Consolidated Entities Consolidated Entities [Axis] Variable Rate Variable Rate [Domain] Accrued expenses Accrued Liabilities, Current Derivative liability, notional amount Derivative Liability, Notional Amount Borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Award Type Award Type [Domain] Investment, Name Investment, Name [Domain] Revenue, remaining performance obligation, expected timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Unvested phantom units granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number DEBT Debt Disclosure [Text Block] Series A preferred unit exchange offer, net of shares withheld for taxes (in shares) Partners' Capital Account, Units, Converted First lien net leverage ratio (as a percent) Debt Instrument, Covenant, First Lien Net Leverage Ratio Debt Instrument, Covenant, First Lien Net Leverage Ratio Revolving Credit Facility Revolving Credit Facility [Member] Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Performance Units Performance Shares [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] Trade accounts payable Accounts Payable, Current Impairment on disposition Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down Investment, Name Investment, Name [Axis] Issuance costs Partners Capital, Issuance Costs Partners Capital, Issuance Costs Pending claims Loss Contingency, Pending Claims, Number Mandatory redemption period Debt Instrument, Covenant, Mandatory Redemption Period Debt Instrument, Covenant, Mandatory Redemption Period Commitments and contingencies (Note 14) Commitments and Contingencies Grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] LIBOR London Interbank Offered Rate [Member] London Interbank Offered Rate Net income (loss) Profit Loss Excluding Subsidiary Income Profit loss excluding subsidiary income. Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Debt instrument, covenant, excess cash flow offer to purchase, period three Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period Three Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period Three Deferred revenue, net Increase (Decrease) in Contract with Customer, Liability Concentration Risk [Line Items] Concentration Risk [Line Items] Common Units Limited Partner Common Units [Member] Limited partner common units. Gathering and processing systems and related equipment Gas Gathering and Processing Equipment [Member] 2026 Secured Notes Senior Notes Due 2026 [Member] Senior Notes Due 2026 Payments made Accrual for Environmental Loss Contingencies, Payments Business Acquisition [Line Items] Business Acquisition [Line Items] Outrigger DJ Outrigger DJ [Member] Outrigger DJ Proceeds from sale of Lane G&P System, net of cash sold in transaction Proceeds from sale of business, net of cash sold in transaction Proceeds from Divestiture of Businesses Land and line fill Landand Line Fill [Member] Land and line fill. Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Distribution payable Distribution Payable Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Line of Credit Line of Credit [Member] Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] Accrued compensation and employee benefits Accrued Employee Benefits, Current Litigation Case [Axis] Litigation Case [Axis] Trading Symbol Trading Symbol Investment in Double E equity method investee Payments to Acquire Equity Method Investments Net loss attributable to Summit Midstream Partners, LP Net loss attributable to Summit Midstream Partners, LP Net Income (Loss) Total current liabilities Liabilities, Current Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Derivative Contract Derivative Contract [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Accrued interest Interest Payable, Current Term Loan Credit Facility Term Loan Credit Facility [Member] Term loan credit facility. LIABILITIES AND CAPITAL Liabilities and Equity [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Axis] Summit Holdings And Finance Corporation Summit Holdings And Finance Corporation [Member] Summit Holdings and Finance Corporation. Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Cost of natural gas and NGLs Cost of Goods and Services Sold Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Credit Agreement Credit Agreement [Member] Credit agreement. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENTLY ISSUED ACCOUNTING STANDARDS APPLICABLE TO THE PARTNERSHIP Significant Accounting Policies [Text Block] Borrowing base capacity Line of Credit Facility, Current Borrowing Capacity Carrying Value Reported Value Measurement [Member] Operation and maintenance Utilities Operating Expense, Maintenance and Operations Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Accrued expenses Increase (Decrease) in Accrued Liabilities Units remaining available (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Measurement Basis Measurement Basis [Axis] 2025 Long-Term Debt, Maturity, Year Two Schedule of Reconciliation of Revenue from Segments to Consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Debt instrument, covenant, excess