XML 79 R9999.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Label | Element | Value
--- | --- | ---
Minimum [Member] |  |
Commodity Contract Length | nix_CommodityContractLength | 1 year
Maximum [Member] |  |
Commodity Contract Length | nix_CommodityContractLength | 3 years

X
- Definition Commodity Contract Length + References No definition available. + Details
Name: | nix_CommodityContractLength
Namespace Prefix: | nix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |