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Subsidiaries with material non-controlling interest (Details) - USD ($)
$ in Thousands
 12 Months Ended 24 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Accumulated balances of material non-controlling interest:        
Non-controlling interests $ 154,091 $ 170,205 $ 172,397 $ 170,205
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests 385 1,271 (14,621)  
Sociedad Minera El Brocal S.A.A        
Accumulated balances of material non-controlling interest:        
Non-controlling interests 154,175 148,792   148,792
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests 239 4,322 (12,895)  
Minera La Zanja S.R.L        
Accumulated balances of material non-controlling interest:        
Non-controlling interests   20,064   20,064
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests (516) (7,385) (6,905)  
S.M.R.L. Chaupiloma Dos de Cajamarca        
Accumulated balances of material non-controlling interest:        
Non-controlling interests   1,284   1,284
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests (811) 4,396 5,201  
Apu Coropuna S.R.L.        
Accumulated balances of material non-controlling interest:        
Non-controlling interests (84) 65   $ 65
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests $ (149) (62) (22)  
Country of domicile | Sociedad Minera El Brocal S.A.A        
Equity interest held by non-controlling interests:        
Proportion of ownership interests held by non-controlling interests 38.57%     38.57%
Accumulated balances of material non-controlling interest:        
Non-controlling interests $ 154,175 148,792 144,501 $ 148,792
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests $ 239 4,322 (12,895)  
Country of domicile | Minera La Zanja S.R.L        
Equity interest held by non-controlling interests:        
Proportion of ownership interests held by non-controlling interests 0.00%     46.94%
Accumulated balances of material non-controlling interest:        
Non-controlling interests $ 0 20,064 26,121 $ 20,064
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests $ (516) (7,385) (6,905)  
Country of domicile | S.M.R.L. Chaupiloma Dos de Cajamarca        
Equity interest held by non-controlling interests:        
Proportion of ownership interests held by non-controlling interests 0.00%     40.00%
Accumulated balances of material non-controlling interest:        
Non-controlling interests $ 0 1,284 1,648 $ 1,284
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests $ 811 4,396 5,201  
Country of domicile | Apu Coropuna S.R.L.        
Equity interest held by non-controlling interests:        
Proportion of ownership interests held by non-controlling interests 30.00%     30.00%
Accumulated balances of material non-controlling interest:        
Non-controlling interests $ (84) 65 127 $ 65
Profit (loss) allocated to material non-controlling interest:        
Profit (loss), attributable to non-controlling interests $ (149) $ (62) $ (22)