Finite-Lived Intangible Assets, Accelerated Amortization

No definition available.

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- Definition

Product Rights [Line Items]

+ References

No definition available.

+ Details

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Period Type:	instant

- Definition

Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments and purchase accounting adjustments.

+ References

No definition available.

+ Details

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount before accumulated amortization of intangible assets, excluding goodwill.

+ References

No definition available.

+ Details

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

- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph ((a)(1),(b))
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Period Type:	instant

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Balance Sheet Account Detail - Components of Intangible Assets Net of Accumulated Amortization (Detail) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	May. 29, 2013	Dec. 31, 2015	Mar. 31, 2015	Dec. 31, 2015	Dec. 31, 2014
Product Rights [Line Items]
Historical Cost		$ 305,668		$ 305,668	$ 305,668
Accumulated Amortization		(102,797)		(102,797)	(72,383)
Foreign Currency Translation				(4,353)	(2,162)
Impairment				(8,183)	(1,023)
Net Amount		190,335		190,335	230,100
MARQIBO IPR&D (NHL and further ALL indications) [Member]
Product Rights [Line Items]
Historical Cost		17,600		17,600	17,600
Net Amount		17,600		17,600	17,600
EVOMELA IPR&D [Member]
Product Rights [Line Items]
Historical Cost		7,700		7,700	7,700
Net Amount		7,700		7,700	7,700
BELEODAQ distribution rights [Member]
Product Rights [Line Items]
Historical Cost		25,000		25,000	25,000
Accumulated Amortization		(2,812)		(2,812)	(937)
Net Amount		22,188		$ 22,188	24,063
Full Amortization Period (months)				160 months
Remaining Amortization Period (months)				142 months
MARQIBO distribution rights [Member]
Product Rights [Line Items]
Historical Cost		26,900		$ 26,900	26,900
Accumulated Amortization		(8,544)		(8,544)	(4,225)
Net Amount		18,356		$ 18,356	22,675
Full Amortization Period (months)				81 months
Remaining Amortization Period (months)				51 months
FOLOTYN distribution rights [Member]
Product Rights [Line Items]
Historical Cost		118,400		$ 118,400	118,400
Accumulated Amortization		(29,474)		(29,474)	(20,030)
Impairment	$ (1,000)
Net Amount		88,926		$ 88,926	98,370
Full Amortization Period (months)				152 months
Remaining Amortization Period (months)				113 months
ZEVALIN distribution rights [Member] \| United States [Member]
Product Rights [Line Items]
Historical Cost		41,900		$ 41,900	41,900
Accumulated Amortization		(30,608)		(30,608)	(27,134)
Net Amount		11,292		$ 11,292	14,766
Full Amortization Period (months)				123 months
Remaining Amortization Period (months)				39 months
ZEVALIN distribution rights [Member] \| Ex-U.S. [Member]
Product Rights [Line Items]
Historical Cost		23,490		$ 23,490	23,490
Accumulated Amortization		(12,632)		(12,632)	(7,402)
Foreign Currency Translation				(4,353)	(2,162)
Impairment				0
Net Amount		6,505		$ 6,505	13,926
Full Amortization Period (months)				96 months
Remaining Amortization Period (months)				51 months
Accelerated amortization		3,700
FUSILEV distribution rights [Member]
Product Rights [Line Items]
Historical Cost		16,778		$ 16,778	16,778
Accumulated Amortization		(9,618)		(9,618)	(6,270)
Impairment				(7,160)
Net Amount		0		$ 0	10,508
Full Amortization Period (months)				56 months
Remaining Amortization Period (months)				0 months
FOLOTYN out-License [Member]
Product Rights [Line Items]
Historical Cost		27,900		$ 27,900	27,900
Accumulated Amortization		(9,109)		(9,109)	(6,385)
Impairment				(1,023)	(1,023)
Net Amount		$ 17,768		$ 17,768	$ 20,492
Full Amortization Period (months)				110 months
Remaining Amortization Period (months)				79 months
Fusilev [Member]
Product Rights [Line Items]
Impairment			$ (7,200)