Inventory and Ore on Leach Pads (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Inventory [Line Items]
Inventory, Finished Goods, Net of Reserves	$ 3,507	$ 2,663
Stockpile ore	85,450	6,773
Other Inventory, Net of Reserves	15,164	16,034
Inventory, Supplies, Net of Reserves	59,209	53,147
Inventory	163,330	78,617
Ore on Leach Pad, Current	157,461	92,724
Ore on leach pads, noncurrent	119,446	106,670
Inventory, Ore Stockpiles on Leach Pads, Gross	276,907	199,394
Long-Term Inventory Stockpile	42,076	41,718
Inventory and Ore on Leach Pads	482,313	319,729
Las Chispas
Inventory [Line Items]
Stockpile ore	73,600
Kensington
Inventory [Line Items]
Stockpile ore	8,400	3,100
Palmarejo
Inventory [Line Items]
Stockpile ore	2,300	3,200
Wharf
Inventory [Line Items]
Stockpile ore	$ 1,100	$ 500

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Inventory and Ore on Leach Pads.

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Value of inventory stockpile classified as long-term.

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Ore on leach pad current.

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Ore on leach pad non current.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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Amount before last-in first-out (LIFO) and valuation reserves of ore stockpile material contained on a leach pad, for example, but not limited to, copper or gold ore.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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

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