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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jan. 01, 2022	Apr. 30, 2020	Mar. 31, 2020
Debt Instrument [Line Items]
Debt instrument, face amount					$ 1,000
Less: Unamortized Debt Issuance Costs	$ 12,280,000	$ 14,133,000
Net Carrying Amount	2,168,932,000	2,205,735,000
Less: Current Portion	325,152,000	0
Long-Term Debt	$ 1,843,780,000	2,205,735,000
Senior Notes due January 2029
Debt Instrument [Line Items]
Stated rate, debt instrument	6.00%
Net Carrying Amount	$ 500,000,000	500,000,000
Senior Notes due January 2031
Debt Instrument [Line Items]
Stated rate, debt instrument	7.375%
Debt instrument, face amount	$ 500,000,000
Debt instrument, unamortized discount	5,496,000	6,061,000
Debt instrument, unamortized premium			$ 6,250,000
Net Carrying Amount	$ 494,504,000	493,939,000
Senior Notes due April 2030
Debt Instrument [Line Items]
Stated rate, debt instrument	4.75%
Debt instrument, face amount	$ 400,000,000	400,000,000
Debt instrument, unamortized discount	3,798,000	4,231,000
Net Carrying Amount	$ 396,202,000	395,769,000
Senior Notes due March 2027
Debt Instrument [Line Items]
Stated rate, debt instrument	7.25%
Debt instrument, face amount	$ 350,000,000
Debt instrument, unamortized premium	1,862,000	2,266,000
Net Carrying Amount	$ 351,862,000	352,266,000
Convertible Senior Notes due May 2026
Debt Instrument [Line Items]
Stated rate, debt instrument	2.25%			2.25%
Debt instrument, face amount	$ 330,654,000
Debt instrument, unamortized discount	5,060,000	6,460,000
Net Carrying Amount	325,594,000	324,194,000
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, face amount						$ 160,000,000
Revolving Credit Facility \| CNX Midstream Partners LP Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	88,050,000	153,700,000
Revolving Credit Facility \| CNX Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	$ 25,000,000	$ 0