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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, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 03, 2018
Goodwill [Line Items]
Goodwill			$ 323,314	$ 323,314
Goodwill, Impairment Loss			0	0	$ 473,045
Goodwill, Impaired, Accumulated Impairment Loss			473,045	473,045
Amortization expense			6,553	$ 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
Goodwill, Impairment Loss		$ 473,045

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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