Goodwill and Intangible Assets, Net - Schedule of Weighted Average Remaining Life and Carrying Value of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 17,204	$ 13,827
Accumulated Amortization	(9,763)	(8,735)
Net Carrying Value	7,441	5,092
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,666	8,967
Accumulated Amortization	(5,651)	(5,114)
Net Carrying Value	$ 5,015	$ 3,853
Customer Relationships | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted- average Remaining Life	4 years 9 months 18 days	4 years 4 months 24 days
Developed Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,390	$ 3,983
Accumulated Amortization	(3,449)	(3,065)
Net Carrying Value	$ 1,941	$ 918
Developed Technology | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted- average Remaining Life	5 years 6 months	1 year 7 months 6 days
Trade Name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 914	$ 643
Accumulated Amortization	(589)	(549)
Net Carrying Value	$ 325	$ 94
Trade Name | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted- average Remaining Life	5 years 6 months	1 year 9 months 18 days
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 234	$ 234
Accumulated Amortization	(74)	(7)
Net Carrying Value	$ 160	$ 227
Other | Weighted Average
Finite-Lived Intangible Assets [Line Items]
Weighted- average Remaining Life	1 year 4 months 24 days	1 year 10 months 24 days