Property and Equipment, net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 10,212	$ 9,625
Less: Accumulated depreciation	(5,474)	(5,019)
Total property and equipment, net	4,738	4,606	[1]
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	22	22
Laboratory equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	8,539	7,947
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	1,618	1,618
Construction-in-progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 33	$ 38

[1] The condensed balance sheet as of December 31, 2021 has been derived from the audited financial statements as of that date.