v3.26.1
Property, plant and equipment - Schedule Of Plant Property Equipment (Detail) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance $ 2,805,983,000    
Impairment of long -lived assets   $ (487,000)  
Ending Balance 5,543,032,000 2,805,983,000  
Land and buildings [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 8,032,000    
Ending Balance 8,110,000 8,032,000  
Vehicles machinery facilities computer hardware and furniture and fixtures [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 32,603,000    
Ending Balance 30,714,000 32,603,000  
Oil and gas properties [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 399,117,000    
Disposals     $ (2,051)
Ending Balance 908,781,000 399,117,000  
Production wells and facilities [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 2,085,939,000    
Ending Balance 3,862,419,000 2,085,939,000  
Work in progress [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 191,207,000    
Ending Balance 596,810,000 191,207,000  
Materials and spare parts [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 89,085,000    
Ending Balance 136,198,000 89,085,000  
Cost [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 4,060,317,000 2,759,419,000  
Additions 1,330,503 1,296,764,000  
Additions of Farmout Agreement 109,538,000    
Incorporation through Business Combination 2,055,517,000    
Disposals (1,753) (560,000)  
Impairment of long -lived assets (45,255)    
Reversal of Accumulated depreciation from business combination of PELSA   4,694,000  
Ending Balance 7,508,867 4,060,317,000 2,759,419,000
Cost [member] | Land and buildings [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 8,264,000 12,574,000  
Transfers 84 (4,310,000)  
Impairment of long -lived assets (6)    
Ending Balance 8,342 8,264,000 12,574,000
Cost [member] | Vehicles machinery facilities computer hardware and furniture and fixtures [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 54,066,000 43,524,000  
Incorporation through Business Combination 867,000    
Transfers 4,551 11,102,000  
Disposals (23) (560,000)  
Impairment of long -lived assets (549)    
Ending Balance 58,912 54,066,000 43,524,000
Cost [member] | Oil and gas properties [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 500,908,000 498,707,000  
Additions of Farmout Agreement 29,295,000    
Incorporation through Business Combination 570,092,000    
Impairment of long -lived assets (20,295)    
Reversal of Accumulated depreciation from business combination of PELSA   2,201,000  
Ending Balance 1,080,000 500,908,000 498,707,000
Cost [member] | Production wells and facilities [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 3,216,787,000 2,036,644,000  
Additions 5,397 23,325,000  
Additions of Farmout Agreement 80,243,000    
Incorporation through Business Combination 1,043,763,000    
Transfers 1,306,142 1,154,325,000  
Disposals (1,730)    
Impairment of long -lived assets (21,997)    
Reversal of Accumulated depreciation from business combination of PELSA   2,493,000  
Ending Balance 5,628,605 3,216,787,000 2,036,644,000
Cost [member] | Work in progress [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 191,207,000 123,015,000  
Additions 1,172,098 1,034,608,000  
Incorporation through Business Combination 385,249,000    
Transfers (1,149,562) (966,416,000)  
Impairment of long -lived assets (2,182)    
Ending Balance 596,810 191,207,000 123,015,000
Cost [member] | Materials and spare parts [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance 89,085,000 44,955,000  
Additions 153,008 238,831,000  
Incorporation through Business Combination 55,546,000    
Transfers (161,215) (194,701,000)  
Impairment of long -lived assets (226)    
Ending Balance 136,198 89,085,000 44,955,000
Accumulated depreciation and impairment [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance (1,254,334,000) (831,660,000)  
Depreciation (718,657,000) (422,526,000)  
Disposals 130,000 339,000  
Impairment of long -lived assets 7,026,000    
Ending Balance (1,965,835,000) (1,254,334,000) (831,660,000)
Accumulated depreciation and impairment [member] | Land and buildings [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance (232,000) (232,000)  
Ending Balance (232,000) (232,000) (232,000)
Accumulated depreciation and impairment [member] | Vehicles machinery facilities computer hardware and furniture and fixtures [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance (21,463,000) (15,239,000)  
Depreciation (7,179,000) (6,563,000)  
Disposals 23,000 339,000  
Impairment of long -lived assets 421,000    
Ending Balance (28,198,000) (21,463,000) (15,239,000)
Accumulated depreciation and impairment [member] | Oil and gas properties [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance (101,791,000) (80,655,000)  
Depreciation (70,769,000) (21,044,000)  
Impairment of long -lived assets 1,341,000 (92,000)  
Ending Balance (171,219,000) (101,791,000) (80,655,000)
Accumulated depreciation and impairment [member] | Production wells and facilities [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Beginning Balance (1,130,848,000) (735,534,000)  
Depreciation (640,709,000) (394,919,000)  
Disposals 107,000    
Impairment of long -lived assets 5,264,000 (395,000)  
Ending Balance $ (1,766,186,000) $ (1,130,848,000) $ (735,534,000)