XML 61 R46.htm IDEA: XBRL DOCUMENT v3.22.2.2

Accounting Policies - Intangible Assets (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Marketing contract
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life (years)	20 years	20 years

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_AcquiredFiniteLivedIntangibleAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=dkl_MarketingContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: