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Quarterly Financial Data (Unaudited) Quarterly Financial Data (Immaterial Restatement) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Supply and logistics |  | $ 974,696 | $ 947,890 | $ 893,263 |  |  |  |  | $ 3,797,750 | $ 2,825,768 | $ 1,894,612
Revenues | 1,054,072 | 1,041,837 | 1,013,431 | 960,717 | 806,881 | 830,200 | 762,790 | 689,798 | 4,070,057 | 3,089,669 | 2,101,324
Supply and logistics costs |  | 911,399 | 883,176 | 835,869 |  |  |  |  | 3,707,411 | 2,766,808 | 1,858,862
Costs and Expenses |  | 1,012,719 | 985,762 | 933,987 |  |  |  |  | 3,956,367 | 3,007,217 | 2,128,708
Operating income (loss) | 30,173 | 29,118 | 27,669 | 26,730 | 15,057 | 28,632 | 25,931 | 12,832 | 113,690 | 82,452 | (27,384)
As Reported [Member] |  |  |  |  |  |  |  |  |  |  |
Supply and logistics |  | 875,193 | 857,127 | 865,489 |  |  |  |  |  |  |
Revenues |  | 942,334 | 922,668 | 932,943 |  |  |  |  |  |  |
Supply and logistics costs |  | 811,896 | 792,413 | 808,095 |  |  |  |  |  |  |
Costs and Expenses |  | 913,216 | 894,999 | 906,213 |  |  |  |  |  |  |
Operating income (loss) |  | $ 29,118 | $ 27,669 | $ 26,730 |  |  |  |  |  |  |

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- Definition Costs incurred during the period associated with purchasing and marketing of crude oil and refined products and, to a lesser extent, supplying carbon dioxide to industrial customers. Also includes costs incurred during the period associated with terminating, blending, storing, marketing and transporting crude oil, petroleum products and carbon dioxide. + References No definition available. + Details
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- Definition Revenues recognized during the period for services related to terminaling, blending, storing, marketing and transporting crude oil, petroleum products and carbon dioxide. + References No definition available. + Details
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- Definition Total costs of sales and operating expenses for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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