DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Futures Contracts	Mar. 31, 2014 Gross Derivative Carrying Value	Dec. 31, 2013 Gross Derivative Carrying Value	Mar. 31, 2014 Total	Dec. 31, 2013 Total	Mar. 31, 2014 Derivatives NOT Designated as Hedging Instruments	Dec. 31, 2013 Derivatives NOT Designated as Hedging Instruments	Mar. 31, 2014 Derivatives Designated as Hedging Instruments	Dec. 31, 2013 Derivatives Designated as Hedging Instruments	Mar. 31, 2014 Current derivative assets Gross Derivative Carrying Value	Dec. 31, 2013 Current derivative assets Gross Derivative Carrying Value	Mar. 31, 2014 Current derivative assets Gross Derivative Carrying Value Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative assets Gross Derivative Carrying Value Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative assets Gross Derivative Carrying Value Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative assets Gross Derivative Carrying Value Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative assets Gross Derivative Carrying Value Refined products Futures Contracts	Dec. 31, 2013 Current derivative assets Gross Derivative Carrying Value Refined products Futures Contracts	Mar. 31, 2014 Current derivative assets Netting Balance Sheet Adjustment	Dec. 31, 2013 Current derivative assets Netting Balance Sheet Adjustment	Mar. 31, 2014 Current derivative assets Netting Balance Sheet Adjustment Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative assets Netting Balance Sheet Adjustment Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative assets Netting Balance Sheet Adjustment Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative assets Netting Balance Sheet Adjustment Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative assets Netting Balance Sheet Adjustment Refined products Futures Contracts	Dec. 31, 2013 Current derivative assets Netting Balance Sheet Adjustment Refined products Futures Contracts	Mar. 31, 2014 Current derivative assets Total	Dec. 31, 2013 Current derivative assets Total	Mar. 31, 2014 Current derivative assets Total Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative assets Total Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative assets Total Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative assets Total Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative assets Total Refined products Futures Contracts	Mar. 31, 2014 Current derivative assets Derivatives NOT Designated as Hedging Instruments	Dec. 31, 2013 Current derivative assets Derivatives NOT Designated as Hedging Instruments	Mar. 31, 2014 Current derivative assets Derivatives NOT Designated as Hedging Instruments Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative assets Derivatives NOT Designated as Hedging Instruments Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative assets Derivatives NOT Designated as Hedging Instruments Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative assets Derivatives NOT Designated as Hedging Instruments Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative assets Derivatives NOT Designated as Hedging Instruments Refined products Futures Contracts	Dec. 31, 2013 Current derivative assets Derivatives NOT Designated as Hedging Instruments Refined products Futures Contracts	Mar. 31, 2014 Current derivative assets Derivatives Designated as Hedging Instruments	Dec. 31, 2013 Current derivative assets Derivatives Designated as Hedging Instruments	Mar. 31, 2014 Current derivative assets Derivatives Designated as Hedging Instruments Refined products Futures Contracts	Dec. 31, 2013 Current derivative assets Derivatives Designated as Hedging Instruments Refined products Futures Contracts	Mar. 31, 2014 Non-current derivative assets Gross Derivative Carrying Value	Mar. 31, 2014 Non-current derivative assets Gross Derivative Carrying Value Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Non-current derivative assets Total	Mar. 31, 2014 Non-current derivative assets Total Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Non-current derivative assets Derivatives NOT Designated as Hedging Instruments	Mar. 31, 2014 Non-current derivative assets Derivatives NOT Designated as Hedging Instruments Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Gross Derivative Carrying Value	Dec. 31, 2013 Current derivative liabilities Gross Derivative Carrying Value	Mar. 31, 2014 Current derivative liabilities Gross Derivative Carrying Value Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Gross Derivative Carrying Value Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Gross Derivative Carrying