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Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Mar. 31, 2020
Debt Instrument [Line Items]
Less: Unamortized Debt Issuance Costs	$ 9,919	$ 11,660
Net Carrying Amount	2,284,891	2,214,374
Less: Current Portion	327,236	325,668
Long-Term Debt	$ 1,957,655	1,888,706
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, face amount			$ 160,000
Senior Notes due January 2029
Debt Instrument [Line Items]
Stated rate, debt instrument	6.00%
Net Carrying Amount	$ 500,000	500,000
Senior Notes due January 2031
Debt Instrument [Line Items]
Stated rate, debt instrument	7.375%
Debt instrument, face amount	$ 500,000
Debt instrument, unamortized discount	4,743	5,308
Net Carrying Amount	$ 495,257	494,692
Senior Notes due April 2030
Debt Instrument [Line Items]
Stated rate, debt instrument	4.75%
Debt instrument, face amount	$ 400,000	400,000
Debt instrument, unamortized discount	3,221	3,654
Net Carrying Amount	$ 396,779	396,346
Convertible 7.25% Senior Notes Due 2032
Debt Instrument [Line Items]
Stated rate, debt instrument	7.25%
Debt instrument, face amount	$ 400,000
Debt instrument, unamortized discount	4,635
Debt instrument, unamortized premium	5,000
Net Carrying Amount	$ 395,365	0
Convertible Senior Notes due May 2026
Debt Instrument [Line Items]
Stated rate, debt instrument	2.25%
Debt instrument, face amount	$ 330,654
Debt instrument, unamortized discount	3,145	4,586
Net Carrying Amount	327,509	326,068
CNX Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	153,250	52,050
CNX Midstream Partners LP Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	$ 26,650	105,150
Senior Notes due March 2027
Debt Instrument [Line Items]
Stated rate, debt instrument	7.25%
Debt instrument, face amount	$ 350,000
Debt instrument, unamortized premium	1,728
Net Carrying Amount	$ 0	$ 351,728