Organization and Nature of the Business - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended	9 Months Ended
	Aug. 31, 2022	Mar. 12, 2021	Nov. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Aggregate gross proceeds				$ 0	$ 43,360
Accumulated deficit				(351,283)		$ (238,114)
Adicet Therapeutics [Member]
Schedule Of Equity Method Investments [Line Items]
Accumulated deficit				$ 351,300
2021 Sales Agreement
Schedule Of Equity Method Investments [Line Items]
Aggregate number of shares sold	2,611,723
Sale of Stock, Price Per Share	$ 17.23
Sales agent commissions and expenses	$ 43,400
Common Stock not sold			$ 30,000
Additional Common Stock not sold			70,000
Aggregate gross proceeds			$ 100,000
Maximum | 2021 Sales Agreement
Schedule Of Equity Method Investments [Line Items]
Aggregate gross proceeds		$ 75,000