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Development, Commercialization and Supply Agreement - Additional Information1 (Detail) - Out-licenses - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-01-01	Dec. 31, 2018
Eddingpharm
License And Collaboration Agreements [Line Items]
Revenue recognized over remaining period	16 years
HLS
License And Collaboration Agreements [Line Items]
Revenue recognized over remaining period	12 years

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- Definition

License And Collaboration Agreements [Line Items]

+ References

No definition available.

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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130556-203045

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