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Financial expenses and income - Financial expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Finance Expense [Line Items]      
Interest on revolving credit facility $ 26 $ 43 $ 55
Sociedad Minera Cerro Verde S.A.A.      
Finance Expense [Line Items]      
Interest for leases 3,912 4,371 4,875
Interest on senior unsecured credit facility 3,196 10,127 22,351
Interest on advance payments of customers 2,377 708 751
Interest on revolving credit facility 1,880 0 0
Interest on excess of salary limit in workers profit sharing 1,527 1,638 16,591
Amortization debt issuance cost 675 955 1,673
Extinguishment of debt - debt issuance cost 34 289 902
Other financial expenses 20 75 140
Capitalized Interest associated to capital projects (3,084) (1,997) (2,544)
Interest on disputed mining royalties 0 15,334 43,838
Tax contingencies 0 0 54,098
Financial expenses $ 10,537 $ 31,500 $ 142,675