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IMPAIRMENT CHARGES - Schedule of Impaired Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | $ 114,599 | $ 361,612 | $ 0
Goodwill |  | 0 | 49,786 | 0
Operating Segments |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 114,599 | 355,959 |
Goodwill |  |  | 49,786 |
Operating Segments | Çöpler |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 114,230 | 353,322 | 0
Goodwill |  | 0 | 0 | 0
Operating Segments | Çöpler | Mineral properties, plant and equipment, net |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 38,200 | 349,200 |
Operating Segments | Çöpler | Inventories |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 76,000 |  |
Operating Segments | Çöpler | Capitalized cloud computing arrangement implementation costs | Other non-current assets |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  |  | 4,100 |
Operating Segments | Seabee |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 369 | 0 | 0
Goodwill | $ 49,800 | 0 | 49,786 | 0
Operating Segments | Seabee | Mineral properties, plant and equipment, net |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 400 |  |
Operating Segments | Puna |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 0 | 2,637 | 0
Goodwill |  | 0 | 0 | 0
Corporate and other |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  | 0 | 5,653 | 0
Goodwill |  | $ 0 | 0 | $ 0
Corporate and other | Capitalized cloud computing arrangement implementation costs | Other non-current assets |  |  |  |
Indefinite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment charges of long-lived and other assets |  |  | $ 5,700 |

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