Common Stock - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	1 Months Ended	9 Months Ended
Apr. 30, 2021	Sep. 30, 2021
At-the-Market Offering \| 2021 Sales Agreement \| Cantor Fitzgerald & Co. and SVB Leerink LLC
Class Of Stock [Line Items]
Commission on sales of common stock, percentage	3.00%
Issuance of common stock (in shares)	2.2
Net proceeds from issuance of common stock	$ 33.9
Aggregate offering available for issuance of common stock	$ 40.0
Agreement maturity date	Apr. 07, 2024
At-the-Market Offering \| 2021 Sales Agreement \| Maximum \| Cantor Fitzgerald & Co. and SVB Leerink LLC
Class Of Stock [Line Items]
Aggregate offering price from offer and sale of common stock	$ 75.0
Restricted Stock Awards (RSAs)
Class Of Stock [Line Items]
Fair value of RSAs vested		$ 1.1

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