Revenue by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Revenue by Geographic Region [Line Items]
Revenue	$ 52,122	$ 38,231	$ 145,462	$ 114,380
Geographic Concentration Risk | Sales
Schedule of Revenue by Geographic Region [Line Items]
Concentration risk percentage	100.00%	100.00%	100.00%	100.00%
United States
Schedule of Revenue by Geographic Region [Line Items]
Revenue	$ 36,305	$ 26,915	$ 102,457	$ 80,825
United States | Geographic Concentration Risk | Sales
Schedule of Revenue by Geographic Region [Line Items]
Concentration risk percentage	69.70%	70.40%	70.40%	70.70%
Total International
Schedule of Revenue by Geographic Region [Line Items]
Revenue	$ 15,817	$ 11,316	$ 43,005	$ 33,555
Total International | Geographic Concentration Risk | Sales
Schedule of Revenue by Geographic Region [Line Items]
Concentration risk percentage	30.30%	29.60%	29.60%	29.30%