Fair Value Disclosures - Schedule of Undiscounted Amount of Contingent Consideration (Detail) - CureTech Ltd [Member] $ in Thousands	9 Months Ended
Sep. 30, 2015 USD ($)
Business Acquisition, Contingent Consideration [Line Items]
Potential payment upon completion of Manufacturing Technology Transfer	$ 5,000
Minimum [Member]
Business Acquisition, Contingent Consideration [Line Items]
Potential future tiered royalties on annual worldwide net sales	5.00%
Maximum [Member]
Business Acquisition, Contingent Consideration [Line Items]
Potential future tiered royalties on annual worldwide net sales	11.00%
Sales milestones earned [Member]
Business Acquisition, Contingent Consideration [Line Items]
Business acquisition maximum contingent consideration	$ 245,000
Development milestones earned [Member]
Business Acquisition, Contingent Consideration [Line Items]
Business acquisition maximum contingent consideration	$ 85,000

Dollar amount of future milestone payment for technology transfer under manufacturing services agreement.

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- Definition

Range of percentage rates for royalties paid annual worldwide net sales, as defined by license agreement.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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