Common Stock and Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2023	Feb. 28, 2023	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Class of Stock
Common stock, shares, authorized (in shares)	150,000,000		150,000,000	150,000,000	150,000,000
Common stock, par value per share (in dollars per share)	$ 0.0001		$ 0.0001	$ 0.0001	$ 0.0001
Shares of common stock reserved for issuance (in shares)	9,310,868		9,310,868	9,310,868	8,032,687
Preferred stock, shares authorized (in shares)	10,000,000		10,000,000	10,000,000	10,000,000
Preferred stock, par or stated value per share (in dollars per share)	$ 0.0001		$ 0.0001	$ 0.0001	$ 0.0001
Preferred stock shares issued (in shares)	0		0	0	0
Preferred stock shares outstanding (in shares)	0		0	0	0
Vertex Agreement
Class of Stock
Number of shares purchases in equity investment (in shares)		1,618,613
Net proceeds from issuance of common stock		$ 26.3
Offering price per share (usd per share)		$ 16.26
Sales Agreement
Class of Stock
Number of shares purchases in equity investment (in shares)			0	0
Sales Agreement | Maximum
Class of Stock
Net proceeds from issuance of common stock	$ 150.0
2021 Plan
Class of Stock
Shares of common stock reserved for issuance (in shares)	1,707,730		1,707,730	1,707,730	1,976,758
Exercise of outstanding stock options
Class of Stock
Shares of common stock reserved for issuance (in shares)	5,562,547		5,562,547	5,562,547	5,028,850
Restricted Stock
Class of Stock
Shares of common stock reserved for issuance (in shares)	1,179,305		1,179,305	1,179,305	463,964
Future awards under the 2021 Employee Stock Purchase Plan
Class of Stock
Shares of common stock reserved for issuance (in shares)	861,286		861,286	861,286	563,115