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Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Payables and Accruals [Abstract]    
Accrued employee compensation and benefits $ 7,417 $ 8,195
Accrued external research and development expenses 3,055 2,804
Accrued professional fees 2,374 1,195
Other 627 622
Total accrued expenses $ 13,473 $ 12,816