OIL AND NATURAL GAS PROPERTIES (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
OIL AND NATURAL GAS PROPERTIES
Proved properties	$ 2,227,209	$ 2,097,281
Unevaluated properties	190,380	174,189
Less: accumulated depreciation, depletion, and impairment	(1,207,591)	(1,148,157)
Total oil and natural gas properties, net	1,209,998	$ 1,123,313
Costs not subject to depletion
Incurred in 2026	72,441
Incurred in 2025	98,279
Prior	19,660
Total costs not subject to depletion	$ 190,380

Proved oil and gas properties, gross, carried under the full cost method.

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- Definition

Unproved oil and gas properties, gross, carried under the full cost method.

+ References

No definition available.

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Amount of capitalized cost excluded from amortization for investment in unproved property and development project for oil- and gas-producing activities accounted for under full cost method. Includes, but is not limited to, acquisition, exploration, and development costs for development project and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7)(ii))
-Publisher FASB
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Amount of capitalized cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method incurred in current fiscal year. Includes acquisition, exploration, and development costs and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section S99
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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Amount of capitalized cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method in fiscal year before current fiscal year. Includes acquisition, exploration, and development costs and capitalized interest.

+ References

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Amount of capitalized cost excluded from amortization for investment in unproved property and development project in oil- and gas-producing activities accounted for under full cost method incurred more than three years prior to current fiscal year. Includes acquisition, exploration, and development costs and capitalized interest.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 360
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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- Definition

Amount of accumulated depletion of oil and gas properties accounted for under full cost method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 932
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-10(c)(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1

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- Definition

Amount, after accumulated depletion, of oil and gas properties subject to amortization accounted for under full cost method.

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