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Other Financial Liabilities (debt) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Current debt:      
Lease liabilities $ 3,639 $ 4,098  
Total current debt 35,071 179,417  
Non-current debt:      
Lease liabilities 9,314 1,681  
Less : Debt issuance costs (8,180) (4,201)  
Total non-current financial liabilities 703,463 878,558  
Sociedad Minera El Brocal S.A.A      
Current debt:      
Lease liabilities 7,028 7,617  
Senior unsecured credit facility 0 324,695  
Total current debt 7,028 332,312  
Non-current debt:      
Lease liabilities 56,097 62,503  
Total other financial liabilities $ 63,125 $ 394,815 $ 602,668