Condensed Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Stock-based compensation	$ 157,450	$ 121,341
Cost of revenues | Subscription
Stock-based compensation	16,022	11,291
Cost of revenues | Professional services and other
Stock-based compensation	9,931	7,561
Sales and marketing
Stock-based compensation	62,130	52,082
Research and development
Stock-based compensation	43,582	28,598
General and administrative
Stock-based compensation	$ 25,785	$ 21,809