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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Reserve for Future Abandonment Costs (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Reserve for future abandonment costs at beginning of period $ 20,787 $ 33,996
New wells and facilities placed on production 157 156
Liabilities settled (29) (99)
Wells sold 0 (13,760)
Accretion expense 914 1,437
Reserve for future abandonment costs at end of period $ 21,829 $ 21,730