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Other non-financial assets (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2017
Non-current          
Current income tax assets $ 1,909,000        
Assets for current income taxes 15,150,000 $ 28,046,000      
Sociedad Minera Cerro Verde S.A.A.          
Current          
Value added tax (VAT) credit 39,143,000 33,014,000      
Non-current          
Other receivables 274,029,000 333,338,000      
Uncertain tax position 18,252,000 16,635,000      
Other taxes to be recovered 1,981,000 1,928,000      
Total Non-Current 294,262,000 351,901,000      
Total other non-financial assets 333,405,000 384,915,000      
Current payables on social security and taxes other than income tax 8,400,000 0      
Protest disbursement under disputed tax 192,600,000 262,300,000      
Custom taxes 16,200,000 15,700,000      
Assets for current income taxes 56,800,000 55,300,000      
Income tax expense 18,300,000 $ 16,600,000 $ 16,600,000 $ 16,600,000 $ 16,600,000
El Brocal          
Non-current          
Payment for acquisition of subsidiary $ 34,000,000.0