cash flow offer to purchase, period one Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period One Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period One Entity Small Business Entity Small Business Local Phone Number Local Phone Number Accounts receivable Increase (Decrease) in Accounts Receivable Fair Value Measurement Fair Value Measurement [Domain] Subsidiary Subsidiaries Subsidiaries [Member] 2023 Long-Term Debt, Maturity, Remainder of Fiscal Year Maximum amount of debt outstanding for maturity to occur Debt Instrument, Covenant, Maximum Amount Outstanding For Maturity Debt Instrument, Covenant, Maximum Amount Outstanding For Maturity Other Other Capitalized Property Plant and Equipment [Member] Trade accounts payable Increase (Decrease) in Accounts Payable, Trade Debt Instrument, Name Debt Instrument, Name [Domain] Depreciation expense Depreciation Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Line of Credit Facility [Table] Line of Credit Facility [Table] Schedule of Debt Schedule of Long-Term Debt Instruments [Table Text Block] Less: unamortized debt discount and debt issuance costs  Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Gathering services and related fees Natural Gas, Gathering, Transportation, Marketing and Processing [Member] Schedule of Equity Method Investments Equity Method Investments [Table Text Block] Repayments on ABL Facility Repayments of Senior Debt Gain on asset sales, net Gain (Loss) on Sale Of Assets, Net Gain (Loss) on Sale Of Assets, Net Natural gas, NGLs and condensate sales Natural Gas N G L And Condensate Sales [Member] Natural gas, NGLs and condensate sales. Product and Service Product and Service [Domain] Subsidiary Series A Preferred Units (93,039 units issued and outstanding at June 30, 2023 and December 31, 2022) Temporary Equity, Carrying Amount, Attributable to Parent Summit Permian Transmissions, LLC Summit Permian Transmissions, LLC [Member] Summit Permian Transmissions, LLC Standby Letters of Credit Standby Letters of Credit [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Change in Contract with Customer, Liability, Noncurrent [Roll Forward] Change in Contract with Customer, Liability, Noncurrent [Roll Forward] Change in Contract with Customer, Liability, Noncurrent Senior notes Notes Payable, Fair Value Disclosure Transaction costs Business Combination, Acquisition Related Costs Award Type Award Type [Axis] Nonvested anti-dilutive phantom units excluded from the calculation of diluted EPU (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Granted units (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Plan Name Plan Name [Domain] Document Quarterly Report Document Quarterly Report SMLP LTIP Long Term Incentive Plan [Member] Long-term incentive plan. Noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Interest expense Interest expense Interest Expense Add: Reconciliation Of Net Income To E B I T D A Additions [Abstract] Reconciliation of net Income to EBITDA, additions. Capital expenditures in trade accounts payable (period-end accruals) Capital Expenditures Incurred but Not yet Paid Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Total Property, Plant and Equipment, Gross Net book value of assets and liabilities divested Disposal Group, Including Discontinued Operations, Net Book Value Disposal Group, Including Discontinued Operations, Net Book Value Effect of 2022 Preferred Exchange Offer, inclusive of a $20.9 million deemed contribution to common unit holders (Note 10) Partners' Capital Account, Exchanges and Conversions Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash distribution (includes a $1.6 million distribution payable as of June 30, 2023) Distribution Made to Limited Partner, Cash Distributions Declared Less: Net income attributable to Subsidiary Series A Preferred Units Noncontrolling Interest in Net Income (Loss) Preferred Unit Holders, Redeemable Long-term Debt, Type Long-Term Debt, Type [Domain] Entity File Number Entity File Number Loss Contingencies [Table] Loss Contingencies [Table] Deemed contribution to common unit holders Contributed capital from preferred units exchange Contributed Capital From Preferred Units Exchange Contributed Capital From Preferred Units Exchange Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Add: additions Contract With Customer Liability, Noncurrent, Additions Contract with customer liability noncurrent additions. 2026 Long-Term Debt, Maturity, Year Three Entity Shell Company Entity Shell Company Business Acquisition, Acquiree Business Acquisition, Acquiree [Domain] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Accounting standards recently implemented and New accounting standards not yet implemented New Accounting Pronouncements, Policy [Policy Text Block] Intangible assets, net Finite-Lived Intangible Assets, Net Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Commitment fee (as a percent) Line of Credit Facility, Commitment Fee Percentage Deferred revenue Current deferred revenue, beginning balance Current deferred revenue, ending balance Contract with Customer, Liability, Current Security Exchange Name Security Exchange Name Unit-based compensation Partners' Capital Account, Unit-Based Payment Arrangement, Amount Total debt Long-Term Debt Barnett Barnett Shale Segment [Member] Barnett Shale segment. 