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Product Sales Revenue (Disclosure Of Product Sales Revenue) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Product Sales Revenue [Line Items] | ||||||||
| Physical sale of petroleum products | $ 755,266 | $ 833,581 | $ 870,007 | |||||
| NYMEX Adjustments Included in Product Sales | (10,597) | (34,199) | (15,479) | |||||
| Total product sales revenues | 744,669 | 799,382 | 854,528 | |||||
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Petroleum Products Blending And Fractionation Activities [Member]
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| Product Sales Revenue [Line Items] | ||||||||
| NYMEX Adjustments Included in Product Sales | (10,586) | [1] | (30,270) | [1] | (4,330) | [1] | ||
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Houston-To-El Paso Pipeline Section Line Fill And Working Inventory [Member]
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| Product Sales Revenue [Line Items] | ||||||||
| NYMEX Adjustments Included in Product Sales | 0 | [1] | (3,940) | [1] | (11,149) | [1] | ||
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Other Product Sale Revenue [Member]
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| Product Sales Revenue [Line Items] | ||||||||
| NYMEX Adjustments Included in Product Sales | $ (11) | $ 11 | $ 0 | |||||
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