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Trade and Other Receivables (Schedule of Trade and Other Receivables) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of operating segments [line items]    
Trade receivables from concentrate sales $ 25,718 $ 26,309
Advances and other receivables 4,424 4,108
Value added taxes recoverable 46,345 13,432
Total accounts and other receivables 76,487 76,555
Gains from securities trades $ (23,238) (17,897)
Lindero Reporting Segment [member]    
Disclosure of operating segments [line items]    
Value added taxes recoverable   $ 32,706