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Subsidiaries with material non-controlling interest - Statements of financial position (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets $ 577,762 $ 620,380    
Non-current assets 3,956,037 3,882,847    
Current liabilities (441,605) (379,597)    
Non-current liabilities (922,983) (960,689)    
Total shareholders' equity, net 3,169,211 3,162,941 $ 2,538,531 $ 2,799,857
Shareholders of the parent 3,006,460 3,008,850    
Non-controlling interests 162,751 154,091 $ 170,205  
Sociedad Minera El Brocal S.A.A        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets 230,761 197,691    
Non-current assets 452,549 470,539    
Current liabilities (182,902) (167,718)    
Non-current liabilities (101,917) (123,280)    
Total shareholders' equity, net 398,491 377,232    
Shareholders of the parent 235,628 223,057    
Non-controlling interests 162,863 154,175    
Apu Coropuna S.R.L.        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets 355 471    
Non-current assets 6 0    
Current liabilities 0 (11)    
Non-current liabilities (735) (740)    
Total shareholders' equity, net (374) (280)    
Shareholders of the parent (262) (196)    
Non-controlling interests $ (112) $ (84)