Debt Instrument, Convertible, Cash Consideration For Conversion

No definition available.

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Namespace Prefix:	cnx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt Instrument, Price, Percentage Of Par

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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- Definition

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

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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

The per share price of the Company's stock at which the contract holder of the freestanding contract has the right to purchase or sell the Company's stock at a future date.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

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

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The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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LONG-TERM DEBT - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended		12 Months Ended
	May 01, 2026	Dec. 15, 2025	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025	Dec. 31, 2020	Apr. 30, 2020
Debt Instrument [Line Items]
Long-term debt, gross			$ 2,223,745		$ 2,223,745		$ 2,421,359
Loss on debt extinguishment			0	$ 0	12,009	$ 0
Proceeds from issuance of convertible senior notes								$ 334,650
Minimum \| Call Option \| Capped Call Transaction
Debt Instrument [Line Items]
Strike price (in usd per share)								$ 12.84
Senior Notes due March 2034
Debt Instrument [Line Items]
Long-term debt, gross			$ 500,000		$ 500,000		0
Stated rate, debt instrument			5.875%		5.875%
Debt instrument, price, percentage of par			10000.00%		10000.00%
Senior Notes due January 2029
Debt Instrument [Line Items]
Long-term debt, gross			$ 0		$ 0		500,000
Stated rate, debt instrument			6.00%		6.00%
Purchase and retirement of long term debt					$ 500,000
Convertible Senior Notes due 2026
Debt Instrument [Line Items]
Long-term debt, gross			$ 0		$ 0		208,131
Stated rate, debt instrument			2.25%		2.25%
Principal			$ 208,556		$ 208,556		208,556
Convertible Senior Notes due 2026 \| Convertible Notes
Debt Instrument [Line Items]
Long-term debt, gross			0		0		208,131
Stated rate, debt instrument								2.25%	2.25%
Loss on debt extinguishment							842
Principal	$ 208,553	$ 122,098	0		0		208,556	$ 345,000
Conversion price (in usd per share)		$ 12.84
Additional cash consideration		$ 855
Convertible Senior Notes due 2026 \| Convertible Notes \| Common Stock
Debt Instrument [Line Items]
Issuance related to convertible debt (in shares)	12,636,743	9,509,188
Shares retired (in shares)	3,605,684
Convertible 2.25% Senior Notes Due 2026, Additional Option To Initial Purchasers \| Convertible Notes
Debt Instrument [Line Items]
Principal								$ 45,000
New Notes - Convertible 7.25% Senior Notes Due 2032
Debt Instrument [Line Items]
Principal				$ 200,000		$ 200,000
Convertible 7.25% Senior Notes Due 2032
Debt Instrument [Line Items]
Long-term debt, gross			$ 595,258		$ 595,258		$ 594,840
Stated rate, debt instrument			7.25%		7.25%
Debt instrument, price, percentage of par				100.50%		100.50%
Principal			$ 600,000		$ 600,000
Underwriter discount and issuance costs				$ 1,500		$ 1,500
Initial Notes - Convertible 7.25% Senior Notes Due 2032
Debt Instrument [Line Items]
Principal				$ 400,000		$ 400,000