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License and Collaboration Agreements - License, Collaboration and Other Revenue (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | $ 131,112 | $ 8,373 | $ 142,028 | $ 50,829
Eli Lilly and Company [Member] | NKTR-358 [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 127,553 | 0 | 127,553 | 0
AstraZeneca AB [Member] | MOVANTIK and MOVANTIK fixed-dose combination program [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 0 | 3,000 | 4,600 | 31,000
Amgen, Inc. [Member] | Neulasta [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 1,250 | 1,250 | 3,750 | 3,750
Bayer Healthcare LLC [Member] | BAY41-6551 (Amikacin Inhale) [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 357 | 357 | 1,072 | 1,072
Daiichi Sankyo Europe GmbH [Member] | ONZEALDTM (NKTR-102) [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 216 | 216 | 647 | 3,474
Roche [Member] | MIRCERA [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 0 | 1,929 | 0 | 5,771
Baxalta Incorporated [Member] | ADYNOVATE [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 312 | 336 | 357 | 648
Other [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | $ 1,424 | $ 1,285 | $ 4,049 | $ 5,114

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- Definition Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Revenue may contain one or more of the following elements: upfront fees, contract research, milestone payments, manufacturing and supply, royalties, and license fees. + References No definition available. + Details
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