UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Revenue	$ 265,591	$ 212,546
Cost of revenue
Total cost of revenue	79,528	74,437
Gross profit	186,063	138,109
Operating expenses
Selling and marketing	136,024	108,865
Research and development	58,727	50,596
General and administrative	15,630	12,676
Total operating expenses	210,381	172,137
(Loss) from operations	(24,318)	(34,028)
Foreign currency transaction loss	5,947	3,712
Interest income	607	723
Interest expense	(2,306)	0
Loss on capped call transactions	(18,592)	0
Other income, net	1,374	0
(Loss) before (benefit from) income taxes	(49,182)	(37,017)
(Benefit from) income taxes	(23,810)	(8,300)
Net (loss)	$ (25,372)	$ (28,717)
(Loss) per share
Basic (in dollars per share)	$ (0.32)	$ (0.37)
Diluted (in dollars per share)	$ (0.32)	$ (0.37)
Weighted-average number of common shares outstanding
Basic (in shares)	79,808	78,584
Diluted (in shares)	79,808	78,584
Software license
Revenue
Revenue	$ 93,916	$ 63,264
Cost of revenue
Total cost of revenue	684	1,378
Maintenance
Cost of revenue
Total cost of revenue	5,576	6,335
Services
Revenue
Revenue	97,980	81,576
Cost of revenue
Total cost of revenue	$ 73,268	$ 66,724