Acquisitions, Investments, and Licenses - Summary of Pro Forma Results (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
EirGen Pharma Limited
Business Acquisition [Line Items]
Revenues	$ 495,993	$ 105,973
Net loss	(32,481)	(176,563)
Net loss attributable to common shareholders	(31,081)	(173,590)
Bio-Reference Laboratories, Inc.
Business Acquisition [Line Items]
Revenues	1,052,462	923,407
Net loss	(19,456)	(140,854)
Net loss attributable to common shareholders	$ (18,055)	$ (137,881)