2027 Long-Term Debt, Maturity, Year Four 2025 Senior Notes Two Thousand Twenty Five Senior Notes [Member] Two thousand twenty five senior notes. Total costs and expenses Costs and Expenses Other, net Proceeds from (Payments for) Other Financing Activities Document Type Document Type Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two UNIT-BASED AND NONCASH COMPENSATION Share-Based Payment Arrangement [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Business Acquisition Business Acquisition [Axis] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Changes in estimates Accrual for Environmental Loss Contingencies, Period Increase (Decrease) Other current liabilities Other Liabilities, Current Adjustments related to capital reimbursement activity Adjustments Related To Capital Reimbursement Activity Adjustments related to capital reimbursement activity. Variable Rate Variable Rate [Axis] Income Statement [Abstract] Income Statement [Abstract] Costs and expenses: Costs and Expenses [Abstract] Title of 12(b) Security Title of 12(b) Security Debt instrument, covenant, excess cash flow offer to purchase, period two Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period Two Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Period Two Unpaid penalties and fines, fixed rate (as a percent) Accrual for Environmental Loss Contingencies, Discount Rate Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] ACQUISITIONS AND DIVESTITURES Business Combination Disclosure [Text Block] Net loss Business Acquisition, Pro Forma Net Income (Loss) Tax withholdings on 2022 Preferred Exchange Offer Partners Capital Account, Increase From Assumption of Noncontrolling Interest Partners Capital Account, Increase From Assumption of Noncontrolling Interest Reportable Segments Operating Segments [Member] Other current assets Other Assets, Current Class of Stock [Line Items] Class of Stock [Line Items] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Entity Tax Identification Number Entity Tax Identification Number Investment in equity method investees Equity Method Investments Entity Interactive Data Current Entity Interactive Data Current 2015 Blacktail Release 2015 Blacktail Release [Member] 2015 Blacktail Release Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Partners' Capital Partners Capital [Member] Partners capital. Net loss per limited partner unit: Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract] Debt instrument, principal interest rate Debt Instrument, Covenant, Repurchase Amount Of Principal Plus Accrued Interest Debt Instrument, Covenant, Repurchase Amount Of Principal Plus Accrued Interest Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Segments Segments [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Ad valorem taxes payable Increase (Decrease) in Property and Other Taxes Payable Double E Double E Company L L C [Member] Double E company. Consolidation Items Consolidation Items [Domain] Distributions on Subsidiary Series A Preferred Units Payments of Capital Distribution Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Maximum period following end of quarter to distribute all available cash Distribution Of All Available Cash Maximum Period Following End Of Quarter Distribution of all available cash, maximum period following end of quarter. Debt offering Debt Instrument, Face Amount Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Entity Address, State or Province Entity Address, State or Province Schedule of Carrying Values and Estimated Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Other costs to sell Disposal Group, Including Discontinued Operations, Other Costs To Sell Disposal Group, Including Discontinued Operations, Other Costs To Sell Schedule Of Depreciation Expense And Capitalized Interest Costs Schedule Of Depreciation Expense And Capitalized Interest Cost [Table Text Block] Tabular disclosure of depreciation expense related to the property, plant and equipment and capitalized interest costs. Accrued interest Increase (Decrease) in Interest Payable, Net Disposal Group Name [Domain] Disposal Group Name [Domain] Environmental Remediation Site Environmental Remediation Site [Domain] Cash sold, working capital and other miscellaneous adjustments Disposal Group, Including Discontinued Operations, Consideration, Other Adjustments Disposal Group, Including Discontinued Operations, Consideration, Other Adjustments Series A Preferred Units (65,508 units issued and outstanding at June 30, 2023 and December 31, 2022) Preferred Units, Preferred Partners' Capital Accounts Accrued settlement payable Estimated Litigation Liability, Current Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Class of Stock Class of Stock [Domain] Claims settled Loss