Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - 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	$ 75,217	$ 70,637	$ 221,141	$ 204,881
Cost of revenue	18,744	17,291	57,118	53,658
Gross profit	56,473	53,346	164,023	151,223
Operating expenses:
Research and development	19,037	21,797	63,135	67,940
Sales and marketing	40,863	38,475	125,824	115,934
General and administrative	16,586	13,997	46,942	40,138
Restructuring and other related charges	0	0	0	8,194
Total operating expenses	76,486	74,269	235,901	232,206
Other income (expense), net	3,901	3,444	11,522	9,889
Loss before provision for (benefit from) income taxes	(16,112)	(17,479)	(60,356)	(71,094)
Provision for (benefit from) income taxes	742	268	1,373	726
Net loss	$ (16,854)	$ (17,747)	$ (61,729)	$ (71,820)
Net loss per share attributable to Class A and Class B common stockholders, basic	$ (0.14)	$ (0.15)	$ (0.5)	$ (0.62)
Net loss per share attributable to Class A and Class B common stockholders, diluted	$ (0.14)	$ (0.15)	$ (0.5)	$ (0.62)
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic	124,324	117,902	122,601	116,160
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted	124,324	117,902	122,601	116,160
Other comprehensive loss
Net unrealized gains (losses) on marketable securities	$ 47	$ 267	$ 181	$ 158
Comprehensive loss	$ (16,807)	$ (17,480)	$ (61,548)	$ (71,662)