Preferred Stock and Common Stock - Additional Information (Detail) $ / shares in Units, $ in Millions			1 Months Ended			5 Months Ended	12 Months Ended
	Mar. 31, 2021 shares	Feb. 28, 2021	Aug. 31, 2023 USD ($) shares	Apr. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 shares	Dec. 31, 2023 USD ($) vote $ / shares shares	Dec. 31, 2023 USD ($) vote $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Mar. 19, 2021 $ / shares	Mar. 18, 2021 $ / shares
Class of Stock [Line Items]
Convertible preferred stock, authorized (in shares)										246,430,170
Convertible preferred stock, outstanding (in shares)										237,047,550
Common stock, authorized (in shares)						13,850,000,000	13,850,000,000	13,850,000,000
Common stock, par value (in dollars per share) | $ / shares						$ 0.00001	$ 0.00001	$ 0.00001			$ 0.00001	$ 0.0001
Strategic transaction, consideration received | $			$ 32.3
Strategic transaction, consideration received			9,000,000
Strategic transaction, contingent consideration, range of outcomes, high | $			$ 5.5
Strategic transaction, contingent consideration liability | $						$ 2.9
Class B common stock
Class of Stock [Line Items]
Common stock, authorized (in shares)						1,250,000,000	1,250,000,000	1,250,000,000
Voting rights, number of votes for each share | vote						0	0
Common stock conversion ratio						1	1
Class B common stock | Restated Certificate Of Incorporation
Class of Stock [Line Items]
Common stock, authorized (in shares)				1,250,000,000
Class A common stock
Class of Stock [Line Items]
Common stock issued after conversion of convertible preferred stock (in shares)				223,000,000
Common stock, authorized (in shares)						12,500,000,000	12,500,000,000	12,500,000,000
Treasury stock, shares (in shares)									2,300,000
Voting rights, number of votes for each share | vote						1	1
Common stock conversion ratio						1	1
Class A common stock | Restated Certificate Of Incorporation
Class of Stock [Line Items]
Common stock, authorized (in shares)				12,500,000,000
Undesignated Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				25,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.00001
Preferred stock, shares issued (in shares)						0	0	0
Preferred stock, shares outstanding (in shares)						0	0	0
Convertible Preferred Stock
Class of Stock [Line Items]
Convertible preferred stock, outstanding (in shares)						0	0	0
Convertible Preferred Stock | Additional Paid-in Capital
Class of Stock [Line Items]
Reclassifications of convertible preferred stock | $				$ 1,400.0
Series G
Class of Stock [Line Items]
Convertible preferred stock, authorized (in shares)										22,371,620
Issuance of Series G convertible preferred stock, net of issuance costs (in shares)										100,000
Temporary Equity, Stock Issued During Period, Value, New Issues | $										$ 1.0
Convertible preferred stock, outstanding (in shares)										22,371,620
Series D
Class of Stock [Line Items]
Convertible preferred stock, authorized (in shares)										25,303,070
Shares of stock converted (in shares)					15,900,000					9,400,000
Conversion of stock, amount issued | $							$ 0.0	$ 0.0	$ 67.6	$ 40.0
Convertible preferred stock, outstanding (in shares)										15,920,450
Class C common stock
Class of Stock [Line Items]
Shares issued upon conversion of stock (in shares)	15,200,000
Voting rights		Each share of Class C common stock is entitled to twenty votes
Common stock, authorized (in shares)						100,000,000	100,000,000	100,000,000
Voting rights, number of votes for each share | vote						20	20
Class C common stock | Restated Certificate Of Incorporation
Class of Stock [Line Items]
Common stock, authorized (in shares)				100,000,000