Balance Sheet Details - Schedule 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	$ 1,184	$ 176
Less: accumulated depreciation	(66)	(21)
Property, Plant and Equipment, Net, Total	1,118	155
Laboratory Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	1,023	176
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Total property and equipment	19	0
Construction in Progress
Property Plant And Equipment [Line Items]
Total property and equipment	$ 142	$ 0

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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