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Accounting Policies Other Non-current Liabilities (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 19, 2011
Other Non-current Liabilities [Abstract] |  |  |  |
Other Deferred Credits, Current |  |  |  | $ 6,000,000
Other Deferred Credits, Noncurrent | 2,700,000 | 4,400,000 |  |
Other Amortization of Deferred Charges | 668,000 | 0 | 0 |
Tank and pipeline inspection liability, non-current | 2,700,000 | 2,900,000 |  |
Deferred Revenue and Credits | $ 4,500,000 |  |  |

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- Definition Total carrying amount of consideration received or receivable as of the balance sheet date representing potential earnings that were not as yet recognized as revenue or other forms of income in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response) -URI http://asc.fasb.org/extlink&oid=6600647&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A + Details
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