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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Accrued Liabilities, Current [Abstract] |  |
Research and development expenses | $ 24,375 | $ 21,351
Payroll and payroll-related | 6,723 | 18,311
Professional fees | 3,588 | 2,065
Other | 409 | 547
Accrued expenses | $ 35,095 | $ 42,274

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