Share-Based Compensation - Summary of Share-Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	$ 2,113	$ 1,857	$ 4,136	$ 4,027
Research and development [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	729	589	1,419	1,387
General and Administrative Expenses [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation	$ 1,384	$ 1,268	$ 2,717	$ 2,640