CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 690,016	$ 547,536	$ 1,946,548	$ 1,538,710
Cost of revenue	137,756	103,319	371,353	305,079
Gross profit	552,260	444,217	1,575,195	1,233,631
Operating expenses:
Research and development	291,802	240,225	836,389	709,197
Sales and marketing	187,772	156,870	548,658	449,296
General and administrative	52,408	51,352	145,256	136,344
Total operating expenses	531,982	448,447	1,530,303	1,294,837
Operating income (loss)	20,278	(4,230)	44,892	(61,206)
Other income:
Interest expense	(1,574)	(1,303)	(4,425)	(5,010)
Interest income and other income, net	37,432	29,833	109,647	69,184
Other income, net	35,858	28,530	105,222	64,174
Income before provision for income taxes	56,136	24,300	150,114	2,968
Provision for income taxes	4,439	1,670	11,962	8,393
Net income (loss)	51,697	22,630	138,152	(5,425)
Net income (loss) attributable to common stockholders, basic	51,697	22,630	138,152	(5,425)
Net income (loss) attributable to common stockholders, diluted	$ 51,697	$ 22,630	$ 138,152	$ (5,425)
Basic net income (loss) per share (in dollars per share)	$ 0.15	$ 0.07	$ 0.41	$ (0.02)
Diluted net income (loss) per share (in dollars per share)	$ 0.14	$ 0.06	$ 0.39	$ (0.02)
Weighted average shares used in calculating basic net income (loss) per share (in shares)	337,562	325,557	334,779	322,395
Weighted average shares used in calculating diluted net income (loss) per share (in shares)	357,635	351,309	357,331	322,395