Significant Accounting Policies - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2020 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Segment	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grant income		$ (1,259)	$ 2,589	$ 975	$ 4,420
Unbilled grant receivable						$ 2,336
Accrued liabilities		8,780		$ 8,780		8,437
Number of operating segments | Segment				1
National Institutes of Health Grant
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grants received		2,300		$ 4,600
Grant income		1,300	$ 2,600	1,000	$ 4,400
Unbilled grant receivable						$ 2,300
Accrued liabilities		$ 1,300		$ 1,300
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