Collaborative Arrangements - Janssen Pharmaceuticals, Inc. (Details) - Janssen - USD ($) $ in Millions	3 Months Ended	12 Months Ended
Sep. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Up-front payment	$ 30.0		$ 35.0
Reimbursement for research and development activities		$ 22.8	$ 9.1
Time period of notice required to terminate		6 months

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.

No definition available.

+ Details

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- Definition

Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 45
-Section 45
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=51671805&loc=d3e60722-111653

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- Definition

Collaborative Arrangement, Time Period of Notice Required to Terminate

+ References

No definition available.

+ Details

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- Definition

The amount of the up-front license fee paid by the entity pursuant to a collaborative arrangement.

+ References

No definition available.

+ Details

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- Details

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