Contingency, Claims Settled, Number Interest Rate Swap Interest Rate Swap [Member] Debt Instrument Debt Instrument [Axis] Credit Facility Credit Facility [Axis] Schedule of Maturities of Long-term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] TOTAL LIABILITIES Liabilities ORGANIZATION, BUSINESS OPERATIONS AND PRESENTATION AND CONSOLIDATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Environmental Remediation Site Environmental Remediation Site [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Noncurrent deferred revenue Noncurrent deferred revenue, beginning balance Noncurrent deferred revenue, ending balance Contract with Customer, Liability, Noncurrent Limited Partners' Capital Account, Class Limited Partners' Capital Account, Class [Domain] Statement of Partners' Capital [Abstract] Statement of Partners' Capital [Abstract] Plan Name Plan Name [Axis] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Borrowings on ABL Facility Proceeds from Issuance of Senior Long-Term Debt Redemption price, expressed as percentage of principal amount Debt Instrument, Redemption Price, Percentage General and administrative General and Administrative Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Grant Date Fair Value Accrued and unpaid distributions Accrued and Unpaid Distributions Accrued and Unpaid Distributions Noncash lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Percentage of debt instrument Derivative Instrument, Percentage Of Debt Instrument Derivative Instrument, Percentage Of Debt Instrument Senior Notes Senior Notes [Member] Total current assets Assets, Current Deferred earn-out liability Business Combination, Contingent Consideration, Liability Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Restricted cash Restricted Cash Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] 2025 Senior Notes: Summit Holdings' 5.75% senior unsecured notes due April 15, 2025 Senior Notes Due April Twenty Twenty Five [Member] Senior notes due April twenty twenty five. Litigation Case [Domain] Litigation Case [Domain] Entity Filer Category Entity Filer Category Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Beginning balance Ending balance Partners' Capital Statement [Table] Statement [Table] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Current Fiscal Year End Date Current Fiscal Year End Date Sterling DJ Sterling DJ [Member] Sterling DJ Partners Capital [Table] Partners Capital [Table] Partners' capital. Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Grant date fair value (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Subsidiary Series A preferred unitholders, issued (in shares) Preferred units issued (in shares) Preferred Units, Issued Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Class of Stock Class of Stock Class of Stock [Axis] EQUITY METHOD INVESTMENTS Equity Method Investments and Joint Ventures Disclosure [Text Block] Lane G&P System Lane G&P System [Member] Lane G&P System Corporate and Other Corporate, Non-Segment [Member] Beginning October 15, 2025 Debt Instrument, Redemption, Period Three [Member] Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Depreciation and amortization Depreciation, Depletion and Amortization Adjusted EBITDA Total of reportable segments' measures of profit Adjusted Earnings Before Interest Taxes Depreciation And Amortization Adjusted earnings before interest, taxes, depreciation, and amortization. Other income (expense), net Other Operating Income (Expense), Net Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 2022 Preferred Exchange Offer Proceeds from Warrant Exercises Loss on sale of business Gain (Loss) on Disposition of Business Business Combination and Asset Acquisition [Abstract] Consolidation Items Consolidation Items [Axis] Revenues Business Acquisition, Pro Forma Revenue Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Partners Capital [Line Items] Partners Capital [Line Items] Partners' capital. Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Secured Notes Indenture, 2026 Secured Notes Indenture, 2026 [Member] Secured Notes Indenture, 2026 Debt Long-Term Debt, Fiscal Year Maturity [Abstract] Accrued environmental remediation, net Increase (Decrease) in Regulatory Liabilities Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Estimated Fair Value (Level 2) Fair Value, Inputs, Level 2 [Member] Mezzanine Capital Temporary Equity [Abstract] Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] 2025 Senior Notes Senior Notes Due2025 [Member] Senior Notes due 2025 Disposal Group Classification [Domain] Disposal Group Classification [Domain] Interest rate during period (as a percent) Debt Instrument, Interest Rate, Effective Percentage Damages Payable To State Governments Over Six Years Damages Payable To State Governments Over Six Years [Member] Damages Payable To State Governments Over Six Years Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Common Units Common Units [Member] Common unit. Common units - diluted (in shares) Weighted-average common units outstanding – diluted (in