v3.26.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Equipment and Goodwill (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 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 $ 269,551,000 $ 151,973,000 $ 210,127,000 $ 68,223,000  
Additions to exploratory well costs pending the determination of proved reserves 120,022,000 114,215,000 469,156,000 345,319,000  
Determined to have found proved reserves (277,807,000) (62,062,000) (567,517,000) (209,416,000)  
Exploratory wells costs charged to expense (6,741,000) 0 (6,741,000) 0  
Ending capitalized exploratory well costs 105,025,000 204,126,000 105,025,000 204,126,000  
Impairment of oil and gas properties     0    
Goodwill 335,897,000   335,897,000   $ 335,897,000
Goodwill impairment $ 0 $ 0 $ 0 $ 0