Accounts Payable and Accrued Expenses - Schedule of Accounts Payable and Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts Payable and Accrued Expenses
Accounts payable	$ 11,583	$ 9,604
Accrued research projects	4,343	5,200
Accrued compensation and benefits	6,519	5,219
Accrued professional fees and other	3,147	1,517
Total	$ 25,592	$ 21,540