shares) Weighted Average Limited Partnership Units Outstanding, Diluted Unused portion under the facility Line of Credit Facility, Remaining Borrowing Capacity Unit-based and noncash compensation Unit-based and noncash compensation Share-Based Payment Arrangement, Noncash Expense DEFERRED REVENUE Contract With Customer Liability Disclosure [Text Block] Contract with customer liability disclosure. Accrued environmental remediation Accrued Environmental Loss Contingencies, Current City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code EARNINGS PER UNIT Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Repayments on Permian Transmission Term Loan Repayments of Secured Debt Document Fiscal Year Focus Document Fiscal Year Focus PARTNERS' CAPITAL AND MEZZANINE CAPITAL Partners' Capital Notes Disclosure [Text Block] Common unit - diluted (in dollars per share) Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted Weighted-average limited partner units outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Distributions from equity method investees Proceeds from Equity Method Investment, Distribution Total partners' capital Beginning balance Ending balance Partners' Capital, Including Portion Attributable to Noncontrolling Interest Piceance Piceance Basin Segment [Member] Piceance Basin segment. Unsecured notes Unsecured Long-Term Debt, Noncurrent Schedule of Accrued Environmental Remediation Schedule of Environmental Loss Contingencies by Site [Table Text Block] Net loss attributable to common limited partners Net loss attributable to common limited partners Net Income (Loss) Allocated to Limited Partners Disposal Group Classification [Axis] Disposal Group Classification [Axis] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Ad valorem taxes payable Accrual for Taxes Other than Income Taxes, Current ASSETS Assets [Abstract] Foreign currency gain Gain (Loss), Foreign Currency Transaction, before Tax Other revenues Other revenues Product and Service, Other [Member] Interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio Debt Instrument, Covenant, Interest Coverage Ratio Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Senior Secured Second Lien Notes Due 2026 Senior Secured Second Lien Notes Due 2026 [Member] Senior Secured Second Lien Notes Due 2026 COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Other, net Payments for (Proceeds from) Other Investing Activities Ownership interest (as a percent) Business Acquisition, Percentage of Voting Interests Acquired Current portion of long-term debt Less: current portion of Permian Transmission Credit Facility Long-Term Debt, Current Maturities TOTAL LIABILITIES AND CAPITAL Liabilities and Equity Other noncurrent assets Other Assets, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Gain on asset sales, net Gain on asset sales, net Gain (Loss) on Disposition of Assets Ohio Gathering Ohio Gathering Company L L C [Member] Ohio Gathering Company, L.L.C. Natural gas, NGLs and condensate sales Oil and Condensate [Member] Schedule Of Partner Units Activity Schedule Of Partner Units Activity Table [Table Text Block] Schedule of partner units activity. Entity Address, City or Town Entity Address, City or Town Cash paid for taxes Income Taxes Paid Consolidation Consolidation, Policy [Policy Text Block] Document Transition Report Document Transition Report Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Depreciation and amortization Depreciation Depletion And Amortization Including Amortization Of Above And Below Market Leases Depreciation depletion and amortization including amortization of above and below market leases. Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Fair value, other assets Other Assets, Fair Value Disclosure Derivative Instrument Derivative Instrument [Axis] Phantom Units Phantom Share Units (PSUs) [Member] Term loan Amortizing principal repayments Long-Term Debt, Gross Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Series A Preferred Units Series A Preferred Units [Member] Series A preferred units. Expected payment Accrual for Environmental Loss Contingencies, Expected Payment Accrual for Environmental Loss Contingencies, Expected Payment Meadowlark Midstream Gathering System Meadowlark Midstream Gathering System [Member] Meadowlark Midstream gathering system. ABL Facility: Summit Holdings' asset based credit facility due May 1, 2026 Asset Backed Lending Facility [Member] Asset Backed Lending Facility Common limited partner capital (10,376,189 and 10,182,763 units issued and outstanding at June 30, 2023 and December 31, 2022, respectively) Limited Partners' Capital Account Schedule of Estimated Revenue Expected to be Recognized and MVC Shortfall Payments Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Schedule of Reconciliation of Assets from Segment to Consolidated Reconciliation of Assets from Segment to Consolidated [Table Text Block] Permian Transmission Term Loan: Permian Transmission's variable rate senior secured term loan due January 2028 Permian Transmission Term Loan [Member] Permian