Nature of the Business - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended						9 Months Ended
	Jul. 26, 2022	Aug. 03, 2020	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Aug. 04, 2020
Net proceeds from issuance initial public offering		$ 292,000
Net losses attributable to common stockholders			$ (42,072)	$ (44,639)	$ (43,863)	$ (45,510)	$ (37,588)	$ (30,923)	$ (130,574)	$ (114,021)
Accumulated deficit			(427,639)						(427,639)		$ (297,065)
Cash, cash equivalents and short-term investments			$ 264,100						$ 264,100
Convertible Preferred Stock
Preferred stock, shares outstanding												0
Common Stock
Common stock issued and sold			27,458,095
IPO
Common stock issued and sold		18,687,500
Public offering price per share		$ 17.00
Gross proceeds from issuance of common stock		$ 317,700
IPO | Common Stock
Stock issued upon conversion of preferred stock		39,859,139
Securities Purchase Agreement
Public offering price per share	$ 4.61
Share issued to investors	27,458,095
Net proceeds with certain investors	$ 126,400