Impairment of Contract Asset (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Jan. 01, 2022	Mar. 31, 2020
Noncontrolling Interest [Line Items]
Contract asset, noncurrent		$ 0						$ 410,000
Cash payment option value for contract asset							$ 196,000
Impairment of contract asset	$ 0	$ 29,300	$ 0	$ 184,900	$ 0	$ 184,945
Equitrans Midstream
Noncontrolling Interest [Line Items]
Percentage of equity interest sold								50.00%