Fair Value Measurements - Level 3 Contingent Purchase Price (Details) - Fair Value, Measurements, Recurring [Member] - Level 3 [Member] - Contingent Purchase Price Liability [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 123,757	$ 351,134
Fair value of contingent purchase price with respect to Annovation as of February 2, 2015	0	18,000
Payments	(10,449)	(236,418)
Allocation to Hemostasis Business	0	(28,600)
Fair value adjustments to contingent purchase prices included in net loss	23,981	19,641
Balance at end of period	$ 137,289	$ 123,757