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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Current Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
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Accounting Policies [Abstract] |  |
Prepaid drilling costs | $ 34,943 | $ 53,134
Prepaid expenses | 19,461 | 5,684
Income tax receivable | 3,024 | 3,024
Production tax refunds receivable | 2,307 | 5,827
Other | 69 | 7,588
Other current assets | $ 59,804 | $ 75,257

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