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Equity (Details)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Class of Stock [Line Items]
General partner - Delek, units outstanding (units)	494,197us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding		494,197us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding
Delek's limited partner ownership interest	59.90%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Delek's Ownership Interest in General Partner			95.90%dkl_OwnershipInterestinGeneralPartner
General partner's ownership interest	2.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest	2.00%us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
General partner - Delek, units issued	494,197us-gaap_GeneralPartnersCapitalAccountUnitsIssued		494,197us-gaap_GeneralPartnersCapitalAccountUnitsIssued
Subordinated unitholders - Delek; 11,999,258 units issued and outstanding at March 31, 2015 (11,999,258 at December 31, 2014)
Class of Stock [Line Items]
Limited Partners' Capital Account, Units Issued	11,999,258us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_SubordinatedDelekMember		11,999,258us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_SubordinatedDelekMember
Common units outstanding (units)			11,999,258us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_SubordinatedDelekMember
Common unitholders - Delek
Class of Stock [Line Items]
Limited Partners' Capital Account, Units Issued	2,799,258us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonDelekMember		2,799,258us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonDelekMember
Common units outstanding (units)	2,799,258us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonDelekMember		2,799,258us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonDelekMember
Limited Partner Subordinated [Member]
Class of Stock [Line Items]
Common units outstanding (units)	11,999,258us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_LimitedPartnerSubordinatedMember		11,999,258us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_LimitedPartnerSubordinatedMember
Common unitholders - public
Class of Stock [Line Items]
Limited Partners' Capital Account, Units Issued	9,417,189us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonPublicMember		9,417,189us-gaap_LimitedPartnersCapitalAccountUnitsIssued / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonPublicMember
Common units outstanding (units)	9,417,189us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonPublicMember		9,417,189us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding / us-gaap_LimitedPartnersCapitalAccountByClassAxis = dkl_CommonPublicMember

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

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-Subparagraph (SAB TOPIC 4.F)

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The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

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