Credit Facility, Debt Covenant, Secured Leverage Ratio

No definition available.

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- Definition

Debt Instrument, Borrowing Base

+ References

No definition available.

+ Details

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Namespace Prefix:	cnx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Interest Coverage Ratio

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Net Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Interest Ratio per Credit Facility Covenant

+ References

No definition available.

+ Details

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- Definition

Letters Of Credit, Amount Outstanding

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum Current Ratio Per Credit Facility

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-9

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13)(3)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

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-Topic 210
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-Name Accounting Standards Codification
-Section S99
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

+ Details

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Balance Type:	credit
Period Type:	instant

- 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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- Details

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REVOLVING CREDIT FACILITIES (Details) $ in Thousands	6 Months Ended
REVOLVING CREDIT FACILITIES (Details) $ in Thousands	Jun. 30, 2026 USD ($)	May 13, 2026 USD ($)	Dec. 31, 2025 USD ($)	May 17, 2024 USD ($)
Federal Funds Open Rate
Short-term Debt [Line Items]
Basis spread on variable rate	0.50%
Federal Funds Open Rate \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	0.50%
One-Month SOFR
Short-term Debt [Line Items]
Basis spread on variable rate	1.00%
One-Month SOFR \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	1.00%
One-Month SOFR \| Minimum
Short-term Debt [Line Items]
Basis spread on variable rate	0.75%
One-Month SOFR \| Minimum \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	0.75%
One-Month SOFR \| Maximum
Short-term Debt [Line Items]
Basis spread on variable rate	1.75%
One-Month SOFR \| Maximum \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	2.00%
Secured Overnight Financing Rate (SOFR) \| Minimum
Short-term Debt [Line Items]
Basis spread on variable rate	1.75%
Secured Overnight Financing Rate (SOFR) \| Minimum \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	1.75%
Secured Overnight Financing Rate (SOFR) \| Maximum
Short-term Debt [Line Items]
Basis spread on variable rate	2.75%
Secured Overnight Financing Rate (SOFR) \| Maximum \| Midstream
Short-term Debt [Line Items]
Basis spread on variable rate	3.00%
Revolving Credit Facility
Short-term Debt [Line Items]
Initial borrowing base		$ 2,400,000
Elected commitments		$ 1,400,000
Minimum current ratio	1.00
Borrowings outstanding	$ 155,650		$ 200,000
Weighted average interest rate	6.15%		5.69%
Letters of credit outstanding	$ 27,997		$ 27,997
Borrowings and issuance of letters of credit remaining capacity	1,216,353		1,172,003
Revolving Credit Facility \| Midstream
Short-term Debt [Line Items]
Borrowings outstanding	$ 90,000		$ 32,750
Weighted average interest rate	5.38%		5.58%
Letters of credit aggregate sub-limit				$ 600,000
Interest coverage ratio	2.50
Revolving credit available for borrowing	$ 510,000		$ 567,250
Revolving Credit Facility \| Minimum \| Midstream
Short-term Debt [Line Items]
Maximum net leverage ratio	5.00
Revolving Credit Facility \| Maximum
Short-term Debt [Line Items]
Net leverage ratio	3.50
Revolving Credit Facility \| Maximum \| Midstream
Short-term Debt [Line Items]
Maximum net leverage ratio	5.25
Secured leverage ratio	3.25
Line of Credit \| Midstream
Short-term Debt [Line Items]
Borrowings outstanding	$ 0		$ 0