SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Derivative Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Asset Derivative Financial Instruments:
Derivative Financial Instruments - Current Asset	$ 23,973	$ 23,884
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Current Liability	0	4,420
Derivative Financial Instruments - Long Term Liability	4,540	0
Natural Gas Price Derivatives - Derivative Financial Instruments - Current Asset
Asset Derivative Financial Instruments:
Derivative Financial Instruments - Current Asset	23,973	23,884
Natural Gas Price Derivatives - Derivative Financial Instruments - Current Liability
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Current Liability	0	4,420
Natural Gas Price Derivatives - Derivative Financial Instruments - Long Term Liability
Liability Derivative Financial Instruments:
Derivative Financial Instruments - Long Term Liability	$ 4,540	$ 0

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483466/210-20-50-3

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