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Inventory and Ore on Leach Pads
 12 Months Ended
Dec. 31, 2020
Inventory Disclosure [Abstract]  
INVENTORY AND ORE ON LEACH PADS INVENTORY AND ORE ON LEACH PADS
    Inventory consists of the following:
In thousandsDecember 31, 2020December 31, 2019
Inventory:
Concentrate$2,909 $6,557 
Precious metals14,788 14,040 
Supplies33,513 35,289 
51,210 55,886 
Ore on Leach Pads:
Current74,866 66,192 
Non-current81,963 71,539 
156,829 137,731 
Long-term Stockpile (included in Other)
$5,664 $— 
Total Inventory and Ore on Leach Pads$213,703 $193,617 
Prior to the temporary suspension of mining activities at Silvertip, as a result of lower than expected production levels, grades and recovery rates as well as reduced process plant availability, Silvertip recognized inventory write-downs of $10.4 million, which are reflected in Costs applicable to sales for the year ended December 31, 2020. Subsequent to the suspension of mining activities, Silvertip has recognized additional supply inventory write-downs of $3.3 million, which are reflected in