XML 77 R64.htm IDEA: XBRL DOCUMENT
v3.22.0.1

DEBT - LONG TERM DEBT (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Oct. 28, 2021
Debt Instrument [Line Items] |  |  |
Proceeds from sale leaseback transaction | $ 17,300 | $ 0 |
Proceeds from sale leaseback transaction - solar | 3,300 | 12,124 |
Senior Notes | Natural Gas Distribution |  |  |
Debt Instrument [Line Items] |  |  |
Face amount |  |  | $ 100,000
Senior Notes | Natural Gas Distribution | Fixed Interest Rate Maturing 2051 |  |  |
Debt Instrument [Line Items] |  |  |
Face amount |  |  | $ 50,000
Stated interest rate |  |  | 2.97%
Senior Notes | Natural Gas Distribution | Fixed Interest Rate Maturing 2061 |  |  |
Debt Instrument [Line Items] |  |  |
Face amount |  |  | $ 50,000
Stated interest rate |  |  | 3.07%
Clean Energy Ventures |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from sale leaseback transaction - solar | $ 3,300 | 12,100 |
Clean Energy Ventures | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Sale leaseback transaction lease term | 5 years |  |
Clean Energy Ventures | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Sale leaseback transaction lease term | 15 years |  |
Natural Gas Distribution |  |  |
Debt Instrument [Line Items] |  |  |
Proceeds from sale leaseback transaction | $ 17,300 | $ 0 |
Payments for sale leaseback transaction | $ 1,100 |  |

X
- Definition Net Proceeds from Sale Leaseback Transaction, Financing Activities + References No definition available. + Details
Name: | njr_NetProceedsfromSaleLeasebackTransactionFinancingActivities
Namespace Prefix: | njr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payments For Sale Leaseback Transaction, Financing Activities + References No definition available. + Details
Name: | njr_PaymentsForSaleLeasebackTransactionFinancingActivities
Namespace Prefix: | njr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Sale Leaseback Transaction, Net Proceeds, Financing Activities, Solar + References No definition available. + Details
Name: | njr_SaleLeasebackTransactionNetProceedsFinancingActivitiesSolar
Namespace Prefix: | njr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Sale Leaseback Transaction, Term Of Lease + References No definition available. + Details
Name: | njr_SaleLeasebackTransactionTermOfLease
Namespace Prefix: | njr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=njr_NjngMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=njr_FixedInterestRateMaturing2051Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=njr_FixedInterestRateMaturing2061Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=njr_CleanEnergyVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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: |

X
- Details
Name: | dei_LegalEntityAxis=njr_NjngMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |