Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Accrued employee compensation and benefits	$ 5,676	$ 6,592
Accrued external research and development expenses	8,014	3,906
Accrued professional fees	1,088	571
Accrued deferred financing fees	65	591
Other	388	374
Total accrued expenses	$ 15,231	$ 12,034