SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Derivative Contracts Volume and Prices (Detail) MMBTU in Thousands	9 Months Ended
Sep. 30, 2026 MMBTU $ / Mcf
Natural Gas Swap Contracts
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	109,850
Average price (in dollars per MMBtu)	3.5
Natural Gas Swap Contracts \| Swap Contracts for 2025
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	29,440
Average price (in dollars per MMBtu)	3.51
Natural Gas Swap Contracts \| Swap Contracts for 2026
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	40,150
Average price (in dollars per MMBtu)	3.5
Natural Gas Swap Contracts \| Swap Contracts for 2026
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	40,260
Average price (in dollars per MMBtu)	3.5
Natural Gas Price Collar Contracts:
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	188,320
Average ceiling (dollars per unit)	4.42
Average floor (dollars per MMBtu)	3.5
Natural Gas Price Collar Contracts: \| Collar Contracts for 2025
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	42,320
Average ceiling (dollars per unit)	4.35
Average floor (dollars per MMBtu)	3.5
Natural Gas Price Collar Contracts: \| Collar Contracts for 2026
Derivative [Line Items]
Volume (in MMBTU) \| MMBTU	146,000
Average ceiling (dollars per unit)	4.44
Average floor (dollars per MMBtu)	3.5

Derivative average ceiling price.

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

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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 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: 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

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5

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