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INVESTMENTS IN EQUITY METHOD INVESTEES (Tables) | 6 Months Ended
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Mar. 31, 2018
Investments, All Other Investments [Abstract] |
Schedule of Equity Method Investments | NJR's investments in equity method investees include the following as of:
(Thousands) | March 31, 2018 | September 30, 2017
Steckman Ridge (1) | $ | 118,875 |  | $ | 120,262 |
PennEast | 65,009 |  | 52,323 |
Total | $ | 183,884 |  | $ | 172,585 |
(1) | Includes loans with a total outstanding principal balance of $70.4 million for both March 31, 2018 and September 30, 2017. The loans accrue interest at a variable rate that resets quarterly and are due October 1, 2023.

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 + Details
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