Significant Accounting Policies - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended
	Dec. 31, 2020 USD ($)	Mar. 31, 2022 USD ($) Segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grant income		$ 2,234	$ 1,831
Unbilled grant receivable		$ 2,234		$ 2,336
Number of operating segments | Segment		1
National Institutes of Health Grant
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grants received		$ 2,300
Grant income		2,200	$ 1,800
Unbilled grant receivable		$ 2,200		$ 2,300
National Institute on Aging of the National Institutes of Health
Basis Of Presentation And Significant Accounting Policies [Line Items]
Research grant awarded	$ 15,200
Grants received	7,800
Remaining grant to be received	$ 7,400