v3.26.1
Subsidiaries with material non-controlling interest - Statements of financial position (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of subsidiaries [line items]        
Current assets $ 1,156,516 $ 838,362    
Non-current assets 4,866,320 4,209,541    
Current liabilities (575,990) (479,738)    
Non-current liabilities (1,179,381) (1,008,464)    
Total shareholders' equity, net 4,267,465 3,559,701 $ 3,169,211 $ 3,162,941
Shareholders of the Group 4,061,890 3,390,689    
Non-controlling interests 205,575 169,012 $ 162,751  
Sociedad Minera El Brocal S.A.A        
Disclosure of subsidiaries [line items]        
Current assets 334,077 213,843    
Non-current assets 484,761 467,333    
Current liabilities (154,503) (117,158)    
Non-current liabilities (151,707) (148,006)    
Total shareholders' equity, net 512,628 416,012    
Shareholders of the Group 306,878 246,834    
Non-controlling interests 205,750 169,178    
Apu Coropuna S.R.L.        
Disclosure of subsidiaries [line items]        
Current assets 204 178    
Non-current assets 1 10    
Current liabilities (47) 0    
Non-current liabilities (740) (740)    
Total shareholders' equity, net (582) (552)    
Shareholders of the Group (407) (386)    
Non-controlling interests $ (175) $ (166)