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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Related Party Transaction [Line Items] |  |
Accrued research and development expenses | $ 13,516 | $ 13,085
Accrued manufacturing expenses | 12,615 | 0
Accrued bonus and payroll related expenses | 1,913 | 5,041
Accrued professional fees | 1,666 | 591
Accrued other | 238 | 181
Nonrelated Party |  |
Related Party Transaction [Line Items] |  |
Total | $ 29,948 | $ 18,898

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