Value Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Gross Derivative Carrying Value Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Gross Derivative Carrying Value Interest rate Swap	Dec. 31, 2013 Current derivative liabilities Gross Derivative Carrying Value Interest rate Swap	Mar. 31, 2014 Current derivative liabilities Gross Derivative Carrying Value Refined products Futures Contracts	Dec. 31, 2013 Current derivative liabilities Gross Derivative Carrying Value Refined products Futures Contracts	Mar. 31, 2014 Current derivative liabilities Netting Balance Sheet Adjustment	Dec. 31, 2013 Current derivative liabilities Netting Balance Sheet Adjustment	Mar. 31, 2014 Current derivative liabilities Netting Balance Sheet Adjustment Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Netting Balance Sheet Adjustment Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Netting Balance Sheet Adjustment Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Netting Balance Sheet Adjustment Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Netting Balance Sheet Adjustment Refined products Futures Contracts	Dec. 31, 2013 Current derivative liabilities Netting Balance Sheet Adjustment Refined products Futures Contracts	Mar. 31, 2014 Current derivative liabilities Total	Dec. 31, 2013 Current derivative liabilities Total	Mar. 31, 2014 Current derivative liabilities Total Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Total Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Total Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Total Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Total Interest rate Swap	Dec. 31, 2013 Current derivative liabilities Total Interest rate Swap	Dec. 31, 2013 Current derivative liabilities Total Refined products Futures Contracts	Mar. 31, 2014 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments	Dec. 31, 2013 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments	Mar. 31, 2014 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Physical Fixed Price Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Physical Fixed Price Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Physical Index Derivative Contracts	Dec. 31, 2013 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Physical Index Derivative Contracts	Mar. 31, 2014 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Refined products Futures Contracts	Dec. 31, 2013 Current derivative liabilities Derivatives NOT Designated as Hedging Instruments Refined products Futures Contracts	Mar. 31, 2014 Current derivative liabilities Derivatives Designated as Hedging Instruments	Dec. 31, 2013 Current derivative liabilities Derivatives Designated as Hedging Instruments	Mar. 31, 2014 Current derivative liabilities Derivatives Designated as Hedging Instruments Interest rate Swap	Dec. 31, 2013 Current derivative liabilities Derivatives Designated as Hedging Instruments Interest rate Swap	Mar. 31, 2014 Current derivative liabilities Derivatives Designated as Hedging Instruments Refined products Futures Contracts	Dec. 31, 2013 Current derivative liabilities Derivatives Designated as Hedging Instruments Refined products Futures Contracts	Mar. 31, 2014 Non-current derivative liabilities Gross Derivative Carrying Value	Mar. 31, 2014 Non-current derivative liabilities Gross Derivative Carrying Value Refined products Futures Contracts	Mar. 31, 2014 Non-current derivative liabilities Total	Mar. 31, 2014 Non-current derivative liabilities Total Refined products Futures Contracts	Mar. 31, 2014 Non-current derivative liabilities Derivatives NOT Designated as Hedging Instruments	Mar. 31, 2014 Non-current derivative liabilities Derivatives NOT Designated as Hedging Instruments Refined products Futures Contracts
Derivatives, Fair Value
Net derivative assets (liabilities)		$ (37,180)	$ (40,260)	$ (37,180)	$ (40,260)	$ 3,926	$ (8,796)	$ (41,106)	$ (31,464)	$ 33,518	$ 50,867	$ 11,872	$ 5,164	$ 49	$ 48	$ 21,597	$ 45,655	$ (21,583)	$ (46,455)	$ (809)	$ (780)	$ (2)	$ (20)	$ (20,772)	$ (45,655)	$ 11,935	$ 4,412	$ 11,063	$ 4,384	$ 47	$ 28	$ 825	$ 31,703	$ 50,801	$ 11,872	$ 5,164	$ 49	$ 48	$ 19,782	$ 45,589	$ 1,815	$ 66	$ 1,815	$ 66	$ 45	$ 45	$ 45	$ 45	$ 45	$ 45	$ (70,735)	$ (91,127)	$ (9,902)	$ (7,027)	$ (412)	$ (330)	$ (39,649)	$ (30,045)	$ (20,772)	$ (53,725)	$ 21,583	$ 46,455	$ 809	$ 780	$ 2	$ 20	$ 20,772	$ 45,655	$ (49,152)	$ (44,672)	$ (9,093)	$ (6,247)	$ (410)	$ (310)	$ (39,649)	$ (30,045)	$ (8,070)	$ (27,814)	$ (59,597)	$ (9,902)	$ (7,027)	$ (412)	$ (330)	$ (17,500)	$ (52,240)	$ (42,921)	$ (31,530)	$ (39,649)	$ (30,045)	$ (3,272)	$ (1,485)	$ (8)	$ (8)	$ (8)	$ (8)	$ (8)	$ (8)
Unrealized loss on inventory hedges	$ 1,500