XML 92 R78.htm IDEA: XBRL DOCUMENT
v3.22.1

RELATED PARTY TRANSACTIONS (Details) $ in Thousands |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 01, 2020 USD ($) Bcf | Mar. 31, 2021 | Mar. 31, 2022 USD ($) | Mar. 31, 2021 USD ($) | Mar. 31, 2022 USD ($) dth / d lease Bcf | Mar. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jul. 31, 2021
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Demand fees expense recognized pertaining to related party agreement |  |  | $ 1,883 | $ 1,731 | $ 3,729 | $ 3,464 |  |
Demand fees payable |  |  | 855 |  | $ 855 |  | $ 861 |
Number of asset management agreements | lease |  |  |  |  | 1 |  |  |
NJNG to NJRES Affiliate |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Asset management agreement, period | 5 years |  |  |  |  |  |  |
NJNG to Steckman RIdge Affiliate |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Natural gas sold at cost under asset management agreement (in Bcf) | Bcf | 3 |  |  |  |  |  |  |
Approximate annual demand fees under agreement | $ 9,300 |  |  |  |  |  |  |
Demand fees expense recognized pertaining to related party agreement |  |  | 1,546 | 1,505 | $ 3,104 | 3,073 |  |
Demand fees payable |  |  | 779 |  | 779 |  | 778 |
NJRES to Steckman Ridge Affiliate |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Demand fees expense recognized pertaining to related party agreement |  |  | 337 | $ 226 | 625 | $ 391 |  |
Demand fees payable |  |  | $ 76 |  | $ 76 |  | $ 83 |
NJN G to Adelphia Affiliate |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Transportation precedent agreement term |  |  |  |  | 5 years |  |  |
Transportation capacity under precedent agreement with PennEast (in bcf per day) | dth / d |  |  |  |  | 130,000 |  |  |
Leaf River Energy Center LLC |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Natural gas sold at cost under asset management agreement (in Bcf) | Bcf |  |  |  |  | 3 |  |  |
Storage capacity agreement term |  |  |  |  | 5 years |  |  |
NJNG and Clean Energy Ventures to PPA |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Sublease agreement term |  | 15 years |  |  |  |  |  |
NJNG To NJR Subsidiaries |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |
Term of contract |  |  |  |  |  |  |  | 16 years

X
- Definition Asset Management Agreement, Period + References No definition available. + Details
Name: | njr_AssetManagementAgreementPeriod
Namespace Prefix: | njr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Agreement between subsidiaries as a result of gas storage sold under asset management agreement + References No definition available. + Details
Name: | njr_NaturalGasStorageSoldUnderAssetManagementAgreementfromNJNGtoNJRES
Namespace Prefix: | njr_
Data Type: | dtr-types:volumeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Natural Gas Transportation Capacity Under Precedent Agreement + References No definition available. + Details
Name: | njr_NaturalGasTransportationCapacityUnderPrecedentAgreement
Namespace Prefix: | njr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Asset Management Agreement + References No definition available. + Details
Name: | njr_NumberofAssetManagementAgreement
Namespace Prefix: | njr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual Projected Demand Fees based upon a related party agreement between various NJR Subsidiaries + References No definition available. + Details
Name: | njr_ProjectedAnnualDemandFeesUnderRelatedPartyAgreement
Namespace Prefix: | njr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Related Party Transaction, Storage Capacity Agreement Term + References No definition available. + Details
Name: | njr_RelatedPartyTransactionStorageCapacityAgreementTerm
Namespace Prefix: | njr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Related Party Transaction, Transportation Precedent Agreement Term + References No definition available. + Details
Name: | njr_RelatedPartyTransactionTransportationPrecedentAgreementTerm
Namespace Prefix: | njr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Solar Array And Related Energy Output, Sublease Agreement Term + References No definition available. + Details
Name: | njr_SolarArrayAndRelatedEnergyOutputSubleaseAgreementTerm
Namespace Prefix: | njr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of obligations due all related parties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(C)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.17) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(B)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -URI http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(3),(4)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NJNGToNJRESAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NjngToSteckmanRidgeAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NjresToSteckmanRidgeAfffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NJNGtoAdelphiaAffiliateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_LeafRiverEnergyCenterLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NJNGAndCleanEnergyVenturesToPPAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NJNGToNJRSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |