XML 61 R41.htm IDEA: XBRL DOCUMENT
v3.22.2.2

ASSET RETIREMENT OBLIGATIONS (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2022
Asset Retirement Obligation Disclosure [Abstract] |
Analysis of Change in ARO Liability | The following is an analysis of the change in the Company’s ARO for the fiscal years ended September 30:
| 2022 |  | 2021
(Thousands) | NJNG | NJRCEV |  | NJNG | NJRCEV
Balance at October 1 | $ | 41,611 |  | $ | 4,694 |  |  | $ | 29,280 |  | $ | 4,444 |
Accretion | 2,052 |  | 186 |  |  | 1,612 |  | 182 |
Additions | 161 |  | 281 |  |  | 5,697 |  | 68 |
Change in assumptions | 7,339 |  | — |  |  | 6,151 |  | — |
Retirements | (1,289) |  | — |  |  | (1,129) |  | — |
Balance at period end | $ | 49,874 |  | $ | 5,161 |  |  | $ | 41,611 |  | $ | 4,694 |
Schedule of Future Accretion | Accretion for the next five years, for the fiscal years ended September 30, is estimated to be as follows:
| Estimated
(Thousands) | Accretion
2023 | $ | 2,767 |
2024 | 2,900 |
2025 | 3,038 |
2026 | 3,180 |
2027 | 3,328 |
Total | $ | 15,213 |

X
- Definition Schedule of Future Accretion [Table Text Block] + References No definition available. + Details
Name: | njr_ScheduleOfFutureAccretionTableTextBlock
Namespace Prefix: | njr_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration