Commitments and Contingencies (Additional Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Line of Credit Facility [Line Items]
Purchase obligation	$ 2,308
Increase in obligation of second year if a 10% increase in revenue	230
Purchase obligation in second year if revenue increases 10%	2,500
Rent expense	2,100	$ 1,900	$ 800
Software Development Services [Member] | Investor [Member]
Line of Credit Facility [Line Items]
Purchase obligation	$ 2,300
Maximum optional renewal period of purchase obligation	5 years
Increase in obligation of second year if a 10% increase in revenue		230
Purchase obligation in second year if revenue increases 10%		$ 2,500