Segments - Summary of Revenue by Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 40,627	$ 32,254	$ 116,249	$ 94,409
North America
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	29,941	25,327	87,341	74,105
Europe
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	9,066	5,512	24,259	15,889
APAC
Revenues From External Customers And Long Lived Assets [Line Items]
Revenue	$ 1,620	$ 1,415	$ 4,649	$ 4,415