SEGMENT INFORMATION - Narrative (Details)	6 Months Ended
Jun. 30, 2022 compressorStation mi segment
Segment Reporting Information [Line Items]
Number of segments \| segment	2
Summit Midstream
Segment Reporting Information [Line Items]
Compressor stations \| compressorStation	3
Oil and gas pipeline \| mi	45

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration