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MOUNT MILLIGAN DEFERRED LIABILITY (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($) | Feb. 13, 2024 USD ($) oz
--- | --- | --- | ---
Deposit Liability [Line Items] |  |  |
Value of cash consideration | $ 25,000 | $ 25,000 |
Mount Milligan |  |  |
Deposit Liability [Line Items] |  |  |
Value of cash consideration |  |  | $ 24,500
Value of consideration, nonmonetary amount, gold | oz |  |  | 50,000

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