Disposal Group, Including Discontinued Operations, Call Option, Interest Percent

No definition available.

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Namespace Prefix:	dk_
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- Definition

Aggregate dividends declared during the period for each share of common stock 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 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=dk_AlonBakersfieldPropertyInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended
	May 04, 2020	Feb. 24, 2020	Mar. 31, 2020	Mar. 31, 2019	May 07, 2020
Subsequent Event [Line Items]
Dividends declared per common share outstanding (in dollars per share)		$ 0.31	$ 0.31	$ 0.27
Subsequent event
Subsequent Event [Line Items]
Dividends declared per common share outstanding (in dollars per share)	$ 0.31
Alon Bakersfield Property, Inc. [Member] \| Subsequent event
Subsequent Event [Line Items]
Disposal Group, Including Discontinued Operation, Consideration					33.33%
Disposal Group, Including Discontinued Operation, Consideration					$ 40