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ORGANIZATIONAL RESTRUCTURING (Details) $ in Millions | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 item | Feb. 23, 2024 employee
ORGANIZATIONAL RESTRUCTURING |  |  |  |  |
Number of units of underground mine equipment |  |  |  | 7 |
Number of mining units |  |  |  | 4 |
Number of employees | employee |  |  |  |  | 110
Percentage of workforce |  |  |  |  | 12.00%
Restructuring aggregate expenses | $ | $ 0.8 | $ 1.1 | $ 1.9 |  |
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  | Labor and Related Expense |  |

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