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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Current Assets (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Accounting Policies [Abstract] |  |
Pipe and well equipment inventory | $ 50,708 | $ 34,819
Production tax refunds receivable | 14,988 | 11,156
Prepaid expenses | 2,876 | 2,455
Prepaid drilling costs | 0 | 4,265
Accrued proceeds from sale of natural gas and oil properties | 0 | 3,118
Other | 0 | 511
Other current assets | $ 68,572 | $ 56,324

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