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DERIVATIVE INSTRUMENTS - OFFSETTING OF ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Sep. 30, 2016
--- | --- | ---
NJRES |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | $ 36,146 | $ 34,076
Offsetting Derivative Instruments | (25,610) | (20,783)
Financial Collateral Received/Pledged | (200) | (6,904)
Net Amounts | 10,336 | 6,389
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 33,327 | 58,740
Offsetting Derivative Instruments | (25,610) | (20,783)
Financial Collateral Received/Pledged | (5,184) | (26,691)
Net Amounts | 2,533 | 11,266
NJRES | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 10,164 | 9,981
Offsetting Derivative Instruments | (540) | (2,837)
Financial Collateral Received/Pledged | (200) | (755)
Net Amounts | 9,424 | 6,389
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 3,048 | 12,872
Offsetting Derivative Instruments | (540) | (2,837)
Financial Collateral Received/Pledged | 0 | 1,200
Net Amounts | 2,508 | 11,235
NJRES | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 25,980 | 24,094
Offsetting Derivative Instruments | (25,068) | (17,945)
Financial Collateral Received/Pledged | 0 | (6,149)
Net Amounts | 912 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 30,252 | 45,836
Offsetting Derivative Instruments | (25,068) | (17,945)
Financial Collateral Received/Pledged | (5,184) | (27,891)
Net Amounts | 0 | 0
NJRES | Foreign currency contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 2 | 1
Offsetting Derivative Instruments | (2) | (1)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 0 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 27 | 32
Offsetting Derivative Instruments | (2) | (1)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 25 | 31
NJNG |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 2,304 | 1,115
Offsetting Derivative Instruments | (930) | (911)
Financial Collateral Received/Pledged | (1,312) | 0
Net Amounts | 62 | 204
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 5,337 | 27,592
Offsetting Derivative Instruments | (930) | (911)
Financial Collateral Received/Pledged | 0 | (2,485)
Net Amounts | 4,407 | 24,196
NJNG | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 64 | 235
Offsetting Derivative Instruments | (2) | (31)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 62 | 204
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 17 | 1,154
Offsetting Derivative Instruments | (2) | (31)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 15 | 1,123
NJNG | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 2,240 | 880
Offsetting Derivative Instruments | (928) | (880)
Financial Collateral Received/Pledged | (1,312) | 0
Net Amounts | 0 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 928 | 3,365
Offsetting Derivative Instruments | (928) | (880)
Financial Collateral Received/Pledged | 0 | (2,485)
Net Amounts | 0 | 0
NJNG | Interest rate contracts |  |
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 4,392 | 23,073
Offsetting Derivative Instruments | 0 | 0
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | $ 4,392 | $ 23,073

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