Geographic Information - Schedule of Revenue by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 129,791	$ 93,888
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	68,354	50,699
EMEA
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	37,872	26,289
Other
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 23,565	$ 16,900