LONG-TERM DEBT - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2020
Debt Instrument [Line Items]
Less: Unamortized Debt Issuance Costs	$ 9,500	$ 9,386
Net Carrying Amount	2,681,650	2,166,000
Less: Current Portion	328,300	327,766
Long-Term Debt	2,353,350	1,838,234
Revolving Credit Facility
Debt Instrument [Line Items]
Debt instrument, face amount			$ 160,000
Convertible 7.25% Senior Notes Due 2032
Debt Instrument [Line Items]
Debt instrument, face amount	600,000	400,000
Debt instrument, unamortized discount	5,788	4,479
Net Carrying Amount	$ 594,212	395,521
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	4,366	4,554
Net Carrying Amount	$ 495,634	495,446
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	2,933	3,077
Net Carrying Amount	397,067	396,923
CNX Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	$ 353,050	43,450
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	2,167	2,658
Net Carrying Amount	328,487	327,996
CNX Midstream Partners LP Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Net Carrying Amount	$ 22,700	$ 16,050

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of debt discount to be amortized within one year or within the normal operating cycle, if longer.

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Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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