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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, 2013 | Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | $ 203,378 | $ 256,311
Intangible assets, Accumulated Amortization | 140,450 | 181,246
Intangible assets, Carrying Value | 62,928 | 75,065
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 | 76,283 | 69,167
Intangible assets, Carrying Value | 18,371 | 25,487
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 | 26,055 | 22,892
Intangible assets, Carrying Value | 12,623 | 15,786
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 | 0 | 36,469
Intangible assets, Accumulated Amortization | 0 | 36,469
Intangible assets, Carrying Value | 0 | 0
Refinery Services [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | 133,332 | 169,801
Intangible assets, Accumulated Amortization | 102,338 | 128,528
Intangible assets, Carrying Value | 30,994 | 41,273
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 | 28,568 | 26,403
Intangible assets, Carrying Value | 6,862 | 9,027
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 | 3,039 | 2,565
Intangible assets, Carrying Value | 10,221 | 10,695
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 | 0 | 18,888
Intangible assets, Accumulated Amortization | 0 | 18,888
Intangible assets, Carrying Value | 0 | 0
Supply And Logistics [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Gross Carrying Amount | 48,690 | 67,578
Intangible assets, Accumulated Amortization | 31,607 | 47,856
Intangible assets, Carrying Value | 17,083 | 19,722
Other [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible assets, Weighted Amortization Period in Years | 5 years |
Intangible assets, Gross Carrying Amount | 21,356 | 18,932
Intangible assets, Accumulated Amortization | 6,505 | 4,862
Intangible assets, Carrying Value | $ 14,851 | $ 14,070

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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=26713463&loc=d3e16323-109275 + 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=26713463&loc=d3e16323-109275 + 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=26713463&loc=d3e16323-109275 + 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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