d8f6f88e-f650-4c72-b672-d8c6a0880fdb"
      unitRef="usd">4744000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <us-gaap:PartnersCapitalAccountUnitBasedCompensation
      contextRef="id6fa71e9e5b44855ae11594f21aab8b1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTYvZnJhZzphNDM4ZGQ3MjFkMGU0NDUwYTNjZjJkNTZmMjYxNmE2My90YWJsZTo1ZmYyOWUwZmM4YTY0NmU0YWE5N2U5MDM4M2M4NjFjNy90YWJsZXJhbmdlOjVmZjI5ZTBmYzhhNjQ2ZTRhYTk3ZTkwMzgzYzg2MWM3XzMtMy0xLTEtMA_05147b37-8db7-486f-a972-b94e7c2e317f"
      unitRef="usd">8111000</us-gaap:PartnersCapitalAccountUnitBasedCompensation>
    <us-gaap:LesseeOperatingLeasesTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzI5ODA_76901d7a-d514-447e-9b4d-5448ea8b819c">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;16. LEASES&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;Leases.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;The Partnership leases certain office space and equipment under operating leases. The Partnership leases office space for terms of between&#160;3&#160;and&#160;10 years. Office space leases limit exposure to risks related to ownership, such as fluctuations in real estate prices. The Partnership leases equipment primarily to support its operations in response to the needs of its gathering systems for terms of between&#160;3&#160;and&#160;4 years. The Partnership also leases vehicles under finance leases to support its operations in response to the needs of its gathering systems for a term of&#160;3 years.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Some&#160;of the Partnerships&#160;leases are subject to annual escalations relating to the Consumer Price Index (&#x201c;CPI&#x201d;). While lease liabilities are not remeasured as a result of changes to the CPI, changes to the CPI are treated as variable lease payments and recognized in the period in which the obligation for those payments was incurred.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Significant assumptions or judgments include the determination of whether a contract contains a lease and the discount rate used in the lease liabilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The rate implicit in the lease contracts are not readily determinable. In determining the discount rate used in for lease liabilities, the Partnership analyzed certain factors in its incremental borrowing rate, including collateral assumptions and the term used. The incremental borrowing rate on the ABL Facility was&#160;3.38% at December&#160;31, 2021, which reflects the fixed rate at which the Partnership could borrow a similar amount, for a similar term and with similar collateral as in the lease contracts at the commencement date.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets (included in the &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_7261174e-97cf-4476-9943-13b34afb4154"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_ba4d9b58-b99f-42c2-8e9d-19190b9f4d39"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fb06e5ee-08a7-42ed-807f-87fd32e6d500"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fe9bdd51-5891-465f-be34-4eaa5dd7bbb3"&gt;other noncurrent assets&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; caption on the Partnership&#x2019;s consolidated balance sheet) and lease liabilities (included in the &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_05ba815c-11cd-46d6-ac36-e97556537dbc"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_6af787bb-872b-4720-933e-3a7165e7f5bb"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_a0e33fac-a697-4f0a-8f4e-198b89c81809"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_b5f37812-eb7b-4a6d-b4c9-d51876e46420"&gt;Other current liabilities&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; and &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_529ffb65-27a3-4b5d-999c-25df929385a8"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_70f0f5ad-a6a7-42f3-b1e3-d3eddbc71632"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_8377a66d-0499-4213-9b9c-20ded229e66d"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_cdda1c7c-cd90-4c0a-82fc-420a5a00af93"&gt;Other noncurrent liabilities&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; captions on the Partnership&#x2019;s consolidated balance sheet) follow:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;ROU assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,736&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,748&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,307&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease liabilities, current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,213&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,380&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,916&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease liabilities, noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,272&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,182&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;122&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,394&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,336&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Lease cost and Other information follow:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance lease cost:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization of ROU assets (included in depreciation and amortization)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest on lease liabilities (included in interest expense)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating lease cost (included in general and administrative expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,644&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,970&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other information&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash paid for amounts included in the measurement of lease liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating cash outflows from operating leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating cash outflows from finance leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;52&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Financing cash outflows from finance leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;634&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,150&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets obtained in exchange for new operating lease liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,552&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets obtained in exchange for new finance lease liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;94&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average remaining lease term (years) - operating leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5.1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4.9&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average remaining lease term (years) - finance leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1.1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1.4&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average discount rate - operating leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average discount rate - finance leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognizes total lease expense incurred or allocated to us in general and administrative expenses. Lease expense related to operating leases, including lease expense incurred on the Partnership&#x2019;s behalf and allocated to us, was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Lease expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Future minimum lease payments due under noncancelable leases at December&#160;31, 2021, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;573&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;38&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total future minimum lease payments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,798&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;299&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LesseeOperatingLeasesTextBlock>
    <us-gaap:LesseeOperatingLeaseTermOfContract
      contextRef="i45472ca3dcab4c91be3b25114ac63dbe_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzE2Mw_ff5cbbe7-dc82-4bf2-8a18-b63b2188004f">P3Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeOperatingLeaseTermOfContract
      contextRef="ie8d7f75abece4695852c787aa33f890c_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzE3MA_636510d6-00f2-490c-b80f-7f064cf36db6">P10Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeOperatingLeaseTermOfContract
      contextRef="i6dc193de71d5488eb30015da8f62932b_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzQyNA_1b01bb98-a44a-478f-99ae-f8b2707ae394">P3Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeOperatingLeaseTermOfContract
      contextRef="ia907a87ec38643d0a69f5809db131d62_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzQzMQ_17f18406-c08b-4931-aa8e-f2953be3bf83">P4Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeFinanceLeaseTermOfContract1
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzU4Mw_87d5fd06-6dfd-4c99-84cb-cad2b631d3aa">P3Y</us-gaap:LesseeFinanceLeaseTermOfContract1>
    <smlp:IncrementalBorrowingRate
      contextRef="i6c387cfc46d14183be3a10226bda5dc7_D20210101-20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNjA_6e8059f1-f419-4407-a8b7-d8434e08e985"
      unitRef="number">0.0338</smlp:IncrementalBorrowingRate>
    <smlp:LeaseAssetsAndLiabilitiesTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzI5ODE_10d7bf63-216f-4e36-adc5-81c55dd04720">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets (included in the &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_7261174e-97cf-4476-9943-13b34afb4154"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_ba4d9b58-b99f-42c2-8e9d-19190b9f4d39"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fb06e5ee-08a7-42ed-807f-87fd32e6d500"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTUxNTg_fe9bdd51-5891-465f-be34-4eaa5dd7bbb3"&gt;other noncurrent assets&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; caption on the Partnership&#x2019;s consolidated balance sheet) and lease liabilities (included in the &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_05ba815c-11cd-46d6-ac36-e97556537dbc"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_6af787bb-872b-4720-933e-3a7165e7f5bb"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_a0e33fac-a697-4f0a-8f4e-198b89c81809"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTY_b5f37812-eb7b-4a6d-b4c9-d51876e46420"&gt;Other current liabilities&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; and &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_529ffb65-27a3-4b5d-999c-25df929385a8"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_70f0f5ad-a6a7-42f3-b1e3-d3eddbc71632"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_8377a66d-0499-4213-9b9c-20ded229e66d"&gt;&lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzgyNDYzMzcyMTIyOTc_cdda1c7c-cd90-4c0a-82fc-420a5a00af93"&gt;Other noncurrent liabilities&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt; captions on the Partnership&#x2019;s consolidated balance sheet) follow:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;ROU assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,736&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;792&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,748&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,307&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease liabilities, current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,213&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,298&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,380&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,916&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease liabilities, noncurrent&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,272&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,182&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;122&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,394&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,336&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:LeaseAssetsAndLiabilitiesTableTableTextBlock>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzQtMS0xLTEtMA_ba5c0767-3a65-4475-ba71-87f3f355b42a"
