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Collaboration Agreements - Shenyang Sunshine Pharmaceutical Co., Ltd (Narrative) (Details) - 3SBio License - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
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Jun. 30, 2020 | Jun. 30, 2020 | May 31, 2014
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |
Aggregate amount of upfront and milestone-based payments |  |  | $ 3.0
Aggregate amount for future payments upon achievement of clinical and regulatory approval milestones for products containing ImmTOR platform | $ 21.0 |  |
Aggregate amount for future payments upon achievement of clinical and regulatory approval milestones for products without ImmTOR Platform |  | $ 41.5 |

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- Definition Aggregate Amount For Future Payments Upon Achievement Of Clinical And Regulatory Approval Milestones For Products Containing ImmTOR Platform + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Aggregate Amount For Future Payments Upon Achievement Of Clinical And Regulatory Approval Milestones For Products Without ImmTOR Platform + References No definition available. + Details
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- Definition Aggregate Amount Of Upfront And Milestone Based Payments Paid + References No definition available. + Details
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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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- Details
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