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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Equipment and Goodwill (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Increase (Decrease) in Capitalized Exploratory Well Costs that are Pending Determination of Proved Reserves [Roll Forward]          
Beginning capitalized exploratory well costs $ 232,390,000 $ 168,330,000 $ 210,127,000 $ 68,223,000  
Additions to exploratory well costs pending the determination of proved reserves 174,359,000 130,997,000 349,134,000 231,104,000  
Determined to have found proved reserves (137,198,000) (147,354,000) (289,710,000) (147,354,000)  
Ending capitalized exploratory well costs 269,551,000 151,973,000 269,551,000 151,973,000  
Impairment of oil and gas properties     0    
Goodwill 335,897,000   335,897,000   $ 335,897,000
Goodwill impairment $ 0 $ 0 $ 0 $ 0