Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accrued Liabilities, Current [Abstract]
Payroll and employee-related costs	$ 17,347	$ 19,241
Research costs	16,962	35,010
Collaboration costs	2,395	11,177
Licensing fees	3,143	983
Professional fees	2,515	4,927
Intellectual property costs	1,642	3,936
Accrued property and equipment	630	1,244
Other	701	1,164
Total	$ 45,335	$ 77,682