Stockholders' Equity (Details 11) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share base compensation	$ 12,815	$ 9,280	$ 7,035
Cost of revenues
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share base compensation	2,526	1,678	1,503
Selling, distribution and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share base compensation	192	137	132
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share base compensation	9,185	6,800	4,701
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share base compensation	$ 912	$ 665	$ 699