Accrued Liabilities - Schedule of Accrued Compensation and Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accrued compensation:
Accrued bonuses	$ 6,264	$ 7,704
Accrued paid time off	2,537	3,151
Accrued payroll	1,996	3,021
Other accrued compensation	499	573
Total accrued compensation	11,296	14,449
Accrued expenses and other current liabilities:
Accrued research and development services	4,712	10,493
Accrued professional fees	1,948	993
Other accrued current liabilities	1,331	1,754
Total accrued expenses and other current liabilities	$ 7,991	$ 13,240