Agreement for Natural Gas Storage Capacity Between NJNG and Affiliate

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- Definition

Natural Gas Transportation Capacity Under Precedent Agreement from NJNG With PennEast

+ References

No definition available.

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- Definition

Natural Gas Transportation Capacity Under Precedent Agreement, Period

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No definition available.

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- Definition

Number of Asset Management Agreements

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No definition available.

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- Definition

Annual Projected Demand Fees based upon a related party agreement between various NJR Subsidiaries

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No definition available.

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- Definition

Related Party Agreement Term specific to an agreement between varaious NJR Subsidiaries.

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No definition available.

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-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=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph k

-Subparagraph 1

-Article 4

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-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=6879938&loc=d3e572229-122910

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 17

-Article 7

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-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=6876686&loc=d3e534808-122878

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph 3, 4

-Article 9

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-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

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Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=njr_NJNGtoPennEastAffiliateMember
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RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended
RELATED PARTY TRANSACTIONS (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014 MMcf
Related Party Transaction [Line Items]
Number of asset management agreements	3njr_NumberofAssetManagementAgreements
NJRES to Steckman RIdge and Iroquios Affliates [Member]
Related Party Transaction [Line Items]
Demand fees expense recognized pertaining to related party agreement	$ 1,600,000	$ 1,600,000
NJRES to Steckman Ridge Affiliate
Related Party Transaction [Line Items]
Due to related parties	301,000		187,000
NJRES to Iroquois Affiliate [Member]
Related Party Transaction [Line Items]
Due to related parties	420,000		389,000
NJNG to Steckman RIdge Affiliate
Related Party Transaction [Line Items]
Due to related parties	775,000		775,000
Related party agreement term	10 years
Agreement for natural gas storage capacity between NJNG and affiliate (MMcf)	3,000
Approximate annual demand fees under agreement from April 1 2010 to March 31 2020	9,300,000
NJNG to Steckman RIdge and Iroquios Affiliates [Member]
Related Party Transaction [Line Items]
Demand fees expense recognized pertaining to related party agreement	1,600,000	1,700,000
NJNG to Iroquois Affiliate [Member]
Related Party Transaction [Line Items]
Due to related parties	$ 61,000		48,000
NJNG to PennEast Affiliate [Member]
Related Party Transaction [Line Items]
Natural Gas Transportation Capacity under Precedent Agreement from NJNG with PennEast, period	15 years
Natural Gas Transportation Capacity under Precedent Agreement from NJNG with PennEast			180