Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Collaborative Arrangements (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 04, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Recognized Collaborative Revenue [Abstract]
Royalty revenues		$ 5,759	$ 8,386	$ 17,628	$ 32,134
Collaborative revenues		1,546	33,502	2,999	40,846
Total revenues		309,816	178,987	614,401	435,859
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Restricted cash and cash equivalents (VIE)		75,765		75,765		$ 8,418
Prepaid expenses and other current assets		63,388		63,388		44,175
Intangible assets		284,340		284,340		29,000
Goodwill		50,384		50,384		39,915
Deferred tax liability		(113,860)		(113,860)		(15,044)
Other assets		11,061		11,061		3,265
Accounts payable		78,899		78,899		71,194
Accrued expenses		249,698		249,698		209,676
Other liabilities, excluding current portion		34,990		34,990		21,707
Noncontrolling interest		154,585		154,585		21,177
Loss attributable to noncontrolling interest before provision for income taxes		(92,486)	(166,577)	(481,752)	(556,281)
Provision for income taxes		(1,330)	(3,419)	(31,760)	(4,915)
Net (income) loss attributable to noncontrolling interest		1,333	0	(30,909)	0
Janssen
Recognized Collaborative Revenue [Abstract]
Royalty revenues		158	2,284	1,742	12,917
Collaborative revenues		441	1,390	1,620	4,262
Total revenues		599	$ 3,674	3,362	$ 17,179
Up-front payment						35,000
Parion Sciences, Inc
Recognized Collaborative Revenue [Abstract]
Up-front payment	$ 80,000
Fair value of contingent milestone and royalty payments	175,340
Business combination, consideration transferred	255,340
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Intangible assets	255,340
Goodwill	10,468
Deferred tax liability	(91,023)
Net other assets (liabilities)	(10,468)
Net assets attributable to noncontrolling interests	$ 164,317
Provision for income taxes		(800)		(30,400)
Increase in fair value of contingent milestone and royalty payments		(4,500)		(2,900)
Variable Interest Entity, Primary Beneficiary
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Restricted cash and cash equivalents (VIE)		75,765		75,765		8,418
Prepaid expenses and other current assets		3,057		3,057		268
Intangible assets		284,340		284,340		29,000
Goodwill		19,391		19,391		8,923
Deferred tax liability		(110,360)		(110,360)		(11,544)
Other assets		461		461		42
Accounts payable		1,115		1,115		189
Accrued expenses		32,519		32,519		3,891
Other liabilities, excluding current portion		300		300		300
Noncontrolling interest		154,585		154,585		$ 21,177
Loss attributable to noncontrolling interest before provision for income taxes		(1,743)		(3,322)
Provision for income taxes		(777)		(30,367)
Increase in fair value of contingent milestone and royalty payments		(3,853)		(2,780)
Net (income) loss attributable to noncontrolling interest		$ 1,333		$ 30,909