Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Accrued employee compensation and benefits	$ 9,874	$ 6,063
Accrued external research and development expense	10,252	5,898
Accrued external manufacturing costs	3,302	3,741
Accrued professional and consulting services	2,258	1,778
Other	441	404
Total	$ 26,127	$ 17,884