DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 3) (USD $) | 9 Months Ended | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2013 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Dec. 31, 2013 | Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 | Sep. 30, 2014 |
| Futures Contracts | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Non-current derivative assets | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Current derivative liabilities | Non-current derivative liabilities | Non-current derivative liabilities | Non-current derivative liabilities | Non-current derivative liabilities | Non-current derivative liabilities | Non-current derivative liabilities |
| | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | Refined petroleum products | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Total | Total | Total | Total | Total | Total | Total | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Total | Total | Total | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | Refined petroleum products | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Derivative Carrying Value | Total | Total | Total | Total | Total | Total | Total | Total | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivatives Designated as Hedging Instruments | Derivative Carrying Value | Derivative Carrying Value | Total | Total | Derivatives NOT Designated as Hedging Instruments | Derivatives NOT Designated as Hedging Instruments |
| | | | | | | | Futures Contracts | Futures Contracts | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | Refined petroleum products | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | Refined petroleum products | | | Refined petroleum products | Refined petroleum products | | Physical Fixed Price Derivative Contracts | Refined petroleum products | | Physical Fixed Price Derivative Contracts | Refined petroleum products | | Physical Fixed Price Derivative Contracts | Refined petroleum products | | | | | | | Futures Contracts | Futures Contracts | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Interest rate Swap | Refined petroleum products | Refined petroleum products | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Interest rate Swap | Refined petroleum products | | | Physical Fixed Price Derivative Contracts | Physical Fixed Price Derivative Contracts | Physical Index Derivative Contracts | Physical Index Derivative Contracts | Refined petroleum products | Refined petroleum products | | | Interest rate Swap | Refined petroleum products | Refined petroleum products | | Refined petroleum products | | Refined petroleum products | | Refined petroleum products |
| | | | | | | | | | | | | | | | Futures Contracts | Futures Contracts | | | | | | | Futures Contracts | | | | | | | Futures Contracts | Futures Contracts | | | Futures Contracts | Futures Contracts | | | Futures Contracts | | | Futures Contracts | | | Futures Contracts | | | | | | | | | | | | | | | | Futures Contracts | Futures Contracts | | | | | | | | Futures Contracts | | | | | | | Futures Contracts | Futures Contracts | | | | Futures Contracts | Futures Contracts | | Futures Contracts | | Futures Contracts | | Futures Contracts |
Derivatives, Fair Value | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Net derivative assets (liabilities) | ' | ' | ' | ' | ' | ' | ' | ' | ' | $115,615 | $50,867 | $16,676 | $5,164 | $99 | $48 | $98,840 | $45,655 | $24,646 | $4,412 | $16,162 | $4,384 | $65 | $28 | $8,419 | $93,244 | $50,801 | $16,676 | $5,164 | $99 | $48 | $76,469 | $45,589 | $22,371 | $66 | $22,371 | $66 | $442 | $441 | $1 | $442 | $441 | $1 | $442 | $441 | $1 | ' | ' | ' | ' | ' | ' | ' | ' | ($94,030) | ($91,127) | ($3,379) | ($7,027) | ($230) | ($330) | ($30,045) | ($90,421) | ($53,725) | ($3,061) | ($44,672) | ($2,865) | ($6,247) | ($196) | ($310) | ($30,045) | ($8,070) | ($92,903) | ($59,597) | ($3,379) | ($7,027) | ($230) | ($330) | ($89,294) | ($52,240) | ($1,127) | ($31,530) | ($30,045) | ($1,127) | ($1,485) | ($225) | ($225) | ($225) | ($225) | ($225) | ($225) |
Unrealized gain (loss) on inventory hedges | 21,200 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Derivative Asset, Collateral, Obligation to Return Cash, Offset | ' | -90,969 | -46,455 | -514 | -780 | -34 | -20 | -90,421 | -45,655 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $90,969 | $46,455 | $514 | $780 | $34 | $20 | $90,421 | $45,655 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |