INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure of inventories [Abstract]

Schedule of inventory

	December 31, 2020		December 31, 2019
Stockpiled ore (1)	$	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
	571,991		239,418
Stockpiled ore - non-current	(132,912)		—
Materials and supplies - non-current	(1,700)		(1,848)
	$	437,379	$	237,570

(1) At December 31, 2020, stockpiled ore includes $12.5 million and $132.9 million of current and non-current stockpiled sulfide ore, respectively, related to Çöpler (December 31, 2019 - Nil current and non-current stockpiled sulfide ore related to Çöpler).