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v2.4.0.6

Major Customer (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Revenue, Major Customer [Line Items] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 18.90% | 33.20% |
Delek US [Member] | Wholesale Marketing and Terminalling [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 20.90% |  |
Entity-Wide Gross Margin, Major Customer, Percentage | 51.20% | 57.30% | 58.00%
Delek US [Member] | Pipelines and terminals [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 88.70% |  |
Entity-Wide Gross Margin, Major Customer, Percentage | 88.70% | 46.00% | 100.00%
Susser [Member] | Wholesale Marketing and Terminalling [Member] |  |  |
Revenue, Major Customer [Line Items] |  |  |
Entity-Wide Revenue, Major Customer, Percentage | 17.50% |  |

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- Definition Entity-Wide Gross Margin, Major Customer, Percentage + References No definition available. + Details
Name: | dkl_EntityWideGrossMarginMajorCustomerPercentage
Namespace Prefix: | dkl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_EntityWideRevenueMajorCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration