Balance Sheet Components - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Total property and equipment	$ 15,795	$ 7,362
Less: accumulated depreciation	(2,525)	(855)
Total property and equipment, net	13,270	6,507
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	321	3
Computers and Network Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	224	108
Lab Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	11,927	6,680
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	304	94
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 3,019	$ 477