XML 361 R20.htm IDEA: XBRL DOCUMENT v3.22.0.1
INVENTORIES
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
The components of Inventories were as follows (in thousands):
December 31,
20212020
Materials and supplies$79,372 
$
85,766 
Stockpiled ore 27,589 25,582 
Leach pad inventory243,627 282,793 
Work-in-process 4,951 4,368 
Finished goods33,877 38,525 
Total current inventories
$389,416 
$
437,034 
  
Stockpiled ore 220,324 133,500 
Materials and supplies1,293 1,700 
Total non-current inventories 
$221,617 
$
135,200 
As of December 31, 2021 and 2020, the Company has recognized a reserve of $8.1 million and $7.2 million for obsolete materials and supplies inventory, respectively.
During the year ended December 31, 2021, 2020 and 2019, the Company recognized write-downs of stockpiled ore inventories of $— million, $12.1 million, and $11.8 million respectively, classified as components of Production Costs and Depreciation, depletion and amortization.