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Income Taxes - Schedule of Reconciliation of Income Tax Expense Computed Statutory Federal Income Tax and Financial Statements (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2023 | Sep. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |
Federal income tax benefit at statutory rate |  |  |  |  |  | $ (27,495) | $ (25,871)
Stock compensation |  |  |  |  |  | 3,189 | 6,001
Non-deductible expenses |  |  |  |  |  | 41 | 21
Research and development tax credits |  |  |  |  |  | (5,642) | (1,810)
Change in valuation allowance |  |  |  |  |  | 23,801 | 19,558
Foreign rate differential |  |  |  |  |  | (14) | (14)
Impact of internal reorganization |  |  |  |  |  | 0 | 1,323
Uncertain tax positions |  |  |  |  |  | 6,100 | (1,078)
Other |  |  |  |  |  | 20 | 792
Total income tax (benefit) provision | $ 17 | $ 21 | $ 17 | $ 38 | $ 55 | $ 0 | $ (1,078)

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