v3.26.1
Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Payables and Accruals [Abstract]    
Accrued external research and development $ 18,568 $ 8,589
Accrued compensation 5,614 9,517
Accrued payroll tax withholding on stock option exercises 1,190 0
Accrued professional fees 171 215
Other accrued expenses 558 1,131
Accrued expenses $ 26,101 $ 19,452