Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands		Jun. 30, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Clinical and development costs		$ 2,157	$ 6,717
Manufacturing and quality costs		2,707
Payroll and payroll-related costs		11,688	14,709
Collaboration payable - related party (Note 16)		31,372	34,770
Facility and other		7,954	3,644
Total accrued expenses and other current liabilities	[1]	$ 55,878	$ 59,840

[1] Includes related party amounts of $31,372 and $34,770 at June 30, 2023 and December 31, 2022, respectively (see Note 16)