Significant Accounting Policies - Additional Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Segment	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grant income		$ 2,959,000	$ 157,000	$ 3,934,000
Unbilled grant receivable					$ 1,227,000
Accrued liabilities	$ 16,553,000		$ 16,553,000		8,604,000
Number of operating segments | Segment			1
Accounting Standards Update [Extensible Enumeration]			us-gaap:AccountingStandardsUpdate201613Member
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2023		Jan. 01, 2023
Change in accounting principle, accounting standards update, adopted	true		true
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]	true		true
National Institutes of Health Grant
Basis Of Presentation And Significant Accounting Policies [Line Items]
Grants received			$ 1,400,000	4,600,000
Expenses incurred		1,300,000
Grant income	$ 0	$ 3,000,000	200,000	$ 3,900,000
Aggregate grant income	$ 15,200,000		15,200,000
Unbilled grant receivable					$ 1,200,000
Additional grant income			$ 0