CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenue	$ 174,851	$ 138,664	$ 498,560	$ 392,112
Cost of revenue	38,582	27,062	109,549	75,560
Gross profit	136,269	111,602	389,011	316,552
Operating expenses:
Sales and marketing	88,123	68,360	258,119	192,673
Research and development	36,131	30,675	106,649	85,714
General and administrative	24,973	23,785	77,969	67,066
Total operating expenses	149,227	122,820	442,737	345,453
Loss from operations	(12,958)	(11,218)	(53,726)	(28,901)
Interest income	1,803	115	2,746	324
Interest expense	(5,082)	(3,594)	(12,246)	(3,873)
Other expense, net	(2,073)	(823)	(4,880)	(1,360)
Loss before income taxes	(18,310)	(15,520)	(68,106)	(33,810)
Provision for income taxes	420	726	2,629	1,822
Net loss	$ (18,730)	$ (16,246)	$ (70,735)	$ (35,632)
Net loss per share, basic (in usd per share)	$ (0.17)	$ (0.15)	$ (0.64)	$ (0.34)
Net loss per share, diluted (in usd per share)	$ (0.17)	$ (0.15)	$ (0.64)	$ (0.34)
Weighted-average shares used to compute net loss per share, basic (in shares)	111,937	106,869	110,843	105,765
Weighted-average shares used to compute net loss per share, diluted (in shares)	111,937	106,869	110,843	105,765