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License and Collaboration Agreements - License, Collaboration and Other Revenue (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | $ 8,270 | $ 6,208 | $ 42,457 | $ 102,948
AstraZeneca AB [Member] | MOVANTIKTM (NKTR-118) and MOVANTIKTM fixed-dose combination program (NKTR-119) [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 0 | 0 | 28,000 | 90,000
Roche [Member] | PEGASYS and MIRCERA [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 1,919 | 3,197 | 3,842 | 6,408
Daiichi Sankyo Europe GmbH [Member] | ONZEALDTM (NKTR-102) [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 3,258 | 0 | 3,258 | 0
Amgen, Inc. [Member] | Neulasta [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 1,250 | 1,250 | 2,500 | 2,500
Bayer Healthcare LLC [Member] | BAY41-6551 (Amikacin Inhale) [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 357 | 395 | 714 | 1,205
Baxalta Incorporated [Member] | ADYNOVATETM [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | 207 | 88 | 313 | 197
Other [Member] |  |  |  |
License And Collaboration Agreements [Line Items] |  |  |  |
License, collaboration and other revenue | $ 1,279 | $ 1,278 | $ 3,830 | $ 2,638

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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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