Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following tables summarize the changes in Level 3 assets and the gains and losses included in earnings for the six months endedJune 30, 2016:

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
(in thousands)				Royalty Rights			Preferred Stock Warrants
Fair value as of December 31, 2015				$	399,204		$	—
	Fair value of financial instruments purchased			—			797
	Total net change in fair value for the period
		Change in fair value		(27,957		)	(102		)
		Proceeds		(31,909		)	—
			Total net change in fair value for the period	(59,866		)	(102		)
Fair value as of June 30, 2016				$	339,338		$	695

Schedule of fair value of financial instruments measured on recurring basis

	June 30, 2016								December 31, 2015
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
(In thousands)
Financial assets:
Money market funds	$	59,630	$	—	$	—	$	59,630	$	94,801	$	—	$	—	$	94,801
Certificates of deposit	—		75,000		—		75,000		—		—		—		—
Corporate securities	—		—		—		—		—		1,469		—		1,469
Foreign currency hedge contracts	—		—		—		—		—		2,802		—		2,802
Warrants	—		339		695		1,034		—		984		—		984
Royalty rights - at fair value	—		—		339,338		339,338		—		—		399,204		399,204
Total	$	59,630	$	75,339	$	340,033	$	475,002	$	94,801	$	5,255	$	399,204	$	499,260

Schedule of fair value of assets and liabilities not subject to fair value recognition by level within the valuation hierarchy

The following tables present the fair value of assets and liabilities not subject to fair value recognition by level within the valuation hierarchy:

	June 30, 2016						December 31, 2015
	Carrying Value		Fair Value Level 2		Fair Value Level 3		Carrying Value		Fair Value Level 2		Fair Value Level 3
(In thousands)
Assets:
Wellstat Diagnostics note receivable	$	50,191	$	—	$	52,468	$	50,191	$	—	$	55,970
Hyperion note receivable	1,200		—		1,200		1,200		—		1,200
LENSAR note receivable	43,909		—		46,229		42,271		—		42,618
Direct Flow Medical note receivable	57,022		—		60,537		51,852		—		51,992
Paradigm Spine note receivable	54,332		—		54,450		53,973		—		54,250
kaléo note receivable	146,731		—		145,494		146,778		—		146,789
CareView note receivable	18,797		—		19,500		18,640		—		19,495
Total	$	372,182	$	—	$	379,878	$	364,905	$	—	$	372,314
Liabilities:
February 2018 Notes	$	232,847	$	234,125	$	—	$	228,862	$	197,946	$	—
March 2015 Term Loan	—		—		—		24,966		—		25,000
Total	$	232,847	$	234,125	$	—	$	253,828	$	197,946	$	25,000