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Collaboration and Other Agreements - Les Laboratoires Servier (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 30, 2012 USD ($) performance_obligation exclusive_license | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) | Dec. 31, 2014 USD ($) milestone component | Dec. 31, 2018 USD ($)
Collaboration And Other Agreements [Line Items] |  |  |  |  |  |  |
Revenues |  | $ 18,741 | $ 20,798 | $ 38,996 | $ 44,327 |  |
Deferred revenue, current |  | 23,571 |  | 23,571 |  |  | $ 21,721
Deferred revenue, net of current portion |  | 10,037 |  | 10,037 |  |  | 19,001
Servier |  |  |  |  |  |  |
Collaboration And Other Agreements [Line Items] |  |  |  |  |  |  |
Number of performance obligations | performance_obligation | 3 |  |  |  |  |  |
Number of components in license agreement | component |  |  |  |  |  | 2 |
Servier | Servier DART |  |  |  |  |  |  |
Collaboration And Other Agreements [Line Items] |  |  |  |  |  |  |
Number of exclusive options to license | exclusive_license | 3 |  |  |  |  |  |
Non-refundable upfront payment | $ 20,000 |  |  |  |  |  |
Collaborative agreement transaction price | $ 20,000 |  |  |  |  |  |
Number of milestones achieved | milestone |  |  |  |  |  | 2 |
Milestone Payment |  |  |  |  |  | $ 5,000 |
Option exercise fee |  |  |  |  |  | $ 15,000 |
Offset to research and development costs under the collaboration agreement |  | 1,400 | 2,100 | 3,400 | 4,900 |  |
Deferred revenue |  | 7,500 |  | 7,500 |  |  | 12,600
Deferred revenue, current |  | 7,500 |  | 7,500 |  |  | 900
Deferred revenue, net of current portion |  |  |  |  |  |  | $ 11,700
Revenues From License Agreements | Servier | Servier DART |  |  |  |  |  |  |
Collaboration And Other Agreements [Line Items] |  |  |  |  |  |  |
Revenues |  | $ 4,700 | 300 | $ 5,100 | 900 |  |
Revenues From License Agreements | Les Laboratoires Servier MGD007 | Servier | Servier DART |  |  |  |  |  |  |
Collaboration And Other Agreements [Line Items] |  |  |  |  |  |  |
Revenues |  |  | $ 500 |  | $ 1,400 |  |

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