Business Acquisitions- Oncotest Definite Lived Intangible Assets (Details) - Oncotest $ in Thousands	Nov. 18, 2015 USD ($)
Business Acquisition [Line Items]
Definite-Lived Intangible Assets	$ 13,330
Weighted Average Amortization Life	19 years
Client relationships
Business Acquisition [Line Items]
Definite-Lived Intangible Assets	$ 7,146
Weighted Average Amortization Life	19 years
Developed technology
Business Acquisition [Line Items]
Definite-Lived Intangible Assets	$ 5,960
Weighted Average Amortization Life	19 years
Other intangible assets
Business Acquisition [Line Items]
Definite-Lived Intangible Assets	$ 224
Weighted Average Amortization Life	3 years