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Collaboration Agreements - Other Collaborations (Details) $ in Millions | 1 Months Ended
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Feb. 28, 2018 USD ($)
Collaborative arrangements with Daiichi Sankyo |
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |
Milestone revenue recognized | $ 20.0

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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition The amount of consideration recognized during the period for the milestone or milestones. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 28 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=68058744&loc=SL6892177-166501 + Details
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- Details
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Balance Type: |
Period Type: |