Acquisitions, Investments and Licenses - Schedule of Pro Forma (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2015
Bio-Reference
Business Acquisition [Line Items]
Revenues	$ 266,415	$ 505,333
Net loss	(40,252)	(157,880)
Net loss attributable to common shareholders	(39,777)	(156,480)
EirGen
Business Acquisition [Line Items]
Revenues	43,848	76,769
Net loss	(43,420)	(162,331)
Net loss attributable to common shareholders	$ (42,945)	$ (160,931)