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INVENTORIES - Schedule of Inventory, Current (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Concentrates and work-in-progress	$ 35,807	$ 35,476
Inventory of ore in stockpiles	3,072	940
Raw materials and consumables	1,841	4,204
Total inventories	$ 40,720	$ 40,620

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Inventory of ore in stockpiles

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Topic 852
-SubTopic 10
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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