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COMMITMENTS AND CONTINGENT LIABILITIES - SCHEDULE OF FUTURE COMMITTED EXPENSES (Details) $ in Thousands | 6 Months Ended
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Mar. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract] |  |
Current charges recoverable through BGSS | $ 35,700 |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 283,721 | [1]
2017 | 374,972 | [1]
2018 | 249,535 | [1]
2019 | 202,950 | [1]
2020 | 144,803 | [1]
Thereafter | 920,215 | [1]
NJRES [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 224,799 |
2017 | 218,818 |
2018 | 119,396 |
2019 | 62,494 |
2020 | 7,856 |
Thereafter | 7,837 |
NJRES [Member] | Natural Gas Purchases [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 151,898 |
2017 | 127,345 |
2018 | 82,142 |
2019 | 49,608 |
2020 | 0 |
Thereafter | 0 |
NJRES [Member] | Storage Demand Fees [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 21,405 |
2017 | 31,439 |
2018 | 13,117 |
2019 | 6,728 |
2020 | 4,953 |
Thereafter | 4,055 |
NJRES [Member] | Pipeline Demand Fees [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 51,496 |
2017 | 60,034 |
2018 | 24,137 |
2019 | 6,158 |
2020 | 2,903 |
Thereafter | $ 3,782 |
NJRES [Member] | Minimum [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
Storage and pipeline capacity, contract term | 1 year |
NJRES [Member] | Maximum [Member] |  |
Long-term Purchase Commitment [Line Items] |  |
Storage and pipeline capacity, contract term | 10 years |
NJNG [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | $ 58,922 |
2017 | 156,154 |
2018 | 130,139 |
2019 | 140,456 |
2020 | 136,947 |
Thereafter | 912,378 |
NJNG [Member] | Natural Gas Purchases [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 23,178 |
2017 | 62,070 |
2018 | 39,166 |
2019 | 39,421 |
2020 | 41,226 |
Thereafter | 93,884 |
NJNG [Member] | Storage Demand Fees [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 14,495 |
2017 | 29,099 |
2018 | 22,237 |
2019 | 12,834 |
2020 | 5,776 |
Thereafter | 0 |
NJNG [Member] | Pipeline Demand Fees [Member] |  |
Natural Gas Purchases and Future Demand Fees, Next Five Fiscal Years |  |
2016 | 21,249 |
2017 | 64,985 |
2018 | 68,736 |
2019 | 88,201 |
2020 | 89,945 |
Thereafter | $ 818,494 |
[1] | Does not include amounts related to intercompany asset management agreements between NJRES and NJNG.

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