v3.26.1
Property, plant, equipment and development costs - Net assets for right in use (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Property, plant, equipment and development costs      
Impairment loss $ 0    
Book value of assets held under finance leases 240,300 $ 240,300  
Acquisitions of assets under lease agreements 0 0  
Capitalized finance costs 0 0 $ 0
Right-of-use assets 6,829 6,572  
Additions to right-of-use assets 2,400 1,900  
Disposal of right of use assets 0 0  
San Gabriel      
Property, plant, equipment and development costs      
Additions on acquisitions 408,700 224,000  
Yumpag      
Property, plant, equipment and development costs      
Additions on acquisitions 13,000 64,000  
Buildings and other constructions      
Property, plant, equipment and development costs      
Right-of-use assets 4,486 5,150  
Transportation units      
Property, plant, equipment and development costs      
Right-of-use assets 1,191 1,340  
Machinery and equipment [Member]      
Property, plant, equipment and development costs      
Right-of-use assets $ 1,152 $ 82