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Other Financial Liabilities (debt) - Lease liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Other Financial Liabilities debt [Line Items]      
Balance at beginning of the year $ 5,779    
Additions 11,712 $ 2,973 $ 5,213
Balance at end of the year 12,953 5,779  
Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Balance at beginning of the year 70,120 79,217  
Additions 4,957 4,099  
Accrued interest 3,912 4,371  
Payments (12,327) (12,746)  
Interest payments (3,912) (4,371)  
Exchange rate effect 375 (450)  
Balance at end of the year 63,125 70,120 $ 79,217
Expenses related to variable lease payments, low-value and short-term leases 13,431 7,973  
Depreciation charge of right-of-use assets (see Note 7(b) and 15) 12,708 12,459  
Amounts recognized in profit or loss $ 30,051 $ 24,803