Collaborative Arrangements and Acquisitions - Concert Pharmaceuticals (Details) - Concert Pharmaceuticals - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Jul. 31, 2017	Jul. 30, 2017	Sep. 30, 2017
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Collaborative arrangement, development and commercialization rights potential maximum milestone payments		$ 160.0
Collaborative arrangement, additional maximum milestone payments based on regulatory approval		$ 90.0
Collaborative funding			$ 160.0
Collaborative arrangement, purchase price	$ 165.1
Collaborative arrangement, transaction costs	$ 5.1

For transactions that are recognized separately from the acquisition of assets and assumptions of liabilities in the business combination, such as related to pre-existing relationships with the acquiree, this element represents the disclosure of the amount of acquisition related costs which have been expensed.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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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.

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- Definition

The fair value of the consideration from the Company to VIE that does not constitute consideration transferred pursuant to ASC 805, Business Combinations.

+ References

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- Definition

Collaborative Arrangement, Additional Maximum Milestone Payments Based on Regulatory Approval

+ References

No definition available.

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- Definition

Collaborative Arrangement, Development and Commercialization Rights Potential Maximum Milestone Payments

+ References

No definition available.

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- Definition

This element represents the funding under collaborative agreement 2016 amendment for research and development.

+ References

No definition available.

+ Details

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