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Financial expenses and income - Financial expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Finance Expense [Line Items]      
Interest on revolving credit facility $ 0 $ 26 $ 43
Sociedad Minera Cerro Verde S.A.A.      
Finance Expense [Line Items]      
Interests on income tax payments on account 73,363 0 0
Interest on advance payments of customers 3,901 2,377 708
Interest on leases 3,685 3,912 4,371
Interest on revolving credit facility 1,863 1,880 0
Amortization debt issuance cost 696 675 955
Interest on senior unsecured credit facility 0 3,196 10,127
Other financial expenses 50 54 364
Interest on excess of salary limit in workers profit sharing 0 1,527 1,638
Change in estimates of uncertain positions (433) (4,921) (1,107)
Capitalized interest associated to capital projects (3,584) (3,084) (1,997)
Interest on disputed mining royalties 0 0 15,334
Change in estimates related to excess of salaries limit of worker profit sharing (12,423) 0 0
Financial expenses $ 67,118 $ 5,616 $ 30,393