Other Financial Statement Information - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment	$ 11,515		$ 10,792
Less: accumulated depreciation and amortization	2,833		2,351
Property and equipment, net	8,682		8,441
Depreciation expense	500	$ 300
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property and equipment	8,774		8,075
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment	206		182
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	241		241
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,294		$ 2,294

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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