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Asset Retirement Obligations - Summary of Changes in Asset Retirement Obligations (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Asset Retirement Obligations          
Asset retirement obligations at beginning of period     $ 103,414    
Liabilities added from acquisition or drilling     20    
Liabilities settled     (552)    
Accretion expense $ 1,773 $ 1,665 5,242 $ 4,918  
Revision of estimates     117    
Asset retirement obligation at end of period 108,241   108,241    
Less: Current Portion 883   883   $ 1,016
Asset retirement obligations - long-term portion $ 107,358   $ 107,358   $ 102,398