Nature of the Business - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Aug. 03, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Aug. 04, 2020
Net proceeds from issuance initial public offering	$ 292,000
Net losses attributable to common stockholders		$ (30,923)	$ (9,339)
Accumulated deficit		(156,026)		$ (125,103)
Cash and cash equivalents		168,645	168,600	122,661
Short-term investments		$ 168,347	$ 168,300	$ 233,663
Convertible Preferred Stock
Preferred stock, shares outstanding					0
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
Stock issued upon conversion of preferred stock	39,859,139
IPO | Common Stock
Stock issued upon conversion of preferred stock	39,859,139