Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment	$ 6,359	$ 1,582
Less: accumulated depreciation	(525)	(121)
Total property and equipment, net	5,834	1,461
Computers and Network Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	108	24
Lab Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	4,846	$ 1,558
Construction In Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 1,405