      unitRef="usd">2515000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzQtMy0xLTEtMA_e25a51af-4d9d-44eb-99e4-ec8c7150967f"
      unitRef="usd">3736000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzUtMS0xLTEtMA_2790db9b-f0e6-401b-8a99-1129662096c2"
      unitRef="usd">792000</us-gaap:FinanceLeaseRightOfUseAsset>
    <us-gaap:FinanceLeaseRightOfUseAsset
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzUtMy0xLTEtMA_6cb8eb7b-d7aa-4899-9bf8-75b730c424e2"
      unitRef="usd">1748000</us-gaap:FinanceLeaseRightOfUseAsset>
    <smlp:FinanceAndOperatingLeaseRightOfUseAsset
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzYtMS0xLTEtMA_3d1eed2e-66bd-4862-9106-20d6b55a2e23"
      unitRef="usd">3307000</smlp:FinanceAndOperatingLeaseRightOfUseAsset>
    <smlp:FinanceAndOperatingLeaseRightOfUseAsset
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzYtMy0xLTEtMA_f07089c9-3a7d-4787-983a-939f2406b0df"
      unitRef="usd">5484000</smlp:FinanceAndOperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseLiabilityCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzgtMS0xLTEtMA_ecea7516-73b7-4f0e-bf81-3da0345215a3"
      unitRef="usd">1213000</us-gaap:OperatingLeaseLiabilityCurrent>
    <us-gaap:OperatingLeaseLiabilityCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzgtMy0xLTEtMA_a7fa357f-8562-4acb-9490-d2820488aca4"
      unitRef="usd">2298000</us-gaap:OperatingLeaseLiabilityCurrent>
    <us-gaap:FinanceLeaseLiabilityCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzktMS0xLTEtMA_46f09867-4f0f-424e-9667-0b32d1d431d3"
      unitRef="usd">167000</us-gaap:FinanceLeaseLiabilityCurrent>
    <us-gaap:FinanceLeaseLiabilityCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzktMy0xLTEtMA_14080720-0a70-4b9e-b86c-ebc16a7cb34b"
      unitRef="usd">618000</us-gaap:FinanceLeaseLiabilityCurrent>
    <smlp:FinanceAndOperatingLeaseLiabilityCurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEwLTEtMS0xLTA_8c312a87-cb1a-407c-8df2-2bd376ff06e2"
      unitRef="usd">1380000</smlp:FinanceAndOperatingLeaseLiabilityCurrent>
    <smlp:FinanceAndOperatingLeaseLiabilityCurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEwLTMtMS0xLTA_f64afb45-b781-4ea0-8e88-dcdae36441ef"
      unitRef="usd">2916000</smlp:FinanceAndOperatingLeaseLiabilityCurrent>
    <us-gaap:OperatingLeaseLiabilityNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEyLTEtMS0xLTA_2bcd6fac-936d-4ecc-82bc-dad69b197b38"
      unitRef="usd">2272000</us-gaap:OperatingLeaseLiabilityNoncurrent>
    <us-gaap:OperatingLeaseLiabilityNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEyLTMtMS0xLTA_27705d77-1ef1-4344-ab24-cc90ae616392"
      unitRef="usd">3182000</us-gaap:OperatingLeaseLiabilityNoncurrent>
    <us-gaap:FinanceLeaseLiabilityNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEzLTEtMS0xLTA_b7816b00-6b3b-43df-ab60-57466843cb0a"
      unitRef="usd">122000</us-gaap:FinanceLeaseLiabilityNoncurrent>
    <us-gaap:FinanceLeaseLiabilityNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzEzLTMtMS0xLTA_bc2a9212-8e7e-42e9-8a91-76bb5377fe60"
      unitRef="usd">154000</us-gaap:FinanceLeaseLiabilityNoncurrent>
    <smlp:FinanceAndOperatingLeaseLiabilityNoncurrent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzE0LTEtMS0xLTA_4bbb5030-7377-4f6c-8698-d601b6cab1b0"
      unitRef="usd">2394000</smlp:FinanceAndOperatingLeaseLiabilityNoncurrent>
    <smlp:FinanceAndOperatingLeaseLiabilityNoncurrent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo4MWNkNDE1NGZhZmY0ODQ5YmNhNjk4ZmM1NmI5Yzk1Yy90YWJsZXJhbmdlOjgxY2Q0MTU0ZmFmZjQ4NDliY2E2OThmYzU2YjljOTVjXzE0LTMtMS0xLTA_c8a422b0-40cb-4f01-86d0-979a5fb58ea3"
      unitRef="usd">3336000</smlp:FinanceAndOperatingLeaseLiabilityNoncurrent>
    <us-gaap:LeaseCostTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzI5ODI_e052af3a-81da-4f58-b2fc-e2b31d86a81d">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Lease cost and Other information follow:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Lease cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Finance lease cost:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Amortization of ROU assets (included in depreciation and amortization)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest on lease liabilities (included in interest expense)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;52&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating lease cost (included in general and administrative expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,644&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,768&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,970&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Other information&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Cash paid for amounts included in the measurement of lease liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating cash outflows from operating leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Operating cash outflows from finance leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;52&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Financing cash outflows from finance leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;634&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,150&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets obtained in exchange for new operating lease liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,552&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;ROU assets obtained in exchange for new finance lease liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;94&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average remaining lease term (years) - operating leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5.1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4.9&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average remaining lease term (years) - finance leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1.1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1.4&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average discount rate - operating leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Weighted-average discount rate - finance leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership recognizes total lease expense incurred or allocated to us in general and administrative expenses. Lease expense related to operating leases, including lease expense incurred on the Partnership&#x2019;s behalf and allocated to us, was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Lease expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LeaseCostTableTextBlock>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzUtMS0xLTEtMA_2bd4e134-f845-4e5c-8163-e5358d0a45b5"
      unitRef="usd">1026000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzUtMy0xLTEtMA_96f1ac74-41fc-4bd9-9348-e6510270f4ab"
      unitRef="usd">1274000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzYtMS0xLTEtMA_71a946bb-9d04-4abc-917a-f676b09799a9"
      unitRef="usd">20000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzYtMy0xLTEtMA_56bd1545-8edd-46ac-9aec-e271e9938e07"
      unitRef="usd">52000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:OperatingLeaseCost
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzctMS0xLTEtMA_4e6a923d-3821-43ed-8d44-7cd7c75d18a5"
      unitRef="usd">1722000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzctMy0xLTEtMA_24b8d4a7-13ee-4146-9dff-cb1b612ffdb3"
      unitRef="usd">2644000</us-gaap:OperatingLeaseCost>
    <us-gaap:LeaseCost
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzgtMS0xLTEtMA_d10c7cd8-625e-41b2-9d29-7f0816c23fad"
      unitRef="usd">2768000</us-gaap:LeaseCost>
    <us-gaap:LeaseCost
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1ZWJlN2JmOThiZGY0OWUxOGE5NGUxZDU3OGYwMzlhNi90YWJsZXJhbmdlOjVlYmU3YmY5OGJkZjQ5ZTE4YTk0ZTFkNTc4ZjAzOWE2XzgtMy0xLTEtMA_85c8327f-d5c4-4068-a702-5af9c7fb076a"
      unitRef="usd">3970000</us-gaap:LeaseCost>
    <us-gaap:OperatingLeasePayments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzUtMS0xLTEtMA_80e2f4be-a76d-436d-834f-78b5ccaaed17"
      unitRef="usd">1407000</us-gaap:OperatingLeasePayments>
    <us-gaap:OperatingLeasePayments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzUtMy0xLTEtMA_671a7d49-25d1-45a2-9ee6-1f06590580b5"
      unitRef="usd">1472000</us-gaap:OperatingLeasePayments>
    <us-gaap:FinanceLeaseInterestPaymentOnLiability
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzYtMS0xLTEtMA_464ed7a0-f1f8-4a9c-8c0e-949dc8962d88"
      unitRef="usd">20000</us-gaap:FinanceLeaseInterestPaymentOnLiability>
    <us-gaap:FinanceLeaseInterestPaymentOnLiability
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzYtMy0xLTEtMA_30a298b6-ba86-4c01-97b7-8a4bd7a71c3a"
      unitRef="usd">52000</us-gaap:FinanceLeaseInterestPaymentOnLiability>
    <us-gaap:FinanceLeasePrincipalPayments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzctMS0xLTEtMA_dc5bd001-8e14-4117-b63a-c59fcfede98b"
      unitRef="usd">634000</us-gaap:FinanceLeasePrincipalPayments>
    <us-gaap:FinanceLeasePrincipalPayments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzctMy0xLTEtMA_96c18220-c055-484b-ac2a-8f821e6bb0e5"
      unitRef="usd">1150000</us-gaap:FinanceLeasePrincipalPayments>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzgtMS0xLTEtMA_299d2517-f7a9-431d-893f-59c320be8e2b"
      unitRef="usd">0</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzgtMy0xLTEtMA_e12de29c-3c66-4ac7-9901-017adfe40429"
      unitRef="usd">3552000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzktMS0xLTEtMA_084b62f5-79da-48db-83e0-95868e6d9c05"
      unitRef="usd">94000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzktMy0xLTEtMA_bf2c7251-5a02-468d-a3dc-f95edc022323"
      unitRef="usd">133000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEwLTEtMS0xLTA_c38a180b-4c6d-4563-8f09-0b0d3d2c9a68">P5Y1M6D</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEwLTMtMS0xLTA_1782ace8-2eae-41a3-a51d-2aa580f9b74c">P4Y10M24D</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzExLTEtMS0xLTA_92971f32-f102-4a40-82ed-f2ad6814df83">P1Y1M6D</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzExLTMtMS0xLTA_f788af4f-be71-4d70-a31c-f9b2652bad5a">P1Y4M24D</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEyLTEtMS0xLTA_b79af217-a7c0-48db-a1a1-0c9568e4673c"
      unitRef="number">0.05</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEyLTMtMS0xLTA_989b0373-7008-4af6-a015-8fad6252e9fe"
      unitRef="number">0.05</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEzLTEtMS0xLTA_a6491b74-43ca-4841-b8e8-4bc4033b545d"
      unitRef="number">0.04</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTo1MjVkODMwMjFlOTY0Njc5YjJmODk5YTQyYzA5NmFiMi90YWJsZXJhbmdlOjUyNWQ4MzAyMWU5NjQ2NzliMmY4OTlhNDJjMDk2YWIyXzEzLTMtMS0xLTA_b81491d1-e0bb-4180-83ce-09cf25aba171"
      unitRef="number">0.04</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:OperatingLeaseExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTplMDE0ZTgwZWZhNGM0YjI0YWEyYjFlZmNjNDE5MGI0MS90YWJsZXJhbmdlOmUwMTRlODBlZmE0YzRiMjRhYTJiMWVmY2M0MTkwYjQxXzMtMS0xLTEtMA_092ec3b3-81c1-4b9d-b369-1ffea0255e78"
      unitRef="usd">2479000</us-gaap:OperatingLeaseExpense>
    <us-gaap:OperatingLeaseExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTplMDE0ZTgwZWZhNGM0YjI0YWEyYjFlZmNjNDE5MGI0MS90YWJsZXJhbmdlOmUwMTRlODBlZmE0YzRiMjRhYTJiMWVmY2M0MTkwYjQxXzMtMy0xLTEtMA_e23d03c3-7a01-421b-acd7-81254f5334ac"
      unitRef="usd">3436000</us-gaap:OperatingLeaseExpense>
