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LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Apr. 30, 2020	Mar. 31, 2020
Debt Instrument [Line Items]
Debt instrument, face amount				$ 1
Net Carrying Amount	$ 2,166,000	$ 2,214,374
Unamortized Issuance Costs	9,386	11,660
Less: Current Portion	327,766	325,668
Long-Term Debt	$ 1,838,234	1,888,706
Senior Notes due January 2029 at 6.00%
Debt Instrument [Line Items]
Stated rate, debt instrument	6.00%
Net Carrying Amount	$ 500,000	500,000
Senior Notes Due January 2031 at 7.375%
Debt Instrument [Line Items]
Stated rate, debt instrument	7.375%
Debt instrument, face amount	$ 500,000		$ 500,000
Debt instrument, unamortized discount	4,554	5,308
Net Carrying Amount	495,446	494,692
Senior Notes due April 2030
Debt Instrument [Line Items]
Stated rate, debt instrument			4.75%
Debt instrument, face amount	400,000
Debt instrument, unamortized discount	3,077	3,654
Net Carrying Amount	$ 396,923	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	4,479
Net Carrying Amount	$ 395,521	0
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	2,658	4,586
Net Carrying Amount	$ 327,996	326,068
Senior Notes due March 2027 at 7.25%
Debt Instrument [Line Items]
Stated rate, debt instrument	7.25%
Debt instrument, unamortized premium		1,728
Net Carrying Amount	$ 0	351,728
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, face amount					$ 160,000
Revolving Credit Facility \| CNX Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	43,450	52,050
Revolving Credit Facility \| CNX Midstream Partners LP Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	$ 16,050	$ 105,150