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Other Financial Liabilities (debt) - Movement of the changes derived from the financing activities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Other Financial Liabilities debt [Line Items]      
Cash flows from (used in) financing activities $ 425,347 $ (54,807) $ (122,629)
Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 602,668 911,675  
Additions 4,099 3,328  
Payments (212,746) (314,376)  
Long term to short term transfers 0 0  
Others change in other financial liabilities 794 2,041  
Other financial liabilities 394,815 602,668 911,675
Leases, Current [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 10,223 8,855  
Additions 3,629 1,477  
Payments (12,746) (9,376)  
Long term to short term transfers 6,667 9,402  
Others change in other financial liabilities (156) (135)  
Other financial liabilities 7,617 10,223 8,855
Noncurrent, Leases [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 68,994 76,944  
Additions 470 1,851  
Payments   0  
Long term to short term transfers (6,667) (9,402)  
Others change in other financial liabilities (294) (399)  
Other financial liabilities 62,503 68,994 76,944
Senior unsecured credit facility [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 0 0  
Additions 0 0  
Payments   0  
Long term to short term transfers 325,000 0  
Others change in other financial liabilities 0 0  
Other financial liabilities 325,000 0 0
Senior unsecured credit facility Noncurrent [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 525,000 830,000  
Additions 0 0  
Payments (200,000) (305,000)  
Long term to short term transfers (325,000) 0  
Others change in other financial liabilities 0 0  
Other financial liabilities 0 525,000 830,000
Debt issuance cost [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 0 0  
Additions 0 0  
Payments 0 0  
Long term to short term transfers (1,025) 0  
Others change in other financial liabilities 720 0  
Other financial liabilities 305 0 0
Debt issuance cost Noncurrent [Member] | Sociedad Minera El Brocal S.A.A      
Disclosure Of Other Financial Liabilities debt [Line Items]      
Other financial liabilities 1,549 4,124  
Additions 0 0  
Payments   0  
Long term to short term transfers 1,025 0  
Others change in other financial liabilities 524 2,575  
Other financial liabilities $ 0 $ 1,549 $ 4,124