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v3.19.3.a.u2

Subsequent Event (Details) - USD ($) $ in Millions | Jan. 14, 2020 | Dec. 31, 2019
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Subsequent Event [Line Items] |  |
Purchase commitments related to contract manufacturing, clinical development and certain other items |  | $ 25.8
NKTR - 181 | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Write off of prepayment | $ 19.7 |
Purchase commitments related to contract manufacturing, clinical development and certain other items | 45.0 |
Purchase Commitment, Remaining Maximum Amount Committed | $ 50.0 |

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- Definition Purchase Commitment, Remaining Maximum Amount Committed + References No definition available. + Details
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- Definition Write Off Of Prepayment + References No definition available. + Details
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Namespace Prefix: | nktr_
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Balance Type: | credit
Period Type: | instant

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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(17)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(25)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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