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Acquisitions and Dispositions - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 28, 2020	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Common stock outstanding (in shares)			170,841,164	203,531,320
Entity shares issued per acquiree share (in shares)	0.88
CNXM
Business Acquisition [Line Items]
Common stock outstanding (in shares)	42,107,071
CNXM | Public Unitholders
Business Acquisition [Line Items]
Ownership percentage in equity method investment	46.90%				46.90%
CNXM | CNX
Business Acquisition [Line Items]
Ownership percentage in equity method investment	53.10%				53.10%
CNXM CNX Midstream GP LLC CNX Resources Holding LLC Merger Agreements
Business Acquisition [Line Items]
Number of shares issued in acquisition (in shares)	37,054,223
Cash consideration transferred	$ 384,623
Transaction costs		$ 11,271

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