Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue	$ 708,025	$ 665,930	$ 1,310,606	$ 1,240,815
Costs and expenses:
Cost of revenue	168,740	164,896	339,666	310,966
Research and development	269,391	233,508	535,737	429,056
Sales and marketing	243,239	212,037	444,370	385,990
General and administrative	99,898	89,994	307,762	152,973
Total costs and expenses	781,268	700,435	1,627,535	1,278,985
Loss from operations	(73,243)	(34,505)	(316,929)	(38,170)
Interest income (expense), net	24,888	3,365	49,789	4,453
Other income (expense), net	2,180	(9,252)	2,502	(10,828)
Loss before provision for (benefit from) income taxes	(46,175)	(40,392)	(264,638)	(44,545)
Provision for (benefit from) income taxes	(11,233)	2,684	(21,117)	3,812
Net loss	$ (34,942)	$ (43,076)	$ (243,521)	$ (48,357)
Net loss per share, basic (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.36)	$ (0.07)
Net loss per share, diluted (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.36)	$ (0.07)
Weighted-average shares used in computing net loss per share, basic (in shares)	674,280	662,242	677,696	659,585
Weighted-average shares used in computing net loss per share, diluted (in shares)	674,280	662,242	677,696	659,585