v2.4.0.8
DERIVATIVES (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Crude Oil and Feedstock Inventory [Member]
Fair Value Hedging [Member]
bbl
Dec. 31, 2012
Crude Oil and Feedstock Inventory [Member]
Fair Value Hedging [Member]
bbl
Sep. 30, 2013
Intermediates and Refined Products Inventory [Member]
Not Designated as Hedging Instrument [Member]
bbl
Dec. 31, 2012
Intermediates and Refined Products Inventory [Member]
Not Designated as Hedging Instrument [Member]
bbl
Sep. 30, 2013
Intermediates and Refined Products Inventory [Member]
Fair Value Hedging [Member]
bbl
Dec. 31, 2012
Intermediates and Refined Products Inventory [Member]
Fair Value Hedging [Member]
bbl
Sep. 30, 2013
Crude Oil Commodity Contract [Member]
Not Designated as Hedging Instrument [Member]
bbl
Dec. 31, 2012
Crude Oil Commodity Contract [Member]
Not Designated as Hedging Instrument [Member]
bbl
Sep. 30, 2013
Refined Product Commodity Contract [Member]
Not Designated as Hedging Instrument [Member]
bbl
Dec. 31, 2012
Refined Product Commodity Contract [Member]
Not Designated as Hedging Instrument [Member]
bbl
Derivative [Line Items]                            
Derivative, notional amount, volume         928,846 2,529,447 0 0 3,240,579 0 38,156,010 9,234,000 0 1,310,000
Loss on fair value hedge ineffectiveness $ 888 $ 8,127 $ 7,264 $ 7,602