Consolidated Statements of Comprehensive Loss (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stock-based compensation	$ 662,195	$ 543,953	$ 394,004
Sales and marketing
Stock-based compensation	268,408	228,045	170,527
Research and development
Stock-based compensation	194,821	135,203	92,025
General and administrative
Stock-based compensation	83,115	99,151	68,717
Subscription | Cost of revenues
Stock-based compensation	72,728	48,738	35,334
Professional services and other | Cost of revenues
Stock-based compensation	$ 43,123	$ 32,816	$ 27,401