CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 174,131	$ 145,079	$ 339,274	$ 282,771
Cost of revenue	28,175	24,861	54,065	50,097
Gross profit	145,956	120,218	285,209	232,674
Operating expense:
Research and development	40,993	34,180	75,677	67,037
Sales and marketing	104,248	87,975	198,890	174,785
General and administrative	44,502	41,352	86,596	82,248
Total operating expenses	189,743	163,507	361,163	324,070
Loss from operations	(43,787)	(43,289)	(75,954)	(91,396)
Interest and other income, net	13,247	11,216	26,042	20,695
Loss before income taxes	(30,540)	(32,073)	(49,912)	(70,701)
Provision for (benefit from) income taxes	(10,356)	3,585	(6,403)	7,621
Net loss	$ (20,184)	$ (35,658)	$ (43,509)	$ (78,322)
Net loss per share - basic (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.15)	$ (0.27)
Net loss per share - diluted (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.15)	$ (0.27)
Weighted-average shares used in computing net loss per share - basic (in shares)	299,805	291,995	298,836	291,068
Weighted-average shares used in computing net loss per share - diluted (in shares)	299,805	291,995	298,836	291,068