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Inventories (Tables)
12 Months Ended
Dec. 31, 2023
Disclosure Of Inventories [Abstract]  
Disclosure of detailed information about inventories [Table Text Block]
    Dec. 31, 2023     Dec. 31, 2022  
Current            
Stockpile $ 52,454   $ 26,235  
Finished goods   61,266     68,029  
Materials and supplies   93,614     60,748  
    207,334     155,012  
Non-current            
Stockpile   9,591     42,785  
Low grade stockpile1   5,875     -  
Materials and supplies   8,984     7,940  
    24,450     50,725  
  $ 231,784   $ 205,737