Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Lesser of useful life or lease term	Leasehold Improvements
Total property and equipment	$ 42,141	$ 41,624
Less: Accumulated depreciation and amortization	(18,100)	(14,847)
Property and equipment, net	24,041	26,777
Laboratory Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	$ 13,597	13,165
Useful life (in years)	3 years
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	$ 26,643	26,643
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	$ 951	951
Useful life (in years)	3 years
Construction In Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 350	265
Useful life (in years)
Computer Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	$ 189	189
Useful life (in years)	3 years
Software
Property Plant And Equipment [Line Items]
Total property and equipment	$ 411	$ 411
Useful life (in years)	3 years