Balance Sheet Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Total property and equipment	$ 67,617	$ 66,708
Less: accumulated depreciation and amortization	(24,340)	(15,676)
Total property and equipment, net	43,277	51,032
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	25,608	23,605
Laboratory Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	19,973	20,537
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	17,716	17,468
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	1,730	3,128
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Total property and equipment	1,614	1,060
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	$ 976	$ 910