Acquisitions, Investments and Licenses - Schedule of Pro Forma (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2015 USD ($)
Bio Reference
Business Acquisition [Line Items]
Revenues	$ 238,917
Net loss	(124,662)
Net loss attributable to common shareholders	(123,736)
EirGen
Business Acquisition [Line Items]
Revenues	32,904
Net loss	(118,915)
Net loss attributable to common shareholders	$ (117,990)