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DERIVATIVE INSTRUMENTS - OFFSETTING OF ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Sep. 30, 2016
--- | --- | ---
NJRES |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | $ 38,763 | $ 34,076
Offsetting Derivative Instruments | (34,372) | (20,783)
Financial Collateral Received/Pledged | (200) | (6,904)
Net Amounts | 4,191 | 6,389
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 91,910 | 58,740
Offsetting Derivative Instruments | (34,371) | (20,783)
Financial Collateral Received/Pledged | (53,555) | (26,691)
Net Amounts | 3,984 | 11,266
NJRES | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 7,669 | 9,981
Offsetting Derivative Instruments | (3,278) | (2,837)
Financial Collateral Received/Pledged | (200) | (755)
Net Amounts | 4,191 | 6,389
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 7,171 | 12,872
Offsetting Derivative Instruments | (3,278) | (2,837)
Financial Collateral Received/Pledged | 0 | 1,200
Net Amounts | 3,893 | 11,235
NJRES | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 31,094 | 24,094
Offsetting Derivative Instruments | (31,094) | (17,945)
Financial Collateral Received/Pledged | 0 | (6,149)
Net Amounts | 0 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 84,648 | 45,836
Offsetting Derivative Instruments | (31,093) | (17,945)
Financial Collateral Received/Pledged | (53,555) | (27,891)
Net Amounts | 0 | 0
NJRES | Foreign currency contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets |  | 1
Offsetting Derivative Instruments |  | (1)
Financial Collateral Received/Pledged |  | 0
Net Amounts |  | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 91 | 32
Offsetting Derivative Instruments | 0 | (1)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 91 | 31
NJNG |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 15,112 | 1,115
Offsetting Derivative Instruments | (2,923) | (911)
Financial Collateral Received/Pledged | (4,205) | 0
Net Amounts | 7,984 | 204
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 5,697 | 27,592
Offsetting Derivative Instruments | (2,923) | (911)
Financial Collateral Received/Pledged | 0 | (2,485)
Net Amounts | 2,774 | 24,196
NJNG | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 1,181 | 235
Offsetting Derivative Instruments | (4) | (31)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 1,177 | 204
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 76 | 1,154
Offsetting Derivative Instruments | (4) | (31)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 72 | 1,123
NJNG | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented in Balance Sheets | 13,931 | 880
Offsetting Derivative Instruments | (2,919) | (880)
Financial Collateral Received/Pledged | (4,205) | 0
Net Amounts | 6,807 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 2,919 | 3,365
Offsetting Derivative Instruments | (2,919) | (880)
Financial Collateral Received/Pledged | 0 | (2,485)
Net Amounts | 0 | 0
NJNG | Interest rate contracts |  |
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 2,702 | 23,073
Offsetting Derivative Instruments | 0 | 0
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | $ 2,702 | $ 23,073

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