Asset Acquisition, Net Smelter Return, Incremental Increase, Percentage

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Investment, Convertible, Conversion Ratio

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Percentage of ownership of equity interest excluding interest in entity that is consolidated and equity method investee.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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MARKETABLE SECURITIES - Narrative (Details) - USD ($) $ in Thousands	Mar. 27, 2026	Feb. 26, 2026	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale equity securities			$ 132,087	$ 120,814
Bear Creek \| Mercedes Mine
Debt Securities, Available-for-Sale [Line Items]
Net smelter return, unsecured percentage		2.00%
Bear Creek \| Corani Project
Debt Securities, Available-for-Sale [Line Items]
Proceeds from debt settlement		$ 6,200
Net smelter return, incremental percentage		1.75%
Net smelter return (NSR) percentage		2.75%
Bear Creek Convertible Debenture \| Convertible Debt \| Bear Creek
Debt Securities, Available-for-Sale [Line Items]
Settled debt obligations		$ 49,500
Entree Resources Ltd.
Debt Securities, Available-for-Sale [Line Items]
Investment owned, balance (in shares)			50,297,717
Equity ownership percentage			24.00%
Available-for-sale equity securities			$ 109,100	$ 76,700
Highlander Silver Corp
Debt Securities, Available-for-Sale [Line Items]
Conversion ratio		11.75%
Gain on sale of marketable securities	$ 9,900