Transmission Term Loan Unused portion of the permian transmission credit facility Debt Instrument, Unused Borrowing Capacity, Amount Schedule of Reconciliation Of Net Income To Adjusted EBITDA Reconciliation Of Net Income To Adjusted E B I T D A Table [Table Text Block] Reconciliation of net income to adjusted EBITDA. Common unit - basic (in dollars per share) Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Change in Contract with Customer, Liability, Current [Roll Forward] Change in Contract with Customer, Liability, Current [Roll Forward] Change in Contract with Customer, Liability, Current SUPPLEMENTAL CASH FLOW INFORMATION Cash Flow, Supplemental Disclosures [Text Block] Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Domain] Subsidiary Series A Preferred Units Subsidiary Series A Preferred Units [Member] Subsidiary Series A Preferred Units Proceeds from asset sale Payments for (Proceeds from) Asset Sale Payments for (Proceeds from) Asset Sale 2024 Long-Term Debt, Maturity, Year One Legal fines and other fees Accrual for Environmental Loss Contingencies, Charges to Expense for New Losses Permian Permian Basin Segment [Member] Permian Basin segment member. Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Beginning October 15, 2023 Debt Instrument, Redemption, Period One [Member] Rockies Rockies Segment [Member] Rockies Segment Entity Registrant Name Entity Registrant Name Effect of nonvested phantom units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Redemption accretion, net of issuance cost amortization Accretion of Subsidiary Series A Preferred Units, net of issuance cost amortization Preferred Stock, Accretion of Redemption Discount Accrued environmental remediation, beginning balance Accrued environmental remediation, ending balance Accrual for Environmental Loss Contingencies Partners' Capital Partners' Capital [Abstract] Common units issued for SMLP LTIP, net (in shares) Partners' Capital Account, Unit-Based Payment Arrangement, Number of Units Northeast Northeast Segment [Member] Northeast Segment Document Period End Date Document Period End Date Partner Type of Partners' Capital Account, Name Partner Type of Partners' Capital Account, Name [Domain] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 2026 Secured Notes: Summit Holdings' and Finance Corp's 8.50% senior second lien notes due October 15, 2026 Senior Secured Notes Due 2026 [Member] Senior Secured Notes Due 2026 Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Entity Central Index Key Entity Central Index Key Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Loss contingency accrual Loss Contingency Accrual Gain on interest rate swaps Loss on interest rate swaps Derivative, Gain (Loss) on Derivative, Net Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Income tax benefit (expense) Income Tax Expense (Benefit) Common limited partner capital (in shares), outstanding Limited Partners' Capital Account, Units Outstanding FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Debt issuance costs Payments of Financing Costs Acquisition integration costs Business Combination, Integration Related Costs Long-lived asset impairments Long-lived asset impairment Impairment of Long-Lived Assets to be Disposed of Schedule of Disaggregated Revenue by Geographic Area and Major Products and Services Reportable Segments Disaggregation of Revenue [Table Text Block] Damages Payable To Federal Criminal Over Five Years Damages Payable To Federal Criminal Over Five Years [Member] Damages Payable To Federal Criminal Over Five Years Equity [Abstract] Equity [Abstract] Proportional adjusted EBITDA for equity method investees Adjusted Earnings Before Interest Taxes Depreciation And Amortization Proportional Equity Method Investment Adjustment Adjusted earnings before interest, taxes, depreciation, and amortization, proportional equity method investment adjustment. Tax withholdings and associated payments on vested SMLP LTIP awards Partners Capital Account Tax Withholding For Unit Based Compensation Partners Capital Account Tax Withholding For Unit Based Compensation Partners' capital account tax withholding for unit-based compensation. ABL Facility ABL Facility [Member] ABL Facility Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Entity Entity [Domain] Long-term Debt, Type Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Legal Entity Legal Entity [Axis] Unrealized (gain) loss on interest rate swaps Unrealized Gain (Loss) on Derivatives Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Issued units (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period Thereafter Long-Term Debt, Maturity, After Year Four Long-Term Debt, Maturity, After Year Four Credit Facility Credit Facility [Domain] Applicable margin (as a percent) Debt Instrument, Basis Spread on Variable Rate Long-term debt, net of issuance costs Total long-term debt Long-Term Debt, Excluding Current Maturities Add: additions Contract With Customer Liability, Current, Additions Contract with customer liability current additions. Damages