v3.26.1
Subsidiaries with material non-controlling interest (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Accumulated balances of material non-controlling interest:      
Non-controlling interests $ 205,575 $ 169,012 $ 162,751
Profit (loss) allocated to material non-controlling interest:      
Profit (loss), attributable to non-controlling interests 48,043 13,574 12,827
Sociedad Minera El Brocal S.A.A      
Accumulated balances of material non-controlling interest:      
Non-controlling interests 205,750 169,178  
Profit (loss) allocated to material non-controlling interest:      
Profit (loss), attributable to non-controlling interests 48,101 13,628 12,855
Apu Coropuna S.R.L.      
Accumulated balances of material non-controlling interest:      
Non-controlling interests (175) (166)  
Profit (loss) allocated to material non-controlling interest:      
Profit (loss), attributable to non-controlling interests $ (58) $ (54) $ (28)
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% 38.57%
Accumulated balances of material non-controlling interest:      
Non-controlling interests $ 205,750 $ 169,178 $ 162,863
Profit (loss) allocated to material non-controlling interest:      
Profit (loss), attributable to non-controlling interests $ 48,101 $ 13,628 $ 12,855
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% 30.00%
Accumulated balances of material non-controlling interest:      
Non-controlling interests $ (175) $ (166) $ (112)
Profit (loss) allocated to material non-controlling interest:      
Profit (loss), attributable to non-controlling interests $ (58) $ (54) $ (28)