Geographic Information - Schedule of Revenue by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 112,786	$ 80,717	$ 307,066	$ 223,376
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	59,455	43,587	163,971	121,222
EMEA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	32,447	22,601	87,338	62,208
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 20,884	$ 14,529	$ 55,757	$ 39,946