Organization and Nature of the Business - Additional Information (Details) $ / shares in Units, $ in Thousands				1 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares	Sep. 15, 2020	Sep. 15, 2020	Feb. 28, 2021 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) shares
Schedule Of Equity Method Investments [Line Items]
Entity incorporation date					Nov. 30, 2014
Entity date of merger					Apr. 28, 2020
Equity method investment, Ownership percentage	25.00%				25.00%
Reverse stock split		1-for-7	1-for-7
Exchange ratio		0.1240
Common stock, shares outstanding | shares	39,736,914				39,736,914	19,677,249
Accumulated deficit | $	$ 168,324				$ 168,324	$ 106,325
Payments for repurchase of common stock | $				$ 15,000
Common stock, shares repurchased under stock purchase agreement | shares				1,153,840
Adicet Therapeutics [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method investment, Ownership percentage	75.00%				75.00%
Common stock, shares outstanding | shares	19,589,828				19,589,828
Accumulated deficit | $	$ 168,300				$ 168,300
Initial Public Offering
Schedule Of Equity Method Investments [Line Items]
Number of common stock shares sold | shares	7,187,500			10,575,513
Payments for repurchase of common stock | $				$ 15,000
Common stock, shares repurchased under stock purchase agreement | shares				1,153,840
Issuance price per shares | $ / shares	$ 14.00			$ 13.00	$ 14.00
Underwriting discounts and commissions and other offering expenses | $	$ 94,200			$ 128,800