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ACQUISITIONS AND DIVESTITURES - Assets Acquired and Liabilities Assumed (Details) - CC&V - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025 | Feb. 28, 2025
Assets: |  |  |
Trade and other receivables |  |  | $ 391
Inventories |  |  | 190,350
Prepaids and other current assets |  |  | 919
Mineral properties, plant and equipment |  |  | 325,357
Total assets |  |  | 517,017
Liabilities: |  |  |
Accounts payable |  |  | 13,177
Accrued and other liabilities |  |  | 15,442
Reclamation liabilities |  |  | 220,974
Deferred tax liabilities |  |  | 19,700
Total liabilities |  |  | 269,293
Total net assets |  |  | $ 247,724
Measurement period adjustments | $ (4,100) | $ 7,900 |

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- Definition Amount of prepaid expense and asset classified as other, acquired in business combination and recognized at acquisition date, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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