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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Derivative Contracts Volume and Prices (Detail)	9 Months Ended
	Sep. 30, 2025 MMBTU $ / Mcf
Natural Gas Swap Contracts
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	166,940,000
Average price (in dollars per MMBtu)	3.5
Natural Gas Swap Contracts | Swap Contracts for 2025
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	50,140,000
Average price (in dollars per MMBtu)	3.48
Natural Gas Swap Contracts | Swap Contracts for 2026
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	116,800,000
Average price (in dollars per MMBtu)	3.51
Natural Gas Price Collar Contracts:
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	181,700,000
Average ceiling (dollars per unit)	4.31
Average floor (dollars per MMBtu)	3.5
Natural Gas Price Collar Contracts: | Collar Contracts for 2025
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	13,800,000
Average ceiling (dollars per unit)	3.8
Average floor (dollars per MMBtu)	3.5
Natural Gas Price Collar Contracts: | Collar Contracts for 2026
Derivative [Line Items]
Volume (in MMBTU) | MMBTU	167,900,000
Average ceiling (dollars per unit)	4.35
Average floor (dollars per MMBtu)	3.5

X

- Definition

Derivative average ceiling price.

+ References

No definition available.

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- Definition

The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

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- Definition

The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

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