Stockholders' Equity - Additional Information (Details)	1 Months Ended	12 Months Ended
	Apr. 30, 2018 USD ($) shares	Jan. 31, 2021 USD ($) class $ / shares shares	Feb. 02, 2020 USD ($) $ / shares shares	Feb. 28, 2021 USD ($)	Aug. 31, 2019 USD ($)	Apr. 04, 2018 $ / shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)		20,000,000	20,000,000
Preferred stock, shares issued (in shares)		0	0
Preferred stock, shares outstanding (in shares)		0	0
Number of classes of stock | class		2
Common stock, shares authorized (in shares)		2,250,000,000	2,250,000,000
Class A common stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		2,000,000,000	2,000,000,000
Common stock, par value per share (in dollars per share) | $ / shares		$ 0.0001	$ 0.0001
Common stock, shares issued (in shares)		278,362,598	264,008,000
Common stock, shares outstanding (in shares)		278,362,598	264,008,000
Value approved for repurchase | $					$ 150,000,000.0
Stock repurchased and retired (in shares)	1,008,573	9,526,556	867,657
Stock repurchased and retired, average cost (in dollars per share) | $ / shares		$ 14.17	$ 17.29
Stock repurchased and retired, value | $	$ 20,000,000.0	$ 135,000,000.0	$ 15,000,000.0
Closing price of stock (in dollars per share) | $ / shares		$ 23.13				$ 19.83
Class A common stock | Subsequent Event
Class of Stock [Line Items]
Value approved for repurchase | $				$ 200,000,000.0
Class B common stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)		250,000,000	250,000,000
Common stock, par value per share (in dollars per share) | $ / shares		$ 0.0001	$ 0.0001