XML 58 R40.htm IDEA: XBRL DOCUMENT v3.23.3

Note 1 - Summary of Significant Accounting Policies - Composition of Utility Plant (Details) - USD ($)	Sep. 30, 2023	Sep. 30, 2022
Distribution and transmission	$ 286,200,652	$ 259,253,559
LNG storage	15,407,053	15,383,276
General and miscellaneous	16,762,186	16,303,848
Total utility property in service	$ 318,369,891	$ 290,940,683

X

- Definition

Period end amount of property, plant and equipment (PPE) related to liquefied natural gas (LNG) facility owned by public utility.

+ References

No definition available.

+ Details

Name:	rgco_PublicUtilitiesPropertyPlantAndEquipmentLiquefiedNaturalGas
Namespace Prefix:	rgco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Period end amount of other property, plant and equipment (PPE) owned (but not classified elsewhere) by the public utility.

+ References

No definition available.

+ Details

Name:	rgco_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipmentGross
Namespace Prefix:	rgco_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Period end amount of total gross PPE.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Period end amount of property, plant and equipment (PPE) related to transmission and distribution owned by public utility.

+ References

No definition available.

+ Details

Name:	us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant