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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Equipment and Goodwill (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 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 $ 34,196,000 $ 9,771,000 $ 867,000 $ 6,966,000  
Additions to exploratory well costs pending the determination of proved reserves 74,737,000 20,144,000 179,049,000 50,541,000  
Determined to have found proved reserves (71,838,000) 0 (142,821,000) (27,592,000)  
Ending capitalized exploratory well costs 37,095,000 $ 29,915,000 37,095,000 $ 29,915,000  
Impairment of oil and gas properties     0    
Goodwill $ 335,897,000   $ 335,897,000   $ 335,897,000