    <smlp:ScheduleOfFutureMinimumRentalPaymentsForFinanceAndOperatingLeasesAndSubleaseIncomeTableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90ZXh0cmVnaW9uOmJkMTRmN2M1MThkOTQ5MTE5ZjI1OWY5ODY0M2RhYjdlXzI5ODQ_4928be05-2e98-4155-9d21-00a7e97beb88">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Future minimum lease payments due under noncancelable leases at December&#160;31, 2021, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Operating&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Finance&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;573&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;38&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total future minimum lease payments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,798&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;299&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</smlp:ScheduleOfFutureMinimumRentalPaymentsForFinanceAndOperatingLeasesAndSubleaseIncomeTableTableTextBlock>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzMtMS0xLTEtMA_64e7db62-d7ac-4b71-826b-0288ea5d9f77"
      unitRef="usd">1173000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzMtMy0xLTEtMA_b9f2bf07-c972-45cf-9157-ae5f9d6c3efe"
      unitRef="usd">173000</us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzQtMS0xLTEtMA_67eb0421-0d46-4f2c-9b39-cae873c01f80"
      unitRef="usd">854000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzQtMy0xLTEtMA_7f2c941e-9f86-4b2c-84f1-0f7240054864"
      unitRef="usd">88000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzUtMS0xLTEtMA_d0ad5bc6-618c-4917-96ae-b60bec64983f"
      unitRef="usd">573000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzUtMy0xLTEtMA_9ee53a81-5073-4eb0-8d16-64a6d8b17f9f"
      unitRef="usd">38000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzYtMS0xLTEtMA_a5a43a66-6b73-4a71-ba34-641793684c3d"
      unitRef="usd">464000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzYtMy0xLTEtMA_5c6cd1c5-4771-447d-87f4-422f13ecfd3e"
      unitRef="usd">0</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzctMS0xLTEtMA_1dce6c0e-94d6-4762-a957-88b294bceb18"
      unitRef="usd">156000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzctMy0xLTEtMA_a0cf04dd-9357-4425-8244-9fd662bd67c1"
      unitRef="usd">0</us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive>
    <smlp:LesseeOperatingLeaseLiabilityPaymentsDueYearSix
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzgtMS0xLTEtMA_6f7f8bdd-a606-49b7-8307-186c30f34a4a"
      unitRef="usd">160000</smlp:LesseeOperatingLeaseLiabilityPaymentsDueYearSix>
    <smlp:FinanceLeaseLiabilityPaymentsDueYearSix
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzgtMy0xLTEtMA_fc0df306-8e84-4ca0-b10c-9673256d1744"
      unitRef="usd">0</smlp:FinanceLeaseLiabilityPaymentsDueYearSix>
    <smlp:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzktMS0xLTEtMA_dca8785b-6058-4e85-9c66-12c81ea160d4"
      unitRef="usd">418000</smlp:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearSix>
    <smlp:FinanceLeaseLiabilityPaymentsDueAfterYearSix
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzktMy0xLTEtMA_1e047ee3-e9be-4ea9-ad24-6711611969b7"
      unitRef="usd">0</smlp:FinanceLeaseLiabilityPaymentsDueAfterYearSix>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzEwLTEtMS0xLTA_690a3e99-f0e3-459e-9615-2a315b9ea6b8"
      unitRef="usd">3798000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
    <us-gaap:FinanceLeaseLiabilityPaymentsDue
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xOTkvZnJhZzpiZDE0ZjdjNTE4ZDk0OTExOWYyNTlmOTg2NDNkYWI3ZS90YWJsZTpjOTNiNzkxZmVjM2U0NmE1OGZiNTYxMzc2YzA4NTEwMy90YWJsZXJhbmdlOmM5M2I3OTFmZWMzZTQ2YTU4ZmI1NjEzNzZjMDg1MTAzXzEwLTMtMS0xLTA_a7030195-231a-487c-a7d4-0e747ede92f6"
      unitRef="usd">299000</us-gaap:FinanceLeaseLiabilityPaymentsDue>
    <us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90ZXh0cmVnaW9uOjk1ZWU1NzhiODgzZTQ5ZWRhOWUzZmJiZTRjNjk4ZWI4XzEyMjM_d6ed0f30-0d03-4bda-b0fb-0c05a4f1528d">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;17. RESTRUCTURING&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;2020 Restructuring Activities. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In late 2020, management initiated the 2020 Restructuring Plan, resulting in certain management, facility and organizational changes. Under the 2020 Restructuring Plan, and during the years ended December 31, 2021 and 2020, the Partnership expensed approximately $0.9&#160;million and $5.6&#160;million, respectively, of costs associated with these restructuring activities. These activities consisted primarily of employee-related severance costs and are included within the General and administrative caption on the consolidated statement of operations.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;2019 Restructuring Activities.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#160;In 2019, management approved and initiated a plan to restructure its operations (&#x201c;2019 Restructuring Plan&#x201d;), resulting in certain management, facility and organizational changes. Under the 2019 Restructuring Plan, the Partnership expensed approximately $3.5 million, of costs associated with its restructuring activities. These activities consisted primarily of employee-related costs and consulting costs in support of the project. These costs are included within the General and administrative caption on the consolidated statement of operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details for the 2020 and 2019 Restructuring Plans follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.929%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.626%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Severance Charges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other Restructuring Charges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total Severance and Other&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="33" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2020 Restructuring Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,647&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2019 Restructuring Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,293&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.341%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.639%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Charges Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Cash Payments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Charges Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Cash Payments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="39" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Employee-related costs&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,816&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;7,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(7,018)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(4,358)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,349&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(104)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total restructuring costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,816&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(8,367)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(4,462)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:RestructuringAndRelatedActivitiesDisclosureTextBlock>
    <us-gaap:RestructuringCosts
      contextRef="i2e3cad4b6ed64f1ebd77b954a07774fe_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90ZXh0cmVnaW9uOjk1ZWU1NzhiODgzZTQ5ZWRhOWUzZmJiZTRjNjk4ZWI4XzgyNDYzMzcyMTQxMDM_2c5f4deb-f722-48cb-83bc-af6cfc2751e4"
      unitRef="usd">900000</us-gaap:RestructuringCosts>
    <us-gaap:RestructuringCosts
      contextRef="i487df2d632bd4420a6df9311f582df6a_D20200101-20201231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90ZXh0cmVnaW9uOjk1ZWU1NzhiODgzZTQ5ZWRhOWUzZmJiZTRjNjk4ZWI4XzgyNDYzMzcyMTQwODk_8708fc14-706f-472d-9f6a-cd3e66402fe9"
      unitRef="usd">5600000</us-gaap:RestructuringCosts>
    <us-gaap:RestructuringCosts
      contextRef="ibfe52f1bc4924aa79e28e7377a7b3c09_D20210101-20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90ZXh0cmVnaW9uOjk1ZWU1NzhiODgzZTQ5ZWRhOWUzZmJiZTRjNjk4ZWI4XzgyNQ_25c3ccfc-3035-41f6-8579-e94e5732754b"
      unitRef="usd">3500000</us-gaap:RestructuringCosts>
    <us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90ZXh0cmVnaW9uOjk1ZWU1NzhiODgzZTQ5ZWRhOWUzZmJiZTRjNjk4ZWI4XzEyMjQ_d929f95d-1129-48c8-9f3e-81bbf893e7e9">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Details for the 2020 and 2019 Restructuring Plans follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.929%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.626%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Severance Charges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Other Restructuring Charges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Total Severance and Other&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="33" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2020 Restructuring Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,647&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2019 Restructuring Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,293&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,452&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.415%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.341%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.635%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.535%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.639%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Charges Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Cash Payments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Charges Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Cash Payments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Accrued December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="39" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Employee-related costs&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,816&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;7,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(7,018)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(4,358)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1,349&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(104)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:15.75pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total restructuring costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;2,816&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;9,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(8,367)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(4,462)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock>
    <us-gaap:SeveranceCosts1
      contextRef="i2e3cad4b6ed64f1ebd77b954a07774fe_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtMS0xLTEtMA_7b58f92a-a759-41b4-b1f0-34ed47d4649f"
      unitRef="usd">810000</us-gaap:SeveranceCosts1>
    <us-gaap:SeveranceCosts1
      contextRef="i487df2d632bd4420a6df9311f582df6a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtMy0xLTEtMA_b16c51d0-c50f-466e-bd77-da41ea5539e6"
      unitRef="usd">5591000</us-gaap:SeveranceCosts1>
    <us-gaap:OtherRestructuringCosts
      contextRef="i2e3cad4b6ed64f1ebd77b954a07774fe_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtNS0xLTEtMA_f574f927-b0fb-428d-926c-8a43b9024ba0"
      unitRef="usd">104000</us-gaap:OtherRestructuringCosts>
    <us-gaap:OtherRestructuringCosts
      contextRef="i487df2d632bd4420a6df9311f582df6a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtNy0xLTEtMA_9d9cd88b-ebc4-4343-88fd-ebfb2ad45fdc"
      unitRef="usd">56000</us-gaap:OtherRestructuringCosts>
    <us-gaap:RestructuringCharges
      contextRef="i2e3cad4b6ed64f1ebd77b954a07774fe_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtOS0xLTEtMA_6d3bfd93-e128-420f-a49a-5f92bb9b23f8"
      unitRef="usd">914000</us-gaap:RestructuringCharges>
    <us-gaap:RestructuringCharges
      contextRef="i487df2d632bd4420a6df9311f582df6a_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzMtMTEtMS0xLTA_54b7a269-41ec-49ac-a07f-97c26125db3c"
      unitRef="usd">5647000</us-gaap:RestructuringCharges>
    <us-gaap:SeveranceCosts1
      contextRef="ibfe52f1bc4924aa79e28e7377a7b3c09_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtMS0xLTEtMA_9af602cb-b044-49ff-bcff-a77b18fd0f72"
      unitRef="usd">0</us-gaap:SeveranceCosts1>
    <us-gaap:SeveranceCosts1
      contextRef="i55b566a06ff444268de910b8af2bfbd8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtMy0xLTEtMA_836c6f07-4870-4f96-872b-f9695aa46c1a"
      unitRef="usd">2159000</us-gaap:SeveranceCosts1>
