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Intangible Assets, Goodwill And Other Assets (Schedule Of Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | $ 256,311 | $ 254,671
Intangible assets, Accumulated Amortization | 181,246 | 161,315
Intangible assets, Carrying Value | 75,065 | 93,356
Refinery Services Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 5 years |
Intangible assets, Gross Carrying Amount | 94,654 | 94,654
Intangible assets, Accumulated Amortization | 69,167 | 62,111
Intangible assets, Carrying Value | 25,487 | 32,543
Refinery Services Licensing Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 6 years |
Intangible assets, Gross Carrying Amount | 38,678 | 38,678
Intangible assets, Accumulated Amortization | 22,892 | 19,476
Intangible assets, Carrying Value | 15,786 | 19,202
Refinery Services Supplier Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 2 years |
Intangible assets, Gross Carrying Amount | 36,469 | 36,469
Intangible assets, Accumulated Amortization | 36,469 | 34,105
Intangible assets, Carrying Value | 0 | 2,364
Refinery Services [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | 169,801 | 169,801
Intangible assets, Accumulated Amortization | 128,528 | 115,692
Intangible assets, Carrying Value | 41,273 | 54,109
Supply And Logistics Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 5 years |
Intangible assets, Gross Carrying Amount | 35,430 | 35,430
Intangible assets, Accumulated Amortization | 26,403 | 23,584
Intangible assets, Carrying Value | 9,027 | 11,846
Supply And Logistics Intangibles associated with lease [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 15 years |
Intangible assets, Gross Carrying Amount | 13,260 | 13,260
Intangible assets, Accumulated Amortization | 2,565 | 2,092
Intangible assets, Carrying Value | 10,695 | 11,168
Supply And Logistics Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 4 years |
Intangible assets, Gross Carrying Amount | 18,888 | 18,888
Intangible assets, Accumulated Amortization | 18,888 | 17,048
Intangible assets, Carrying Value | 0 | 1,840
Supply And Logistics [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | 67,578 | 67,578
Intangible assets, Accumulated Amortization | 47,856 | 42,724
Intangible assets, Carrying Value | 19,722 | 24,854
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 5 years |
Intangible assets, Gross Carrying Amount | 18,932 | 17,292
Intangible assets, Accumulated Amortization | 4,862 | 2,899
Intangible assets, Carrying Value | $ 14,070 | $ 14,393

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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