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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Reserve for Future Abandonment Costs (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Reserve for future abandonment costs at beginning of period $ 25,673 $ 19,290
New wells placed on production 381 328
Accretion expense 362 297
Reserve for future abandonment costs at end of period $ 26,416 $ 19,915