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Inventories (Tables)
12 Months Ended
Dec. 31, 2022
Disclosure Of Inventories [Abstract]  
Disclosure of detailed information about inventories [Table Text Block]
    Dec. 31, 2022     Dec. 31, 2021  
Current            
Stockpile $ 26,235   $ 12,768  
Work in progress   3,092     5,647  
Finished goods   64,937     78,958  
Materials and supplies   60,748     61,080  
    155,012     158,453  
Non-current            
Stockpile   42,785     34,156  
Materials and supplies   7,940     3,417  
    50,725     37,573  
  $ 205,737   $ 196,026