Property and equipment, net - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Total property and equipment	$ 9,557	$ 4,782
Less accumulated depreciation	(2,333)	(798)
Property and equipment, net	7,224	3,984
Lab equipment
Property Plant And Equipment [Line Items]
Total property and equipment	8,567	3,937
Leasehold Improvements
Property Plant And Equipment [Line Items]
Total property and equipment	266	259
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Total property and equipment	566	481
Computer Equipment
Property Plant And Equipment [Line Items]
Total property and equipment	$ 158	$ 105