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Inventory and Ore on Leach Pads
 6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
INVENTORY AND ORE ON LEACH PADS INVENTORY AND ORE ON LEACH PADS
    Inventory consists of the following:
In thousandsJune 30, 2021December 31, 2020
Inventory:
Concentrate$4,351 $2,909 
Precious metals13,198 14,788 
Supplies36,922 33,513 
54,471 51,210 
Ore on Leach Pads:
Current81,773 74,866 
Non-current73,487 81,963 
155,260 156,829 
Long-term Stockpile (included in Other)
$14,523 $5,664 
Total Inventory and Ore on Leach Pads$224,254 $213,703