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INVENTORIES | 12 Months Ended
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Dec. 31, 2020
Disclosure of inventories [Abstract] |
INVENTORIES | INVENTORIES
| 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). As at December 31, 2020, the Company has recognized a provision of $7.2 million (2019 - $3.3 million) for obsolete materials and supplies inventory. During the year ended December 31, 2020, the Company recognized $8.6 million (2019 - $3.6 million) in write-downs of stockpiled ore inventories to NRV as an expense, included in cost of sales, in the consolidated statements of income.

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