    <us-gaap:OtherRestructuringCosts
      contextRef="ibfe52f1bc4924aa79e28e7377a7b3c09_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtNS0xLTEtMA_35ced550-21f2-4ec1-870d-c98b48b16e54"
      unitRef="usd">0</us-gaap:OtherRestructuringCosts>
    <us-gaap:OtherRestructuringCosts
      contextRef="i55b566a06ff444268de910b8af2bfbd8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtNy0xLTEtMA_8ffd0689-2d61-41d3-9f94-b7bc897ddaaa"
      unitRef="usd">1293000</us-gaap:OtherRestructuringCosts>
    <us-gaap:RestructuringCharges
      contextRef="ibfe52f1bc4924aa79e28e7377a7b3c09_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtOS0xLTEtMA_d543169b-838e-49f1-bc7e-4cc5350902c0"
      unitRef="usd">0</us-gaap:RestructuringCharges>
    <us-gaap:RestructuringCharges
      contextRef="i55b566a06ff444268de910b8af2bfbd8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzQtMTEtMS0xLTA_f6620023-82af-4dc8-a5d5-9235bf05e0fb"
      unitRef="usd">3452000</us-gaap:RestructuringCharges>
    <us-gaap:SeveranceCosts1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtMS0xLTEtMA_8ad7585e-3d43-408d-9cd8-5028c2513b74"
      unitRef="usd">810000</us-gaap:SeveranceCosts1>
    <us-gaap:SeveranceCosts1
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtMy0xLTEtMA_98239721-8392-4eb9-a0fb-f1bb6b004c1d"
      unitRef="usd">7750000</us-gaap:SeveranceCosts1>
    <us-gaap:OtherRestructuringCosts
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtNS0xLTEtMA_39044742-5f12-462d-ab58-80063e4665ac"
      unitRef="usd">104000</us-gaap:OtherRestructuringCosts>
    <us-gaap:OtherRestructuringCosts
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtNy0xLTEtMA_52c99685-568a-49ab-bfde-f9ac85a3aa5d"
      unitRef="usd">1349000</us-gaap:OtherRestructuringCosts>
    <us-gaap:RestructuringCharges
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtOS0xLTEtMA_984c44d0-428e-4b73-a1d4-e82e8936252f"
      unitRef="usd">914000</us-gaap:RestructuringCharges>
    <us-gaap:RestructuringCharges
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTpkMzFmMmFmZmJiZjE0ODBhYjMwZDEzMjgzNGFhNDczYi90YWJsZXJhbmdlOmQzMWYyYWZmYmJmMTQ4MGFiMzBkMTMyODM0YWE0NzNiXzUtMTEtMS0xLTA_4f43fe19-ad18-4fe3-93b1-b273a0cb1006"
      unitRef="usd">9099000</us-gaap:RestructuringCharges>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="ia00b993aa32e47a896287dd5fe412fd9_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItMS0xLTEtMA_ce065fcb-9de2-4292-b7fa-c2cd616f32ff"
      unitRef="usd">2816000</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="i87dfd7e415d74671ba583e1039168869_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItMy0xLTEtMA_382ebd0a-1b88-46c6-b219-98860c49d5eb"
      unitRef="usd">7750000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="i87dfd7e415d74671ba583e1039168869_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItNS0xLTEtMA_737125f7-a339-4836-95ba-7b85b933b470"
      unitRef="usd">7018000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="ia4864850f7c0483fb53fe284d4d9f2ce_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItNy0xLTEtMA_2abd0fab-1827-4693-8540-026177696bce"
      unitRef="usd">3548000</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="i869313f3eee74150bda7168ac801d07d_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItOS0xLTEtMA_d6cd558c-b0cf-4fe4-af03-805e21afbea8"
      unitRef="usd">810000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="i869313f3eee74150bda7168ac801d07d_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItMTEtMS0xLTA_256eedca-0fc2-4d35-8c7e-2ef0c0406695"
      unitRef="usd">4358000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i050131de49b44e969c36b9fdcfe85398_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzItMTMtMS0xLTA_54928b39-0805-4fb1-b7ca-44dd9250c6b1"
      unitRef="usd">0</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="ie5de2f1a0dba401a88899de95af3909d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtMS0xLTEtMA_038a64ec-35c2-4f63-b5f7-64369c1c4ecf"
      unitRef="usd">0</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="ibee0c7ad2f98415781168aed5bca2ced_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtMy0xLTEtMA_a54d3ab7-530d-4efc-be75-1ec9406c789c"
      unitRef="usd">1349000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="ibee0c7ad2f98415781168aed5bca2ced_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtNS0xLTEtMA_638ca93f-10e5-4053-9294-ca3fe3fb00be"
      unitRef="usd">1349000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i535ef0211dda4fafa741559a6e56f2ea_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtNy0xLTEtMA_2b0730dd-3323-4710-81c3-8f7f1c9f771c"
      unitRef="usd">0</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="i53ea468bd8be44738a89746e68596350_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtOS0xLTEtMA_436f3a59-f08f-483d-a353-39f48adcefe2"
      unitRef="usd">104000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="i53ea468bd8be44738a89746e68596350_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtMTEtMS0xLTA_ec2751d3-66b4-40ad-9d67-2bffc6e9dc20"
      unitRef="usd">104000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i738b017066274a04be5448eaafd901f8_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzMtMTMtMS0xLTA_decdd57f-9cdd-407a-8fee-1794f59a9b3d"
      unitRef="usd">0</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i3669a3478d8a4a3a925cc3ad7b5cd91d_I20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtMS0xLTEtMA_dbc54d76-f9b0-427d-9823-44bd47ebbcaf"
      unitRef="usd">2816000</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtMy0xLTEtMA_f7a05ffe-0926-48b4-90e1-79eaa69f2afe"
      unitRef="usd">9099000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtNS0xLTEtMA_5e16c3c3-c9e9-4f18-ae83-24c03934b71a"
      unitRef="usd">8367000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtNy0xLTEtMA_41067f87-e63b-4929-84c1-5db9347a50f2"
      unitRef="usd">3548000</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:RestructuringAndRelatedCostIncurredCost
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtOS0xLTEtMA_bbabb9d8-4143-4614-9d91-5ad8b0f47848"
      unitRef="usd">914000</us-gaap:RestructuringAndRelatedCostIncurredCost>
    <us-gaap:PaymentsForRestructuring
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtMTEtMS0xLTA_5f0d3cf8-fa9a-48b3-813f-0fec6841506d"
      unitRef="usd">4462000</us-gaap:PaymentsForRestructuring>
    <us-gaap:RestructuringAndRelatedCostCostIncurredToDate1
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMDgvZnJhZzo5NWVlNTc4Yjg4M2U0OWVkYTllM2ZiYmU0YzY5OGViOC90YWJsZTowMDVjMmM4MjViZDY0YzVmYWIwYjlhMTg4ODk3NDk1NS90YWJsZXJhbmdlOjAwNWMyYzgyNWJkNjRjNWZhYjBiOWExODg4OTc0OTU1XzQtMTMtMS0xLTA_1336b4d6-51c9-4b83-8c69-30da67244ec3"
      unitRef="usd">0</us-gaap:RestructuringAndRelatedCostCostIncurredToDate1>
    <us-gaap:SegmentReportingDisclosureTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90ZXh0cmVnaW9uOmFiYWRhODBlNDJkZDQ3Yzc4NDk4N2NhYjYwZmQ3YmVlXzU5ODI_e6c9080d-3795-45ea-8991-9c67982f51ac">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;18. SEGMENT INFORMATION&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;In accordance with ASC No. 280 - Segment Reporting, the Partnership routinely evaluates whether its reportable segments have changed. In the fourth quarter of 2021, the Partnership changed its segment reporting to align with how the General Partner&#x2019;s Chief Executive Officer, its chief operating decision maker, reviews financial information in order to allocate resources and assess performance.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The new segment reporting resulted from changes enacted to optimize commercial efforts and geographic workforce in order to better align its commercial, engineering, and operational capabilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership&#x2019;s current reportable segments are described below.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:13.8pt"&gt;Rockies &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2013;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Includes the Partnership&#x2019;s wholly owned midstream assets located in the Williston Basin and the DJ Basin.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;  &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:13.8pt"&gt;Permian &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2013; Includes the Partnership&#x2019;s wholly owned midstream assets located in the Permian Basin and the equity method investment in Double E.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;    &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:13.8pt"&gt;Northeast &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2013;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Includes the Partnership&#x2019;s wholly owned midstream assets located in the Utica and Marcellus shale plays and the equity method investment in Ohio Gathering that is focused on the Utica Shale.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:13.8pt"&gt;Piceance &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2013; Includes the Partnership&#x2019;s wholly owned midstream assets located in the Piceance Basin.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt;padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:13.8pt"&gt;Barnett &lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2013; Includes the Partnership&#x2019;s wholly owned midstream assets located in the Barnett Shale. &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Corporate and Other represents those results that: (i) are not specifically attributable to a reportable segment; (ii) are not individually reportable; or (iii) have not been allocated to a reportable segments for the purpose of evaluating their performance, including certain general and administrative expense items, certain natural gas and crude oil marketing services and transaction costs.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Assets by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;623,224&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;645,754&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;592,148&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;625,793&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;458,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;299,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;524,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;579,800&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;315,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;336,629&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,513,633&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,487,397&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,420&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,522,462&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,499,817&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Revenues by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Revenues:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;145,087&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;120,765&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;40,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;32,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;105,485&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;113,890&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;46,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;54,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;400,578&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;400,618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Counterparties accounting for a significant portion of total revenues were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Percentage of total revenues&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:700;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty A - Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Northeast&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:400;line-height:120%"&gt;________________________________________________________&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;* Less than 10% in the aggregate&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation and