Business Combinations (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired	$ 4,329	$ 300
Business Combination, Contingent Consideration, Liability	500
Goodwill, Acquired During Period	2,000
Finite-lived Intangible Assets Acquired	$ 1,200
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years
Instant BioScan Business [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 96,000