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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of Changes in Reserve for Future Abandonment Costs (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 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 844 862
Acquisition of natural gas treating plant 1,211 0
Liabilities settled and assets disposed of (29) (6)
Accretion expense 734 602
Reserve for future abandonment costs at end of period $ 28,433 $ 20,748