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INVENTORIES - Schedule of Inventory, Current (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Inventory [Line Items] |  |
Concentrates and work-in-progress | $ 32,978 | $ 35,476
Inventory of ore in stockpiles | 256 | 940
Consumables | 1,871 | 4,204
Total inventories | 35,105 | 40,620
Current | 32,978 | 38,155
Long term | $ 2,127 | $ 2,465

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