Contingent Consideration (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Business Acquisition, Contingent Consideration [Line Items]
Payments of the liability-classified contingent consideration arrangements	$ 1,421	$ 318
Other Current Liabilities [Member]
Business Acquisition, Contingent Consideration [Line Items]
Contingent Consideration, Liability	1,115		$ 2,647
Other non current liabilities [Member]
Business Acquisition, Contingent Consideration [Line Items]
Contingent Consideration, Liability	$ 1,127		$ 1,085