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DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Narrative (Details) (USD $)
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0 Months Ended | |
|---|---|---|
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Jun. 30, 2014
bbl
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Dec. 31, 2013
bbl
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| Derivative [Line Items] | ||
| Margin Deposit | $ 2,000,000 | $ 3,300,000 |
| Gain (loss) to be reclassified during next 12 months, forward-starting interest rate swaps | (10,300,000) | |
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Interest rate swaps | Cash Flow Hedges
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| Derivative [Line Items] | ||
| Notional amount of forward-starting interest rate swaps | $ 0 | |
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Commodity contracts
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| Derivative [Line Items] | ||
| Derivative, Nonmonetary Notional Amount, Volume (in barrels) | 15,500,000 | 15,200,000 |