Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 835
-SubTopic 30
-Section 55
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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- 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.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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Long-Term Obligations and Notes Payable Delek Logistics Notes (Details) - Senior Notes - Delek Logistics Notes - USD ($)		12 Months Ended
	May 23, 2017	Dec. 31, 2018	Jun. 30, 2018
Debt Instrument [Line Items]
Debt instrument, face amount	$ 250,000,000.0		$ 250,000,000.0
Interest rate, stated percentage	6.75%
Percentage of redemption price redeemed		10100.00%
Redemption, period one
Debt Instrument [Line Items]
Percentage of principal amount redeemed	3500.00%
Percentage of redemption price redeemed	10675.00%
Redemption, period two
Debt Instrument [Line Items]
Percentage of redemption price redeemed	10506.30%
Redemption, period three
Debt Instrument [Line Items]
Percentage of redemption price redeemed	10337.50%
Redemption, period four
Debt Instrument [Line Items]
Percentage of redemption price redeemed	10168.80%
Redemption, period five
Debt Instrument [Line Items]
Percentage of redemption price redeemed	10000.00%