amortization, including the amortization expense associated with the Partnership&#x2019;s favorable and unfavorable gas gathering contracts as reported in other revenues, by reportable segment follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Depreciation and amortization:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,054&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,891&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,513&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,057&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,858&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,773&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;45,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Barnett&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,112&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;117,331&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;115,718&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,664&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:6.7pt"&gt;Includes the amortization expense associated with the Partnership&#x2019;s favorable and unfavorable gas gathering contracts as reported in Other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Cash paid for capital expenditures by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Cash paid for capital expenditures:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,657&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,875&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,014&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,370&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Barnett&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;766&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment capital expenditures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,499&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;39,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,613&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total cash paid for capital expenditures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;43,128&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;The Partnership assesses the performance of its reportable segments based on segment adjusted EBITDA. The Partnership defines segment adjusted EBITDA as total revenues less total costs and expenses; plus (i) other income excluding interest income, (ii) proportional adjusted EBITDA for equity method investees, (iii) depreciation and amortization, (iv) adjustments related to MVC shortfall payments, (v) adjustments related to capital reimbursement activity, (vi) unit-based and noncash compensation, (vii) impairments (vii) other noncash expenses or losses, less other noncash income or gains and (ix) restructuring expenses. Proportional adjusted EBITDA for the Partnership&#x2019;s equity method investees is defined as the product of (i) total revenues less total expenses, excluding impairments and other noncash income or expense items, and amortization for deferred contract costs; and (ii) ownership interest in Ohio Gathering during the respective period.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the purpose of evaluating segment performance, the Partnership excludes the effect of Corporate and Other revenues and expenses, such as certain general and administrative expenses (including compensation-related expenses and professional &lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;services fees), certain natural gas and crude oil marketing services, transaction costs, interest expense and income tax expense or benefit from segment adjusted EBITDA.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Segment adjusted EBITDA by reportable segment follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable segment adjusted EBITDA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;83,287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;85,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,517&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;71,509&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,614&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;76,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88,820&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total of reportable segments' measures of profit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;267,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;284,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A reconciliation of income or loss before income taxes and income or loss from equity method investees to total of reportable segments' measures of profit or loss follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Reconciliation of income (loss) before income taxes and income (loss) from equity method investees to total of reportable segments' measures of profit:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Income (loss) before income taxes and income (loss) from equity method investees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(28,156)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;177,661&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Add:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;68,783&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;60,903&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;66,156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;78,894&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on early extinguishment of debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,523&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(203,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation and amortization&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;119,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;119,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Proportional adjusted EBITDA for equity method investees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;29,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;31,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Adjustments related to capital reimbursement activity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6,571)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,395)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Unit-based and noncash compensation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,111&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on asset sales, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(369)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(307)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Long-lived asset impairment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;13,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total of reportable segments' measures of profit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;267,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;284,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:6.7pt"&gt;Includes the amortization expense associated with the Partnership&#x2019;s favorable gas gathering contracts as reported in other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;For the years ended December&#160;31, 2021 and 2020, adjustments related to MVC shortfall payments recognize the earnings from MVC shortfall payments ratably over the term of the associated MVC.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Contributions in aid of construction are recognized over the remaining term of the respective contract. The Partnership includes adjustments related to capital reimbursement activity in its calculation of segment adjusted EBITDA to account for revenue recognized from contributions in aid of construction.&lt;/span&gt;&lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90ZXh0cmVnaW9uOmFiYWRhODBlNDJkZDQ3Yzc4NDk4N2NhYjYwZmQ3YmVlXzU5ODM_c20d1be8-ee88-4fa4-b552-71df32f169f9">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Assets by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;623,224&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;645,754&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;592,148&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;625,793&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;458,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;299,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;524,218&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;579,800&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;315,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;336,629&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,513,633&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,487,397&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;8,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;12,420&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,522,462&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,499,817&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock>
    <us-gaap:Assets
      contextRef="i284f467cd9214d6a967b71d0a5ad857a_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzQtMS0xLTEtMA_311f31ea-bb96-4632-b317-78bad30a3b7e"
      unitRef="usd">623224000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i7d2687923163449e807e6ee67f0c28e9_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzQtMy0xLTEtMA_cc5d9f57-c660-41ef-b41c-a654fde8c02e"
      unitRef="usd">645754000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i12101c24c1ec4df0a492621cbbf3c705_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzYtMS0xLTEtMA_e081cdb1-6fb0-4f22-b439-24f9db7c732f"
      unitRef="usd">592148000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i3aa4c0c2cbb544e2a85666028801679c_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzYtMy0xLTEtMA_44a48c90-70c4-4d03-8394-9e30d63ed6d8"
      unitRef="usd">625793000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i82d87f6472194fdb954466e148908881_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzgtMS0xLTEtMA_ee07a965-54ca-43f6-be2f-758c9573c973"
      unitRef="usd">458988000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i7b29deae19b64a17a78331d373080396_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzgtMy0xLTEtMA_20cb6497-8f5c-442c-99ed-a7711f93ccf5"
      unitRef="usd">299421000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i80ee21141c634a01bf74e2ce357ffa07_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzktMS0xLTEtMA_e8f534c6-38b0-4ee2-8ca1-b250f6748f37"
      unitRef="usd">524218000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i956707c2bc9b4af294d4a93e01f07ce3_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzktMy0xLTEtMA_dccace07-9788-4a34-a49c-b3ae271e45ad"
      unitRef="usd">579800000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="ie0a196a7175347edb9b888ba5d9b953c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEwLTEtMS0xLTA_50fb5d86-af88-4ccb-baaa-e38b1fc32ee7"
      unitRef="usd">315055000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i50700f5ef552429385c74c9c69f1d344_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEwLTMtMS0xLTA_7fc203d7-7171-4880-8d36-e5c8ebfc38b0"
      unitRef="usd">336629000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i48271636f90646fab55b96a6642b0f6c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEyLTEtMS0xLTA_84a15210-6fa5-4073-833d-8323d90269dd"
      unitRef="usd">2513633000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i5018fad85d2a4e6b9c2cdfdd8b1c37ea_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEyLTMtMS0xLTA_ca147f81-03c0-49c4-bfd1-bdfb02648688"
      unitRef="usd">2487397000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="id1f60b7ed99448ff9812e4fd740fb7fe_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEzLTEtMS0xLTA_de04c033-1799-4427-bdcb-a64086841e43"
      unitRef="usd">8829000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i948a8e72e6134f5ba97386d11dbfbf01_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzEzLTMtMS0xLTA_e09e2abe-4e8c-4c3e-ab2b-292aa0058fdf"
      unitRef="usd">12420000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i507b6400314b4cccbab3349f2f53f717_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzE0LTEtMS0xLTA_fd2966e8-889a-45c1-b304-b79d4b280282"
      unitRef="usd">2522462000</us-gaap:Assets>
    <us-gaap:Assets
      contextRef="i256c3e3fda6749eba33edf99580673a4_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplNjAzZGI0NjE1YjI0NzkzOGYwZGUyYzU1NWY0ODUzNC90YWJsZXJhbmdlOmU2MDNkYjQ2MTViMjQ3OTM4ZjBkZTJjNTU1ZjQ4NTM0XzE0LTMtMS0xLTA_26f945d8-8564-4dfe-95e8-68f9a89b74da"
      unitRef="usd">2499817000</us-gaap:Assets>
    <us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90ZXh0cmVnaW9uOmFiYWRhODBlNDJkZDQ3Yzc4NDk4N2NhYjYwZmQ3YmVlXzU5ODU_28f3312a-abbf-4b1a-a350-30c5172f0077">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Revenues by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Revenues:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;62,567&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;62,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;145,087&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;120,765&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;40,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;32,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;105,485&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;113,890&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;46,591&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;54,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segments revenue&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;400,578&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;400,618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;383,473&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation and amortization, including the amortization expense associated with the Partnership&#x2019;s favorable and unfavorable gas gathering contracts as reported in other revenues, by reportable segment follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Depreciation and amortization:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;17,054&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,891&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;29,513&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,057&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,858&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;5,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;48,773&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;45,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Barnett&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;16,112&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;117,331&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;115,718&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,664&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total depreciation and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;119,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:6.7pt"&gt;Includes the amortization expense associated with the Partnership&#x2019;s favorable and unfavorable gas gathering contracts as reported in Other revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Cash paid for capital expenditures by reportable segment follow.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Cash paid for capital expenditures:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;11,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,657&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;9,875&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;21,596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;2,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;7,014&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,370&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Barnett&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;766&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;1,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total reportable segment capital expenditures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;24,499&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;39,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;3,613&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total cash paid for capital expenditures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;25,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;43,128&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i3291bcf9c9da44a9923ae6e0ddeb6341_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzQtMS0xLTEtMA_83bb5504-acea-4457-9a06-92586d4bfe8e"
      unitRef="usd">62567000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i5c925bab58954521b10075e271da16cd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzQtMy0xLTEtMA_4878f536-4d8f-4fb1-8043-7ee33f3626e5"
      unitRef="usd">62250000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7640ae941c344d58bf90c62d9f12f08b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzUtMS0xLTEtMA_7e2b9ba8-be9e-408b-a2c1-6cca52538ca7"
      unitRef="usd">145087000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i7ef441566abb483594f536f64a893106_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzUtMy0xLTEtMA_1a6f693d-5c9a-4a5d-8db9-9ed865b226ef"
      unitRef="usd">120765000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ib41002cd187b46c58060529fc7880817_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzctMS0xLTEtMA_4b89838e-f611-48e3-8dbd-3e82031628fb"
      unitRef="usd">40848000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i21a2d44a5f4342388883b111f3a788bb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzctMy0xLTEtMA_ad4577c8-b05c-42af-8c03-ea2e4cef3a04"
      unitRef="usd">32109000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i2be5e60705ad4c449c55eec2e0603ac6_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzgtMS0xLTEtMA_89565ccc-3f66-44b9-8ef5-a433edead9b5"
      unitRef="usd">105485000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i663793eebcae420cb11946071cdfc7a2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzgtMy0xLTEtMA_3b573a75-734d-43df-b963-cd54ab39aab4"
      unitRef="usd">113890000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia387b7e7300749c7a76803ba64bff5e4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzktMS0xLTEtMA_639a6970-3866-4136-9583-56e4a3ce372b"
      unitRef="usd">46591000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia81f8a3222a14086a5e0f30510972142_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzktMy0xLTEtMA_a9f114ff-d433-4c16-982b-4f9334bec197"
      unitRef="usd">54459000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i53b7ab2bb14a4b38920071fa571964e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzExLTEtMS0xLTA_a77b9d06-dc86-4523-b655-365270b43e93"
      unitRef="usd">400578000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ia2a6d9350d3142869cf4f0a19fa8eac0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzExLTMtMS0xLTA_3514beab-a6cb-4df3-8caa-a131d3771d3d"
      unitRef="usd">383473000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="ibb223b9540c94660a4c4efad0d9525b3_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzEyLTEtMS0xLTA_e582f8e0-03fa-43e9-b5fe-c179992d364b"
      unitRef="usd">40000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i469d907cabbd4009959b45943b7d396b_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzEyLTMtMS0xLTA_ff7d4d06-3a6f-4ba2-8d00-04615ffbe127"
      unitRef="usd">0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzE0LTEtMS0xLTA_96c5e58f-92f9-42ef-913d-e331a493c6a0"
      unitRef="usd">400618000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToxNzgwNmU1NzIwYmM0NTgzOGNiMzQzZWE2ODU0MjZiZC90YWJsZXJhbmdlOjE3ODA2ZTU3MjBiYzQ1ODM4Y2IzNDNlYTY4NTQyNmJkXzE0LTMtMS0xLTA_f9f7c8c6-1d37-48fd-8e29-82edc09d3d69"
      unitRef="usd">383473000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90ZXh0cmVnaW9uOmFiYWRhODBlNDJkZDQ3Yzc4NDk4N2NhYjYwZmQ3YmVlXzU5ODY_3b261e9d-cbe5-4de7-9b46-fe7e5e5d4386">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Counterparties accounting for a significant portion of total revenues were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Percentage of total revenues&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:700;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty A - Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;12&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Northeast&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Counterparty B - Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;*&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6pt;font-weight:400;line-height:120%"&gt;________________________________________________________&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;* Less than 10% in the aggregate&lt;/span&gt;&lt;/div&gt;</us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="i69715f5f9ef447f2be2d1c7dddbd8f0a_D20210101-20211231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo3ZTEwMmQ0MTYxOTg0ZDM5OTNmYjYwZmViMWQwMzBhNy90YWJsZXJhbmdlOjdlMTAyZDQxNjE5ODRkMzk5M2ZiNjBmZWIxZDAzMGE3XzMtMS0xLTEtMA_1c234c48-54a4-4a81-8633-34d78b56218c"
      unitRef="number">0.12</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="ib23c5d998f87411f922c46355ea8b4d7_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo3ZTEwMmQ0MTYxOTg0ZDM5OTNmYjYwZmViMWQwMzBhNy90YWJsZXJhbmdlOjdlMTAyZDQxNjE5ODRkMzk5M2ZiNjBmZWIxZDAzMGE3XzMtMy0xLTEtMA_c84d6538-7db4-40c3-b7e4-7a847a4603de"
      unitRef="number">0.13</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="id444d9ff83f240f7b2dd1098243cc101_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo3ZTEwMmQ0MTYxOTg0ZDM5OTNmYjYwZmViMWQwMzBhNy90YWJsZXJhbmdlOjdlMTAyZDQxNjE5ODRkMzk5M2ZiNjBmZWIxZDAzMGE3XzUtMy0xLTEtMA_2556bc67-13fb-48a8-b75f-5b4f4c6b1de6"
      unitRef="number">0.05</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="i59fadd2a2ea64ecb81f5c1763f14275d_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo3ZTEwMmQ0MTYxOTg0ZDM5OTNmYjYwZmViMWQwMzBhNy90YWJsZXJhbmdlOjdlMTAyZDQxNjE5ODRkMzk5M2ZiNjBmZWIxZDAzMGE3XzYtMy0xLTEtMA_c6dd551f-6e4e-4d82-af63-60c6fa0df244"
      unitRef="number">0.05</us-gaap:ConcentrationRiskPercentage1>
    <us-gaap:ConcentrationRiskPercentage1
      contextRef="i9833e8a8ba9a42519e4b76c366416c43_D20200101-20201231"
      decimals="2"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo3ZTEwMmQ0MTYxOTg0ZDM5OTNmYjYwZmViMWQwMzBhNy90YWJsZXJhbmdlOjdlMTAyZDQxNjE5ODRkMzk5M2ZiNjBmZWIxZDAzMGE3XzctMy0xLTEtMA_eef1e550-4b53-475d-a6d8-db7a6623b215"
      unitRef="number">0.01</us-gaap:ConcentrationRiskPercentage1>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i3291bcf9c9da44a9923ae6e0ddeb6341_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzQtMS0xLTEtMA_e0edb45f-07b6-4a7b-88fc-ce8329c507d8"
      unitRef="usd">17054000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i5c925bab58954521b10075e271da16cd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzQtMy0xLTEtMA_84d4f944-7e77-4821-ad0c-41c6d36f2bf2"
      unitRef="usd">16891000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i7640ae941c344d58bf90c62d9f12f08b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzUtMS0xLTEtMA_f2bdb948-330c-470a-90a9-569da4e4f226"
      unitRef="usd">29513000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i7ef441566abb483594f536f64a893106_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzUtMy0xLTEtMA_3ec279ff-79a0-4e75-8e09-77d4897d782a"
      unitRef="usd">32057000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="ib41002cd187b46c58060529fc7880817_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzctMS0xLTEtMA_45f8b43a-339c-4e87-b132-8a6bc56f92b1"
      unitRef="usd">5858000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i21a2d44a5f4342388883b111f3a788bb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzctMy0xLTEtMA_3dd46c27-0eb8-4c6e-95df-03fa2fcac849"
      unitRef="usd">5455000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i2be5e60705ad4c449c55eec2e0603ac6_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzgtMS0xLTEtMA_0ae4d7ea-36c1-4d92-b317-0ced584deb25"
      unitRef="usd">48773000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i663793eebcae420cb11946071cdfc7a2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzgtMy0xLTEtMA_09d4644b-ea2e-4dd7-9247-1a5becdb502f"
      unitRef="usd">45203000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="ia387b7e7300749c7a76803ba64bff5e4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzktMS0xLTEtMA_f3ef1a2f-08c1-4626-8306-3c6f00041b1d"
      unitRef="usd">16133000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="ia81f8a3222a14086a5e0f30510972142_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzktMy0xLTEtMA_a52fca79-65a1-42a8-a4b6-8b77338352f0"
      unitRef="usd">16112000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i53b7ab2bb14a4b38920071fa571964e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzExLTEtMS0xLTA_979c90d9-0cb3-43af-a129-ff04cf52ca7f"
      unitRef="usd">117331000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="ia2a6d9350d3142869cf4f0a19fa8eac0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzExLTMtMS0xLTA_5fe0b6cd-874e-42c6-90df-baf38e4f6512"
      unitRef="usd">115718000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="ibb223b9540c94660a4c4efad0d9525b3_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzEyLTEtMS0xLTA_e5380de7-8976-45dd-a5b9-b371b4dfe642"
      unitRef="usd">2664000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i469d907cabbd4009959b45943b7d396b_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzEyLTMtMS0xLTA_01f32db4-4728-47ef-9f07-b4907e492531"
      unitRef="usd">3352000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzEzLTEtMS0xLTA_ef46bb84-d663-45fa-94ba-475a894e4063"
      unitRef="usd">119995000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTo5MzhkNzM3MDVhOWQ0ZmYyOTJmMzE1MjE2MjNiZDBmYy90YWJsZXJhbmdlOjkzOGQ3MzcwNWE5ZDRmZjI5MmYzMTUyMTYyM2JkMGZjXzEzLTMtMS0xLTA_b30fbbe7-1e42-4816-8976-2e01c56e148a"
      unitRef="usd">119070000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i3291bcf9c9da44a9923ae6e0ddeb6341_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzQtMS0xLTEtMA_00abce92-81c6-4c9f-9005-6252f47dac81"
      unitRef="usd">11237000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i5c925bab58954521b10075e271da16cd_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzQtMy0xLTEtMA_94ea474f-be93-4fa4-9b10-d92408c11bfd"
      unitRef="usd">7657000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i7640ae941c344d58bf90c62d9f12f08b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzUtMS0xLTEtMA_7adbe40a-6dfa-4456-952c-b3581bb1a182"
      unitRef="usd">9875000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i7ef441566abb483594f536f64a893106_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzUtMy0xLTEtMA_55c41cee-27ff-4e7d-8954-9f587c645af9"
      unitRef="usd">21596000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="ib41002cd187b46c58060529fc7880817_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzctMS0xLTEtMA_2ca92130-f935-4969-8248-fd8bac2a5b69"
      unitRef="usd">2042000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i21a2d44a5f4342388883b111f3a788bb_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzctMy0xLTEtMA_0d9e43d7-4eed-495d-bd83-84260da75a0d"
      unitRef="usd">7014000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i2be5e60705ad4c449c55eec2e0603ac6_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzgtMS0xLTEtMA_0a75dd25-5158-461c-bc37-e6fb74e531cf"
      unitRef="usd">579000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i663793eebcae420cb11946071cdfc7a2_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzgtMy0xLTEtMA_1b439761-0ef3-4454-bd38-5bb554eda00c"
      unitRef="usd">1370000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="ia387b7e7300749c7a76803ba64bff5e4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzktMS0xLTEtMA_b922c5a1-3a92-430f-a776-2d24c6d09846"
      unitRef="usd">766000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="ia81f8a3222a14086a5e0f30510972142_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzktMy0xLTEtMA_1c4cb919-e09a-4864-8aa6-a060646940ad"
      unitRef="usd">1878000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i53b7ab2bb14a4b38920071fa571964e2_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzExLTEtMS0xLTA_bae274f4-601b-4526-818c-e187bf888907"
      unitRef="usd">24499000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="ia2a6d9350d3142869cf4f0a19fa8eac0_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzExLTMtMS0xLTA_b5738680-b0a2-46f0-a8f9-617b2c039fa1"
      unitRef="usd">39515000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="ibb223b9540c94660a4c4efad0d9525b3_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzEyLTEtMS0xLTA_27e9e488-116a-4e18-beb6-af1d20630113"
      unitRef="usd">531000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i469d907cabbd4009959b45943b7d396b_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzEyLTMtMS0xLTA_7e35c733-cbfe-47fc-b358-3235ef1a2b74"
      unitRef="usd">3613000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzEzLTEtMS0xLTA_c8f4fe6b-836e-4efd-bf93-55afaa61bedd"
      unitRef="usd">25030000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <us-gaap:PaymentsForProceedsFromProductiveAssets
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyYTEwNjViMjE0OGM0NDViODVlNTRmNjQxNThhYWI1Ni90YWJsZXJhbmdlOjJhMTA2NWIyMTQ4YzQ0NWI4NWU1NGY2NDE1OGFhYjU2XzEzLTMtMS0xLTA_092e4cdd-e2d4-4539-9bd0-f2740a402ac3"
      unitRef="usd">43128000</us-gaap:PaymentsForProceedsFromProductiveAssets>
    <smlp:ReconciliationOfNetIncomeToAdjustedEBITDATableTableTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90ZXh0cmVnaW9uOmFiYWRhODBlNDJkZDQ3Yzc4NDk4N2NhYjYwZmQ3YmVlXzU5ODE_1b97fa14-96c5-4b62-89c3-5f1a2be6f98d">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Segment adjusted EBITDA by reportable segment follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Reportable segment adjusted EBITDA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Northeast&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;83,287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;85,854&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Rockies&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;64,517&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;71,509&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Permian&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;6,614&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;5,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Piceance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;76,131&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;88,820&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Barnett&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;36,729&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;32,093&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total of reportable segments' measures of profit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;267,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;284,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;A reconciliation of income or loss before income taxes and income or loss from equity method investees to total of reportable segments' measures of profit or loss follows.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.619%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.621%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Year ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;(In thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"&gt;Reconciliation of income (loss) before income taxes and income (loss) from equity method investees to total of reportable segments' measures of profit:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Income (loss) before income taxes and income (loss) from equity method investees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(28,156)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:left;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 0;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;177,661&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"&gt;Add:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Corporate and Other expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;68,783&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;60,903&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;66,156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;78,894&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on early extinguishment of debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;3,523&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(203,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Depreciation and amortization&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;119,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;119,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="margin-top:6pt;padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;Proportional adjusted EBITDA for equity method investees&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;29,022&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cff0fc;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cff0fc;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;31,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cff0fc;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Adjustments related to capital reimbursement activity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(6,571)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(1,395)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Unit-based and noncash compensation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;4,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;8,111&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Gain on asset sales, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(369)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;(307)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Long-lived asset impairment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;10,151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;td colspan="3" style="background-color:#cceeff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;13,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:top"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;Total of reportable segments' measures of profit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;267,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%"&gt;284,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt;______________________________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:13.5pt;text-indent:-13.5pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(1)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:6.7pt"&gt;Includes the amortization expense associated with the Partnership&#x2019;s favorable gas gathering contracts as reported in other revenues.&lt;/span&gt;&lt;/div&gt;</smlp:ReconciliationOfNetIncomeToAdjustedEBITDATableTableTextBlock>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i15c92b3f447c467583e5d5ff8b18d502_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzQtMS0xLTEtMA_cb7d7155-3b21-4da1-919e-75476a43d655"
      unitRef="usd">83287000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="ida6d075a8e7149afa8116e19d8e4cadc_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzQtMy0xLTEtMA_aee4bdb1-89af-42bf-83e1-27efc718ab51"
      unitRef="usd">85854000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="ie0542df16507457d861ac41fe95f32de_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzYtMS0xLTEtMA_364a8727-76ab-4687-88f3-bfa16dd12c92"
      unitRef="usd">64517000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="if5271f71285643a4ade97ba922a0dc17_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzYtMy0xLTEtMA_0332b8f3-93c4-4019-8992-dfab6e0803c2"
      unitRef="usd">71509000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="iccf34f93acee41fbbb88e91fb2b29b78_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzgtMS0xLTEtMA_e9cd14be-20d9-49a2-b40c-020886599e57"
      unitRef="usd">6614000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i20475df928a9486a90da8e5ada9fa5e1_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzgtMy0xLTEtMA_89864d40-b7a5-4087-a837-03f9695a83b3"
      unitRef="usd">5744000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i90ff66e059d0441f933328b068e23c85_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzktMS0xLTEtMA_0b203dc7-13bb-43da-afcf-1092bea38e12"
