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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Equipment and Goodwill (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Increase (Decrease) in Capitalized Exploratory Well Costs that are Pending Determination of Proved Reserves [Roll Forward]          
Beginning capitalized exploratory well costs $ 30,557,000 $ 18,523,000 $ 867,000 $ 6,966,000  
Additions to exploratory well costs pending the determination of proved reserves 74,622,000 18,840,000 104,312,000 30,397,000  
Determined to have found proved reserves (70,983,000) (27,592,000) (70,983,000) (27,592,000)  
Ending capitalized exploratory well costs 34,196,000 9,771,000 34,196,000 9,771,000  
Impairment of oil and gas properties 0 $ 0 0 $ 0  
Goodwill $ 335,897,000   $ 335,897,000   $ 335,897,000