INCOME AND MINING TAXES - Components of net deferred income tax assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| INCOME AND MINING TAXES | ||
| Total deferred income tax assets | $ 17,821 | $ 29,198 |
| Mining properties | ||
| INCOME AND MINING TAXES | ||
| Total deferred income tax assets | 8,001 | 12,023 |
| Mining taxes | ||
| INCOME AND MINING TAXES | ||
| Total deferred income tax assets | 6,416 | 5,086 |
| Reclamation provisions and other liabilities | ||
| INCOME AND MINING TAXES | ||
| Total deferred income tax assets | $ 3,404 | $ 12,089 |