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v3.21.2

NATURE OF THE BUSINESS (Details) customer in Thousands | 12 Months Ended
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Sep. 30, 2020 customer subsidiary
Steckman Ridge |
Nature of Business [Line Items] |
Ownership interest, percent | 50.00%
PennEast |
Nature of Business [Line Items] |
Ownership interest, percent | 20.00%
NJNG |
Nature of Business [Line Items] |
Total retail customers (in customers) | customer | 558
NJR Retail Holdings Corporation |
Nature of Business [Line Items] |
Number of principal subsidiaries (in subsidiaries) | subsidiary | 2

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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