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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2017	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Jan. 03, 2018
Goodwill [Line Items]
Goodwill		$ 323,314		$ 323,314		$ 323,314
Accumulated impairment losses on goodwill		473,045		$ 473,045		$ 473,045
Useful life, customer relationship intangible assets				17 years
Amortization expense		1,638	$ 1,638	$ 4,915	$ 4,914
Estimated annual amortization expense, Year 1		6,552		6,552
Estimated annual amortization expense, Year 2		6,552		6,552
Estimated annual amortization expense, Year 3		6,552		6,552
Estimated annual amortization expense, Year 4		6,552		6,552
Estimated annual amortization expense, Year 5		$ 6,552		$ 6,552
Midstream Acquisition
Goodwill [Line Items]
Cash consideration transferred	$ 305,000
Fair value of previously held equity interest	$ 799,033
Goodwill							$ 796,359
Other intangible assets							$ 128,781
CNX Gathering LLC
Goodwill [Line Items]
Ownership percentage in equity method investment	50.00%