CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue
Perpetual license	$ 53,512	$ 66,816	$ 69,810
Subscription	48,080	30,227	15,085
Software support and services	47,706	35,252	20,679
Total revenue	149,298	132,295	105,574
Cost of revenue
Perpetual license	2,881	4,448	3,327
Subscription	7,181	5,719	3,684
Software support and services	18,115	13,868	9,489
Total cost of revenue	28,177	24,035	16,500
Gross profit	121,121	108,260	89,074
Operating expenses:
Research and development	61,871	46,278	36,400
Sales and marketing	105,520	99,870	68,309
General and administrative	36,037	22,400	12,081
Restructuring charges	1,049
Amortization of intangible assets		782	208
Impairment of in-process research and development			3,925
Total operating expenses	204,477	169,330	120,923
Operating loss	(83,356)	(61,070)	(31,849)
Other expense - net	274	302	396
Loss before income taxes	(83,630)	(61,372)	(32,245)
Income tax expense	852	517	252
Net loss	$ (84,482)	$ (61,889)	$ (32,497)
Net loss per share, basic and diluted	$ (1.07)	$ (1.30)	$ (3.27)
Weighted-average shares used to compute net loss per share, basic and diluted	78,755,000	47,517,000	9,953,000