v3.19.3.a.u2
Document and Entity Information
Dec. 10, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Dec. 10, 2019
Entity Registrant Name Summit Midstream Partners, LP
Entity Central Index Key 0001549922
Entity Emerging Growth Company false
Entity File Number 001-35666
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 45-5200503
Entity Address, Address Line One 1790 Hughes Landing Blvd
Entity Address, Address Line Two Suite 500
Entity Address, City or Town The Woodlands
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77380
City Area Code 832
Local Phone Number 413-4770
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of each class Common Units
Trading Symbol SMLP
Name of each exchange on which registered NYSE