Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Accrued Liabilities, Current [Abstract]
Research and development expenses	$ 8,021	$ 15,099
Payroll and payroll-related	4,574	11,227
Professional fees	2,271	3,854
Other	1,131	3,684
Accrued expenses	$ 15,997	$ 33,864