Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands	Total	Class A and Class B Common Stock	Common Stock Class A and Class B Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		400,562
Beginning balance at Dec. 31, 2021	$ 831,680,000		$ 40,000	$ 2,247,347,000	$ (1,415,707,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		749
Stock options exercised	3,699,000			3,699,000
Stock-based compensation	32,161,000			32,161,000
Vesting and settlement of restricted stock units (in shares)		822
Common stock withheld for tax obligations and net settlement (in shares)		(364)
Common stock withheld related to net share settlement	(9,561,000)			(9,561,000)
Repurchases of Class A common stock (in shares)		(5,637)
Repurchases of Class A common stock	(83,765,000)			(83,765,000)
Net loss	12,293,000				12,293,000
Ending balance (in shares) at Mar. 31, 2022		396,132
Ending balance at Mar. 31, 2022	786,507,000		40,000	2,189,881,000	(1,403,414,000)
Beginning balance (in shares) at Dec. 31, 2021		400,562
Beginning balance at Dec. 31, 2021	831,680,000		40,000	2,247,347,000	(1,415,707,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	10,878,000
Ending balance (in shares) at Jun. 30, 2022		397,908
Ending balance at Jun. 30, 2022	817,940,000		40,000	2,222,729,000	(1,404,829,000)
Beginning balance (in shares) at Mar. 31, 2022		396,132
Beginning balance at Mar. 31, 2022	786,507,000		40,000	2,189,881,000	(1,403,414,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		1,176
Stock options exercised	4,109,000			4,109,000
Stock-based compensation	33,466,000			33,466,000
Vesting and settlement of restricted stock units (in shares)		1,059
Common stock withheld for tax obligations and net settlement (in shares)		(459)
Common stock withheld related to net share settlement	(4,727,000)			(4,727,000)
Net loss	(1,415,000)				(1,415,000)
Ending balance (in shares) at Jun. 30, 2022		397,908
Ending balance at Jun. 30, 2022	817,940,000		40,000	2,222,729,000	(1,404,829,000)
Beginning balance (in shares) at Dec. 31, 2022		397,025
Beginning balance at Dec. 31, 2022	814,827,000		40,000	2,263,322,000	(1,448,535,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		192
Stock options exercised	895,000			895,000
Stock-based compensation	28,263,000			28,263,000
Vesting and settlement of restricted stock units (in shares)		1,668
Common stock withheld for tax obligations and net settlement (in shares)		(666)
Common stock withheld related to net share settlement	(3,710,000)			(3,710,000)
Repurchases of Class A common stock (in shares)		(1,570)
Repurchases of Class A common stock	(9,517,000)			(9,517,000)
Net loss	(3,290,000)				(3,290,000)
Ending balance (in shares) at Mar. 31, 2023		396,649
Ending balance at Mar. 31, 2023	827,468,000		40,000	2,279,253,000	(1,451,825,000)
Beginning balance (in shares) at Dec. 31, 2022		397,025
Beginning balance at Dec. 31, 2022	814,827,000		40,000	2,263,322,000	(1,448,535,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	55,496,000
Ending balance (in shares) at Jun. 30, 2023		396,672
Ending balance at Jun. 30, 2023	895,371,000		40,000	2,288,370,000	(1,393,039,000)
Beginning balance (in shares) at Mar. 31, 2023		396,649
Beginning balance at Mar. 31, 2023	827,468,000		40,000	2,279,253,000	(1,451,825,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		204
Stock options exercised	560,000			560,000
Stock-based compensation	21,354,000			21,354,000
Vesting and settlement of restricted stock units (in shares)		2,148
Common stock withheld for tax obligations and net settlement (in shares)		(827)
Common stock withheld related to net share settlement	(4,526,000)			(4,526,000)
Repurchases of Class A common stock (in shares)		(1,663)
Repurchases of Class A common stock	$ (8,920,000)			(8,920,000)
Issuance of common stock through employee stock purchase plan (in shares)	161
Issuance of common stock through employee stock purchase plan	$ 649,000
Net loss	58,786,000				58,786,000
Ending balance (in shares) at Jun. 30, 2023		396,672
Ending balance at Jun. 30, 2023	$ 895,371,000		$ 40,000	$ 2,288,370,000	$ (1,393,039,000)