XML 118 R75.htm IDEA: XBRL DOCUMENT v3.21.1
INVENTORIES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of inventory [Line Items]    
Stockpiled ore $ 157,141 $ 16,559
Leach pad inventory 284,355 171,768
Work-in-process 4,368 1,596
Finished goods 38,661 14,141
Materials and supplies 87,466 35,354
Inventories 571,991 239,418
Stockpiled ore - non-current (132,912) 0
Materials and supplies - non-current (1,700) (1,848)
Current inventories 437,379 237,570
Inventory write-down 7,200 3,300
Inventory write-down, ore stockpiles 8,600 $ 3,600
Copler    
Disclosure of inventory [Line Items]    
Current ore stockpiled sulfide 12,500  
Non-current ore stockpiled sulfide $ 132,900