Convertible Preferred Stock - Additional Information (Details) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Oct. 10, 2019 shares	Jan. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($) shares	Oct. 11, 2019 shares	Dec. 31, 2018 shares
Temporary Equity [Line Items]
Net proceeds from sale of convertible preferred stock | $					$ 317,335
Number of class of stock			2
Common Stock
Temporary Equity [Line Items]
Conversion of convertible preferred stock into common stock (in shares)					88,112,733
IPO
Temporary Equity [Line Items]
Convertible preferred stock, shares outstanding	88,112,733					0
Series B Convertible Preferred Stock
Temporary Equity [Line Items]
Convertible preferred stock, shares sold		18,202,213			18,202,213
Convertible preferred stock, shares sold, price per share | $ / shares		$ 18.00
Net proceeds from sale of convertible preferred stock | $		$ 327,500
Convertible preferred stock, additional shares authorized		4,020,009
Convertible Preferred Stock
Temporary Equity [Line Items]
Convertible preferred stock, shares outstanding							69,910,520
Convertible Preferred Stock | IPO | Common Stock
Temporary Equity [Line Items]
Conversion of convertible preferred stock into common stock (in shares)	88,112,733