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: