CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue
Total revenue	$ 83,860	$ 73,484	$ 169,661	$ 143,447
Cost of revenue
Total cost of revenue	22,244	20,677	44,640	40,213
Gross profit	61,616	52,807	125,021	103,234
Operating expenses
Research and development	23,508	21,795	46,502	43,806
Sales and marketing	35,270	28,213	71,387	53,578
General and administrative	19,632	11,226	33,080	21,609
Total operating expenses	78,410	61,234	150,969	118,993
Loss from operations	(16,794)	(8,427)	(25,948)	(15,759)
Interest income	655	641	2,361	1,133
Interest expense	(3,563)	(433)	(7,117)	(873)
Other (expense) income, net	(68)	(111)	650	(283)
Loss before (benefit) provision for income taxes	(19,770)	(8,330)	(30,054)	(15,782)
(Benefit) provision for income taxes	(5)	(8)	284	3
Net loss	$ (19,765)	$ (8,322)	$ (30,338)	$ (15,785)
Net loss per common share:
Basic and diluted (in dollars per share)	$ (0.41)	$ (0.18)	$ (0.63)	$ (0.35)
Weighted-average common shares outstanding - basic and diluted (in shares)	48,171,552	46,166,660	47,858,628	45,700,559
Subscription and support
Revenue
Total revenue	$ 70,696	$ 60,472	$ 139,057	$ 116,595
Cost of revenue
Total cost of revenue	12,098	10,202	24,251	20,011
Professional services
Revenue
Total revenue	13,164	13,012	30,604	26,852
Cost of revenue
Total cost of revenue	$ 10,146	$ 10,475	$ 20,389	$ 20,202