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v2.4.1.9

Related Party Transactions Omnibus Agreement (Details) (Delek [Member], Omnibus Agreement [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Delek [Member] | Omnibus Agreement [Member] |  |
Related Party Transaction [Line Items] |  |
Omnibus Agreement Annual Amount | $ 3.4 dkl_OmnibusAgreementAnnualAmount / us-gaap_RelatedPartyTransactionAxis = dkl_OmnibusAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = dkl_DelekUsMember | $ 3.3 dkl_OmnibusAgreementAnnualAmount / us-gaap_RelatedPartyTransactionAxis = dkl_OmnibusAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = dkl_DelekUsMember
Annual Maximum Tank Repair and Maintenance Expense | $ 0.5 dkl_AnnualMaximumTankRepairAndMaintenanceExpense / us-gaap_RelatedPartyTransactionAxis = dkl_OmnibusAgreementMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = dkl_DelekUsMember |

X
- Definition Annual Maximum Tank Repair and Maintenance Expense + References No definition available. + Details
Name: | dkl_AnnualMaximumTankRepairAndMaintenanceExpense
Namespace Prefix: | dkl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Omnibus Agreement Annual Amount + References No definition available. + Details
Name: | dkl_OmnibusAgreementAnnualAmount
Namespace Prefix: | dkl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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