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IMPAIRMENT CHARGES - Narrative (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | $ 114,599,000 | $ 361,612,000 | $ 0
Impairment charges |  | $ 0 | 49,786,000 | 0
Measurement Input, Short-Term Gold Price |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment, measurement input |  | 1,945 |  |
Measurement Input, Gold Price Period |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment, measurement input period (in years) |  | 5 years |  |
Measurement Input, Long-Term Gold Price |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment, measurement input |  | 1,740 |  |
Discount rate | Minimum |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment, measurement input |  | 0.050 |  |
Discount rate | Maximum |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment, measurement input |  | 0.060 |  |
Operating Segments |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | $ 114,599,000 | 355,959,000 |
Impairment charges |  |  | 49,786,000 |
Operating Segments | Çöpler |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 114,230,000 | 353,322,000 | 0
Impairment charges |  | 0 | 0 | 0
Operating Segments | Çöpler | Inventories |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 76,000,000 |  |
Operating Segments | Çöpler | Mineral properties, plant and equipment, net |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 38,200,000 | 349,200,000 |
Operating Segments | Seabee |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 369,000 | 0 | 0
Impairment charges | $ 49,800,000 | 0 | $ 49,786,000 | $ 0
Operating Segments | Seabee | Mineral properties, plant and equipment, net |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | $ 400,000 |  |

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