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INVENTORIES - Components of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Inventory [Line Items]
Work-in-process	$ 9,803	$ 7,549
Finished goods	24,977	35,459
Total current inventories	519,194	501,607
Total non-current inventories	229,733	218,999
Materials and supplies
Inventory [Line Items]
Raw materials	120,615	103,380
Total non-current inventories	1,892	1,845
Stockpiled ore
Inventory [Line Items]
Raw materials	41,557	54,504
Total non-current inventories	227,841	217,154
Leach pad inventory
Inventory [Line Items]
Raw materials	$ 322,242	$ 300,715

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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