XML 32 R26.htm IDEA: XBRL DOCUMENT
v3.25.2

Equity Method Investment (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Schedule Of Equity Method Investments | Our loss for our investment in Gannet BioChem for the three and six months ended June 30, 2025 is as follows (in thousands):
|  | Three Months Ended June 30, 2025 |  |  | Six Months Ended June 30, 2025 |
Claim on net assets of Gannet BioChem - beginning of period |  | $ | 7,757 |  |  | $ | 12,218 |
Claim on net assets of Gannet BioChem - end of period |  |  | 5,371 |  |  |  | 5,371 |
Change in claim on net assets of Gannet BioChem |  | $ | (2,386 | ) |  | $ | (6,847 | )

X
- Definition Schedule of equity method investments. + References No definition available. + Details
Name: | nktr_ScheduleOfEquityMethodInvestmentsTableTextBlock
Namespace Prefix: | nktr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration