Leases - Summary of Components of Operating Lease Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Lessee Lease Description [Line Items]
Total operating lease expense	$ 1,626	$ 1,711
Research and Development Expense [Member]
Lessee Lease Description [Line Items]
Fixed operating lease expense	1,048	824
Variable operating lease expense	12	56
General and Administrative Expense [Member]
Lessee Lease Description [Line Items]
Fixed operating lease expense	559	772
Variable operating lease expense	$ 7	$ 59