Nature of Business and Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Product Information [Line Items]
Amortization of intangible assets	$ 4,020	$ 3,641
Products [Member]
Product Information [Line Items]
Amortization of intangible assets		3,200
Services [Member]
Product Information [Line Items]
Amortization of intangible assets		$ 486