|
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 | ||||||||||