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DERIVATIVE INSTRUMENTS - BROKER MARGIN DEPOSITS (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Sep. 30, 2016
NJNG
Derivative [Line Items]
Broker margin - Current assets	$ 3,354	$ 4,822
NJRES
Derivative [Line Items]
Broker margin - Current assets	$ 20,250	$ 42,822

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- 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.

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- Definition

Amount of other receivables due from broker-dealers or clearing organizations.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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