Impairment of Contract Asset (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Oct. 04, 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	$ 184,945
Equitrans Midstream
Noncontrolling Interest [Line Items]
Percentage of equity interest sold					50.00%