XML 69 R49.htm IDEA: XBRL DOCUMENT
v3.21.1

Equity - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 13, 2020 | Mar. 31, 2021 | Dec. 31, 2020 | Aug. 31, 2020
Common unitholders - public |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common units outstanding (in shares) |  | 8,697,468 | 8,697,468 |
Common unitholders - Delek |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common units outstanding (in shares) |  | 34,745,868 | 34,745,868 |
Limited Partner | Delek US |  |  |  |
Class of Stock [Line Items] |  |  |  |
Limited Partners Interest In Partnership, Shares |  |  |  | 14,000,000.0
Limited Partner | Common unitholders - public |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common units outstanding (in shares) |  | 8,697,468 |  |
Limited Partner | Common unitholders - Delek |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common units outstanding (in shares) |  | 34,745,868 |  |
Delek US Holdings, Inc. |  |  |  |
Class of Stock [Line Items] |  |  |  |
Delek's limited partner ownership interest (as percent) |  | 80.00% |  |
Delek US Holdings, Inc. | General Partnership |  |  |  |
Class of Stock [Line Items] |  |  |  |
Ownership Interest in General Partner (as percent) | 100.00% |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 5.20% |  |  |
Business Combination, Acquisition Related Costs | $ 1.1 |  |  |

X
- Definition Limited Partners Interest In Partnership, Shares + References No definition available. + Details
Name: | dkl_LimitedPartnersInterestInPartnershipShares
Namespace Prefix: | dkl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ownership Interest in General Partner + References No definition available. + Details
Name: | dkl_OwnershipInterestinGeneralPartner
Namespace Prefix: | dkl_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 + Details
Name: | us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of limited partner units outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
Name: | us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LimitedPartnersCapitalAccountByClassAxis=dkl_CommonPublicMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LimitedPartnersCapitalAccountByClassAxis=dkl_CommonDelekMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_LimitedPartnerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=dkl_DelekUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=dkl_DelekUSHoldingsInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=dkl_DelekUSHoldingsInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=dkl_GeneralPartnershipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |