SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Derivative Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Asset Derivative Financial Instruments:
Derivative Financial Instruments - Current Asset	$ 108,576	$ 19,206
Derivative Financial Instruments - Long-Term Asset	11,571	0
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Current Liability	0	27,636
Derivative Financial Instruments - Long Term Liability	9,694	0
Natural Gas Price Derivatives - Derivative Financial Instruments - Current Asset
Asset Derivative Financial Instruments:
Derivative Financial Instruments - Current Asset	108,576	19,206
Natural Gas Price Derivatives - Derivative Financial Instruments - Long-Term Asset
Asset Derivative Financial Instruments:
Derivative Financial Instruments - Long-Term Asset	11,571	0
Natural Gas Price Derivatives - Derivative Financial Instruments - Current Liability
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Current Liability	0	27,636
Natural Gas Price Derivatives - Derivative Financial Instruments - Long Term Liability
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Long Term Liability	$ 9,694	$ 0

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

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