Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Revenue	$ 76,751	$ 65,649	$ 197,492	$ 181,630
Cost of revenues	11,284	8,768	31,799	25,492
Gross profit	65,467	56,881	165,693	156,138
Operating costs and expenses:
Research and development	24,670	20,400	71,425	58,890
Sales and marketing	45,435	42,117	130,998	125,769
General and administrative	11,814	10,339	34,486	33,461
Total operating expenses	81,919	72,856	236,909	218,120
Operating loss	(16,452)	(15,975)	(71,216)	(61,982)
Financial expenses, net	(2,553)	(482)	(2,945)	(545)
Loss before income taxes	(19,005)	(16,457)	(74,161)	(62,527)
Income taxes	(220)	(530)	(817)	(1,587)
Net loss	$ (19,225)	$ (16,987)	$ (74,978)	$ (64,114)
Net loss per share of common stock, basic and diluted (in dollars per share)	$ (0.61)	$ (0.56)	$ (2.39)	$ (2.13)
Weighted average number of shares used in computing net loss per share of common stock, basic and diluted (in shares)	31,614,242	30,380,154	31,336,125	30,167,161
Subscriptions
Revenues:
Revenue	$ 44,084	$ 23,327	$ 98,535	$ 45,169
Perpetual licenses
Revenues:
Revenue	373	8,269	1,001	35,304
Maintenance and services
Revenues:
Revenue	$ 32,294	$ 34,053	$ 97,956	$ 101,157