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OIL AND NATURAL GAS PROPERTIES (Tables) | 12 Months Ended
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Dec. 31, 2025
OIL AND NATURAL GAS PROPERTIES |
Schedule of oil and natural gas properties | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | December 31, | ​ | December 31,
​ | ​ | 2025 | ​ | 2024
​ | ​ | (In thousands)
Oil and natural gas properties | ​ | ​ | ​ | ​ | ​ | ​
Proved properties | ​ | $ | 2,097,281 | ​ | $ | 1,933,512
Unevaluated properties | ​ | ​ | 174,189 | ​ | ​ | 115,200
Less: accumulated depreciation, depletion and impairment | ​ | ​ | (1,148,157) | ​ | ​ | (1,023,890)
Total oil and natural gas properties | ​ | $ | 1,123,313 | ​ | $ | 1,024,822
​ | ​ | ​ | ​ | ​ | ​ | ​
Costs not subject to depletion | ​ | ​ | ​ | ​ | ​ | ​
Incurred in 2025 | ​ | $ | 116,500 | ​ | ​ | ​
Incurred in 2024 | ​ | ​ | — | ​ | ​ | ​
Incurred in 2023 | ​ | ​ | 57,689 | ​ | ​ | ​
Prior | ​ | ​ | — | ​ | ​ | ​
Total costs not subject to depletion | ​ | $ | 174,189 | ​ | ​ | ​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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