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Acquisitions Pro Forma Financial Information (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014
FTT Assets [Member] |
Business Acquisition [Line Items] |
Net sales | $ 203,699 us-gaap_BusinessAcquisitionsProFormaRevenue / us-gaap_BusinessAcquisitionAxis = dkl_FTTAssetsMember
Net income | 13,443 us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss / us-gaap_BusinessAcquisitionAxis = dkl_FTTAssetsMember
Greenville-Mt. Pleasant Assets [Member] |
Business Acquisition [Line Items] |
Net sales | 206,761 us-gaap_BusinessAcquisitionsProFormaRevenue / us-gaap_BusinessAcquisitionAxis = dkl_GreenvilleMt.PleasantAssetsMember
Net income | $ 13,719 us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss / us-gaap_BusinessAcquisitionAxis = dkl_GreenvilleMt.PleasantAssetsMember

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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