Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Accumulated depreciation	$ (5,669)	$ (4,914)
Property and equipment, net	17,494	17,512
Building and land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,297	12,297
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	780	780
Office and lab equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7,349	5,501
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,202	1,202
Depreciable Property, Plant and Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	21,628	19,780
Property and equipment, net	15,959	14,866
Equipment not yet in service
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,535	$ 2,646