      unitRef="usd">76131000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i9fc9ed2d4b334966bf78ef7d3950e82e_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzktMy0xLTEtMA_86f53010-9512-4576-b247-1d69da1fb44a"
      unitRef="usd">88820000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="ib3412783843b4c88a2902d80187f39c0_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzEwLTEtMS0xLTA_9b6f0db7-222e-4f4d-a687-c21766960f99"
      unitRef="usd">36729000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i109a0ea910d444d0b755f3da83ebd7f5_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzEwLTMtMS0xLTA_8e72966b-5562-4f75-b323-18476ccb103f"
      unitRef="usd">32093000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzEyLTEtMS0xLTA_a6ef1314-a4c6-48e9-9bfe-c87ba964e94c"
      unitRef="usd">267278000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZToyNmFjNTk2ZTk2OTA0ODM2YWRiODY4N2Q4NzJhNDg2ZS90YWJsZXJhbmdlOjI2YWM1OTZlOTY5MDQ4MzZhZGI4Njg3ZDg3MmE0ODZlXzEyLTMtMS0xLTA_37e6eff1-c86f-4426-88a6-05d44de055e5"
      unitRef="usd">284020000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzQtMS0xLTEtMA_0ed6e106-f67e-4a3d-a214-fd546c68001f"
      unitRef="usd">-28156000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzQtMy0xLTEtMA_80ef82b6-3760-402b-b32c-cbab9fb29c78"
      unitRef="usd">177661000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments>
    <smlp:CorporateAndOtherExpenses
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzYtMS0xLTEtMA_4361603b-3ec1-4972-8b32-bab8869f0e71"
      unitRef="usd">68783000</smlp:CorporateAndOtherExpenses>
    <smlp:CorporateAndOtherExpenses
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzYtMy0xLTEtMA_dc504dda-98ca-471b-b7a9-8c9a8513d9b6"
      unitRef="usd">60903000</smlp:CorporateAndOtherExpenses>
    <us-gaap:InterestExpense
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzctMS0xLTEtMA_f4268ddc-7c18-4160-affe-7c2bb8e9eb88"
      unitRef="usd">66156000</us-gaap:InterestExpense>
    <us-gaap:InterestExpense
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzctMy0xLTEtMA_87b5a05f-d372-4c5c-b4cf-33b843c19e4d"
      unitRef="usd">78894000</us-gaap:InterestExpense>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzgtMS0xLTEtMA_a79c396d-1b37-450a-95de-7edc8dd65964"
      unitRef="usd">-3523000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzgtMy0xLTEtMA_f71b01f8-0aad-40ce-8a33-73a630c53ef1"
      unitRef="usd">203062000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzktMS0xLTEtMA_e4df10d3-d066-4567-a845-ccda2a84ae7a"
      unitRef="usd">119995000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzktMy0xLTEtMA_af9959ee-d316-40ff-82d8-7b58d7e49373"
      unitRef="usd">119070000</smlp:DepreciationDepletionAndAmortizationIncludingAmortizationOfAboveAndBelowMarketLeases>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationProportionalEquityMethodInvestmentAdjustment
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEwLTEtMS0xLTA_c2251dfe-a519-4d15-b420-c30b2a480d1b"
      unitRef="usd">-29022000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationProportionalEquityMethodInvestmentAdjustment>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationProportionalEquityMethodInvestmentAdjustment
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEwLTMtMS0xLTA_b109f94d-54c6-409a-b587-1dd849ef6b7e"
      unitRef="usd">-31056000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationProportionalEquityMethodInvestmentAdjustment>
    <smlp:AdjustmentsRelatedToCapitalReimbursementActivity
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEyLTEtMS0xLTA_ab1423d7-7ba0-471c-9725-a5a79566e9f0"
      unitRef="usd">6571000</smlp:AdjustmentsRelatedToCapitalReimbursementActivity>
    <smlp:AdjustmentsRelatedToCapitalReimbursementActivity
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEyLTMtMS0xLTA_001c6e0e-9538-4b2a-b295-88f544399f4b"
      unitRef="usd">1395000</smlp:AdjustmentsRelatedToCapitalReimbursementActivity>
    <us-gaap:ShareBasedCompensation
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEzLTEtMS0xLTA_8ecb811b-e158-4c24-9679-1835c1fd0381"
      unitRef="usd">4744000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzEzLTMtMS0xLTA_1b8d5b15-e541-4a9f-8562-de8ac5c80553"
      unitRef="usd">8111000</us-gaap:ShareBasedCompensation>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE0LTEtMS0xLTA_654e7738-e598-4258-8dbe-e60fa70f6829"
      unitRef="usd">369000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:GainLossOnDispositionOfAssets1
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE0LTMtMS0xLTA_f30fbb4f-2471-4500-baa7-8663cbb8c82e"
      unitRef="usd">307000</us-gaap:GainLossOnDispositionOfAssets1>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE1LTEtMS0xLTA_08ec9af1-9176-44fd-a1da-246e3746ff58"
      unitRef="usd">10151000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE1LTMtMS0xLTA_f49fad37-a8ec-49b6-a7b0-7940935c7ae3"
      unitRef="usd">13089000</us-gaap:ImpairmentOfLongLivedAssetsToBeDisposedOf>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE3LTEtMS0xLTA_2a9f312d-c570-452c-b00b-0741f9228ba9"
      unitRef="usd">267278000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
      contextRef="i3bbcbc0d0810486b9725173e60abeea8_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTEvZnJhZzphYmFkYTgwZTQyZGQ0N2M3ODQ5ODdjYWI2MGZkN2JlZS90YWJsZTplODZmMWNjMmExOTI0MTlhOTI0NWE0MjIwNDIzZmJlOC90YWJsZXJhbmdlOmU4NmYxY2MyYTE5MjQxOWE5MjQ1YTQyMjA0MjNmYmU4XzE3LTMtMS0xLTA_290f5d78-454c-46e3-8052-ffa87e631700"
      unitRef="usd">284020000</smlp:AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization>
    <us-gaap:SubsequentEventsTextBlock
      contextRef="i6e8d20c64e3145e3a6d8d922095fe23b_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzk1NQ_f072c1ed-8244-4fd7-94ed-5fbdc511b289">&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:700;line-height:120%"&gt;19. SUBSEQUENT EVENTS&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:6pt"&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%"&gt;2022 Preferred Exchange Offer.&lt;/span&gt;&lt;span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"&gt; On January 12, 2022, the Partnership completed an offer to exchange its Series A Preferred Units and accepted for exchange 77,939 Series A Preferred Units for the issuance of 2,853,875 SMLP common units, net of units withheld for withholding taxes.&lt;/span&gt;&lt;/div&gt;Permian Transmission Credit Facility conversion. In January 2022, the Partnership converted its Permian Transmission Credit Facility into a $160.0&#160;million term loan facility (the &#x201c;Permian Term Loan Facility&#x201d;) with an applicable margin of LIBOR borrowings of 2.375%. The Permian Term Loan Facility contains a sculpted 10-year amortization schedule with mandatory quarterly amortization payments due, commencing in the first quarter of 2022.</us-gaap:SubsequentEventsTextBlock>
    <us-gaap:ConversionOfStockSharesConverted1
      contextRef="icdf7cfc23e9c43a1a4065a7e87fe1099_D20220112-20220112"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzg3OTYwOTMwMjYyMTc_98f1630f-b65d-4f01-a935-a64218cc537d"
      unitRef="shares">77939</us-gaap:ConversionOfStockSharesConverted1>
    <us-gaap:ConversionOfStockSharesIssued1
      contextRef="i7f98b41f991846d78ebd66c2738933c0_D20220112-20220112"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzg3OTYwOTMwMjYyMjU_f4217a40-b694-4ad2-948f-cb980f60643f"
      unitRef="shares">2853875</us-gaap:ConversionOfStockSharesIssued1>
    <us-gaap:DebtConversionConvertedInstrumentAmount1
      contextRef="id1cf342722ee446da9f774f6d3815c59_D20220101-20220131"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzgyNDYzMzcyMTMyMjI_b65c25fa-8edf-4a7c-8a64-778407f62862"
      unitRef="usd">160000000</us-gaap:DebtConversionConvertedInstrumentAmount1>
    <us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
      contextRef="i88137edd127a4718b255f226d0f022f6_D20220101-20220131"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzg3OTYwOTMwMjcxMjY_617402da-eedd-4d00-94dc-388b9f6a4a9a"
      unitRef="number">0.02375</us-gaap:DebtInstrumentBasisSpreadOnVariableRate1>
    <us-gaap:DebtInstrumentTerm
      contextRef="id1cf342722ee446da9f774f6d3815c59_D20220101-20220131"
      id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8yMTQvZnJhZzo1NGNkMGM3ZTBmZGY0MjViYTZjY2U3Yzc4NjFlNGVkMS90ZXh0cmVnaW9uOjU0Y2QwYzdlMGZkZjQyNWJhNmNjZTdjNzg2MWU0ZWQxXzg3OTYwOTMwMjcxNDA_17047287-1151-4e69-a8a2-8159d8625e5d">P10Y</us-gaap:DebtInstrumentTerm>
    <link:footnoteLink
      xlink:role="http://www.xbrl.org/2003/role/link"
      xlink:type="extended">
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTMtMS0xLTA_1905ff75-9a58-4c59-a91d-5d21fe8286aa"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTMtMS0xLTA_1905ff75-9a58-4c59-a91d-5d21fe8286aa"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTMtMS0xLTA_c28b17cf-5841-4000-8017-c2a83cffce5b"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTMtMS0xLTA_c28b17cf-5841-4000-8017-c2a83cffce5b"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtMy0xLTEtMA_cadd7148-5e54-4caf-8de7-32026fc5a0f1"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtMy0xLTEtMA_cadd7148-5e54-4caf-8de7-32026fc5a0f1"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktMy0xLTEtMjEzNDg_5d553ef3-0ed2-4545-a351-ad5e5b77a1b0"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktMy0xLTEtMjEzNDg_5d553ef3-0ed2-4545-a351-ad5e5b77a1b0"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtMy0xLTEtMA_9b63b2af-62e3-4640-b34b-bf4bfb7f01ba"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtMy0xLTEtMA_9b63b2af-62e3-4640-b34b-bf4bfb7f01ba"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTMtMS0xLTIxMzQ4_a4823369-1c22-43d6-8cce-d780524fe688"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTMtMS0xLTIxMzQ4_a4823369-1c22-43d6-8cce-d780524fe688"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtMy0xLTEtMA_d6dbec51-53ec-4093-bccf-9d4f29a37011"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtMy0xLTEtMA_d6dbec51-53ec-4093-bccf-9d4f29a37011"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtMy0xLTEtMA_114b9b1c-e056-45b5-a584-444ee5bec3fd"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtMy0xLTEtMA_114b9b1c-e056-45b5-a584-444ee5bec3fd"
          xlink:type="locator"/>
        <link:loc
          xlink:href="#id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzgtMy0xLTEtMA_d0c6f07d-297f-468b-a873-3d6edcefd212"
          xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzgtMy0xLTEtMA_d0c6f07d-297f-468b-a873-3d6edcefd212"
          xlink:type="locator"/>
        <link:footnote id="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933" xlink:label="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Prior to the GP Buy-in Transaction, common noncontrolling interests reported by Summit Investments included equity interests in SMLP that were not owned by Summit Investments.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzI0LTMtMS0xLTA_1905ff75-9a58-4c59-a91d-5d21fe8286aa"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEyLTMtMS0xLTA_c28b17cf-5841-4000-8017-c2a83cffce5b"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzYtMy0xLTEtMA_cadd7148-5e54-4caf-8de7-32026fc5a0f1"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzktMy0xLTEtMjEzNDg_5d553ef3-0ed2-4545-a351-ad5e5b77a1b0"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzUtMy0xLTEtMA_9b63b2af-62e3-4640-b34b-bf4bfb7f01ba"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzEwLTMtMS0xLTIxMzQ4_a4823369-1c22-43d6-8cce-d780524fe688"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzMtMy0xLTEtMA_d6dbec51-53ec-4093-bccf-9d4f29a37011"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzQtMy0xLTEtMA_114b9b1c-e056-45b5-a584-444ee5bec3fd"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90YWJsZTo2YzI1OWY4MGEyYWE0NGY3YTJkMjJmM2E5NTMxZThhZS90YWJsZXJhbmdlOjZjMjU5ZjgwYTJhYTQ0ZjdhMmQyMmYzYTk1MzFlOGFlXzgtMy0xLTEtMA_d0c6f07d-297f-468b-a873-3d6edcefd212"
          xlink:to="id3VybDovL2RvY3MudjEvZG9jOjk1YjY5ZjRkNGQyODRhZDE5YzJkMjQ4N2Y5Mzc2MTk4L3NlYzo5NWI2OWY0ZDRkMjg0YWQxOWMyZDI0ODdmOTM3NjE5OF8xMjEvZnJhZzozMTc1NTJiM2YyNDM0ZTcyODU3NzRhMWRlZGU4MTFhMy90ZXh0cmVnaW9uOjMxNzU1MmIzZjI0MzRlNzI4NTc3NGExZGVkZTgxMWEzXzgyNDYzMzcyMDg4OTU_fd4f4990-affd-4cc7-9fba-6c4eda121933"
          xlink:type="arc"/>
    </link:footnoteLink>
</xbrl>
