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WARRANTS - Summary of Warrant (Benefit)/Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | $ (61,742) | $ 71,610 | $ (33,824)
RTI Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | (1,291) | 8,672 | (2,233)
Private Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | (161) | 178 | (519)
Series A Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | (47,121) | 41,294 | (31,072)
Series B Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | (4,719) | 13,666 | 0
Series C Warrants |  |  |
Class of Warrant or Right [Line Items] |  |  |
Change in fair value of warrants | $ (8,450) | $ 7,800 | $ 0

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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