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Quarterly Financial Data (Unaudited) Quarterly Financial Data (Immaterial Restatement) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Supply and logistics |  |  |  |  |  |  |  |  | $ 1,612,570 | $ 3,323,028 | $ 3,689,795
Revenues | $ 491,011 | $ 572,334 | $ 656,327 | $ 526,857 | $ 847,282 | $ 964,114 | $ 1,015,049 | $ 1,019,719 | 2,246,529 | 3,846,164 | 4,134,830
Supply and logistics costs |  |  |  |  |  |  |  |  | 1,577,497 | 3,277,052 | 3,649,328
Costs and Expenses |  |  |  |  |  |  |  |  | 2,089,662 | 3,713,613 | 4,024,073
Operating income (loss) | $ 57,870 | $ 44,798 | $ 29,380 | $ 24,819 | $ 30,624 | $ 35,268 | $ 31,257 | $ 35,402 | $ 156,867 | $ 132,551 | $ 110,757

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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=26872669&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 Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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=26872669&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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