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COMMITMENTS AND CONTINGENCIES - Flow-through Eligible Expenses (Details) - Timmins - USD ($) $ in Millions |  | 9 Months Ended
--- | --- | ---
Mar. 02, 2022 | Sep. 30, 2023
Flow through Eligible Expenses |  |
Other commitments |  |
Exploration expenditures |  | $ 12.8
Remaining CEE commitments |  | $ 2.3
Flow Through CEE |  |
Other commitments |  |
Gross proceeds | $ 15.1 |

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