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Sales (Schedule of Sales by Product and Geographical Area) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of geographical areas [line items]    
Sales to external customers $ 599,853 $ 278,966
Silver Gold Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 219,663 188,327
Silver Lead Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 59,755 43,055
Zinc Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 42,990 23,980
Gold Dore    
Disclosure of geographical areas [line items]    
Sales to external customers 280,255 20,297
Provisional pricing adjustments    
Disclosure of geographical areas [line items]    
Sales to external customers (2,810) 3,307
PERU    
Disclosure of geographical areas [line items]    
Sales to external customers 103,544 67,643
PERU | Silver Lead Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 59,755 43,055
PERU | Zinc Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 42,990 23,980
PERU | Provisional pricing adjustments    
Disclosure of geographical areas [line items]    
Sales to external customers 799  
Provisional pricing adjustment   608
MEXICO    
Disclosure of geographical areas [line items]    
Sales to external customers 216,054 191,026
MEXICO | Silver Gold Concentrates [member]    
Disclosure of geographical areas [line items]    
Sales to external customers 219,663 188,327
MEXICO | Provisional pricing adjustments    
Disclosure of geographical areas [line items]    
Sales to external customers (3,609) 2,699
ARGENTINA    
Disclosure of geographical areas [line items]    
Sales to external customers 178,999 20,297
ARGENTINA | Gold Dore    
Disclosure of geographical areas [line items]    
Sales to external customers 178,999 $ 20,297
BURKINA FASO    
Disclosure of geographical areas [line items]    
Sales to external customers 101,256  
BURKINA FASO | Gold Dore    
Disclosure of geographical areas [line items]    
Sales to external customers $ 101,256