Payable To Federal Government over Five Years Damages Payable To Federal Government over Five Years [Member] Damages Payable To Federal Government over Five Years Schedule of Contract with Customer, Contract Asset, Contract Liability, and Receivable Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] REVENUE Revenue from Contract with Customer [Text Block] Capital expenditures Payments to Acquire Property, Plant, and Equipment Corporate and Other expense Corporate And Other Expenses Corporate and other expenses. Gathering services and related fees Gathering Services And Related Fees [Member] Gathering services and related fees. Less: revenue recognized and other Contract With Customer Liability, Current, Revenue Recognized Contract with customer liability current revenue recognized. TOTAL ASSETS Assets Assets Debt instrument, covenant, excess cash flow offer to purchase, basis point increase, period three Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period Three Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period Three Income from equity method investees Income from equity method investees Income (Loss) from Equity Method Investments Loss Contingencies [Line Items] Loss Contingencies [Line Items] Cover [Abstract] Cover [Abstract] Debt instrument, covenant, excess cash flow offer to purchase, basis point increase, period one Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period One Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period One Amortization of debt issuance costs Amortization of Debt Issuance Costs Debt issued as a percent of face value Debt Instrument, Issued As A Percentage of Face Value Debt Instrument, Issued As A Percentage of Face Value Capitalized interest Capitalized Interest Costs, Including Allowance for Funds Used During Construction Common units - basic (in shares) Weighted-average common units outstanding – basic (in shares) Weighted Average Limited Partnership Units Outstanding, Basic Segment Reconciling Items Segment Reconciling Items [Member] Debt instrument, covenant, excess cash flow offer to purchase, basis point increase, period two Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period Two Debt Instrument, Covenant, Excess Cash Flow Offer To Purchase, Basis Point Increase, Period Two Preferred units, outstanding (in shares) Subsidiary Series A preferred unitholders, outstanding (in shares) Preferred Units, Outstanding Series A Preferred Units Series A Preferred Stock Series A Preferred Stock [Member] Debt instrument, interest rate Debt Instrument, Interest Rate During Period Add: deemed contribution from 2022 Preferred Exchange Offer Add: Deemed capital contribution from 2022 Preferred Exchange Offer Deemed Capital Contribution From Preferred Exchange Offer Two Thousand Twenty Two Deemed Capital Contribution From Preferred Exchange Offer Two Thousand Twenty Two Other noncurrent liabilities Other Liabilities, Noncurrent Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Construction in progress Construction in Progress [Member] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Common limited partner capital (in shares), issued Limited Partners' Capital Account, Units Issued Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Loss before income taxes and equity method investment income Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Secured Debt Secured Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Entity Current Reporting Status Entity Current Reporting Status Redemption amount Preferred Stock, Redemption Amount Units, beginning balance (in shares) Units, ending balance (in shares) Partners' Capital Account, Units Beginning October 15, 2024 Debt Instrument, Redemption, Period Two [Member] Working Capital Credit Facility Working Capital Credit Facility [Member] Working Capital Credit Facility. Number of directors Number Of Directors Number of directors. Revenues: Revenues [Abstract] Consolidated Entities Consolidated Entities [Domain] Less: reclassification to current deferred revenue and other Contract With Customer Liability, Noncurrent, Reclassification To Current Contract with customer liability noncurrent reclassification to current. Natural Resource Damages To Federal and State Governments Natural Resource Damages To Federal and State Governments [Member] Natural Resource Damages To Federal and State Governments Segments Segments [Axis] Statement [Line Items] Statement [Line Items] Concentration Risk [Table] Concentration Risk [Table] Fair Value Estimate of Fair Value Measurement [Member] Partner Type Partner Type [Axis] Condensed Financial Statements [Table] Condensed Financial Statements [Table] Secured notes Long-Term Line of Credit Noncurrent accrued environmental remediation Accrued Environmental Loss Contingencies, Noncurrent Penalties and fines, payment period Environmental Loss Contingencies, Penalties and Fines, Payment Period Environmental Loss Contingencies, Penalties and Fines, Payment Period Limited Partners' Capital Account by Class Limited Partners' Capital Account by Class [Axis]