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Subsidiaries with material non-controlling interest - Statements of financial position (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets $ 620,380 $ 739,545    
Non-current assets 3,882,847 3,822,266    
Current liabilities (379,597) (844,937)    
Non-current liabilities (960,689) (1,178,343)    
Total shareholders' equity, net 3,162,941 2,538,531 $ 2,799,857 $ 2,968,200
Shareholders of the parent 3,008,850 2,368,326    
Non-controlling interests 154,091 170,205 $ 172,397  
Sociedad Minera El Brocal S.A.A        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets 197,691 190,658    
Non-current assets 470,539 504,173    
Current liabilities (167,718) (158,745)    
Non-current liabilities (123,280) (168,774)    
Total shareholders' equity, net 377,232 367,312    
Shareholders of the parent 223,057 218,520    
Non-controlling interests 154,175 148,792    
Minera La Zanja S.R.L        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets   84,953    
Non-current assets   41,490    
Current liabilities   (25,381)    
Non-current liabilities   (61,150)    
Total shareholders' equity, net   39,912    
Shareholders of the parent   19,848    
Non-controlling interests   20,064    
S.M.R.L. Chaupiloma Dos de Cajamarca        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets   4,604    
Non-current assets   323    
Current liabilities   (1,718)    
Non-current liabilities   0    
Total shareholders' equity, net   3,209    
Shareholders of the parent   1,925    
Non-controlling interests   1,284    
Apu Coropuna S.R.L.        
Disclosure Of Subsidiaries with material non-controlling interest [Line Items]        
Current assets 471 556    
Non-current assets 0 400    
Current liabilities (11) 0    
Non-current liabilities (740) (740)    
Total shareholders' equity, net (280) 216    
Shareholders of the parent (196) 151    
Non-controlling interests $ (84) $ 65