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INVESTMENTS - Narrative (Details) $ in Thousands, $ in Thousands | Apr. 01, 2025 AUD ($) | Apr. 01, 2025 USD ($) | Jun. 30, 2026 | Dec. 31, 2025 | Mar. 31, 2025
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Donald Project Joint Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method, ownership percentage |  |  | 12.70% | 9.50% |
Tate |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method, ownership percentage | 27.70% | 27.70% | 27.10% | 27.70% | 19.90%
Payments to acquire additional interest in equity method investments | $ 1,750 | $ 1,110 |  |  |

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