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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 03, 2018
Goodwill [Line Items]
Goodwill			$ 323,314	$ 323,314	$ 796,359
Impairment		$ 473,045	0	473,045	0
Amortization expense			6,552	$ 6,552	$ 6,552
Estimated annual amortization expense expected, 2022			6,552
Estimated annual amortization expense expected, 2023			6,552
Estimated annual amortization expense expected, 2024			6,552
Estimated annual amortization expense expected, 2025			6,552
Estimated annual amortization expense expected, 2026			$ 6,552
CNX Gathering
Goodwill [Line Items]
Ownership percentage in equity method investment	50.00%
Customer Relationships
Goodwill [Line Items]
Useful life, customer relationship intangible assets			17 years
Midstream Acquisition
Goodwill [Line Items]
Cash consideration transferred	$ 305,000
Fair value of equity interest in acquiree	$ 799,033
Goodwill						$ 796,359
Other intangible assets						$ 128,781
Impairment		$ 473,045