XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Equity Schedule of Series A Equity Units (Details) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Series A Preferred Stock |  |  |  |
Schedule of Series A Equity Units [Line Items] |  |  |  |
Preferred Stock, Dividends Per Share, Declared |  | $ 28.25 | $ 0 |
Series B Preferred Stock [Member] |  |  |  |
Schedule of Series A Equity Units [Line Items] |  |  |  |
Preferred Stock, Dividends Per Share, Declared | $ 0 | $ 406.25 | $ 406.25 | $ 1,218.75

X
- Definition Schedule of Series A Equity Units [Line Items] + References No definition available. + Details
Name: | nix_ScheduleOfSeriesAEquityUnitsLineItems
Namespace Prefix: | nix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendsPerShareDeclared
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |