INVENTORIES - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Inventory write-down | $ 24.8 | $ 19.2 |
| Inventory write-down heap leach ore | 40.2 | |
| Write-downs (reversals of write-downs) of inventories | (15.4) | |
| Los Filos | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Inventories, Heap Leach Ore, reclassified to non-current assets | 98.7 | |
| Castle Mountain | ||
| Disclosure of detailed information about property, plant and equipment [line items] | ||
| Inventories, Heap Leach Ore, reclassified to non-current assets | $ 103.1 | |