Convertible Senior Notes (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
May 31, 2015	Jun. 30, 2016
Debt Instruments
Hypothetical Future Dividend Declared		$ 0.06
Delek Holdings, Inc.
Debt Instruments
Sale of Stock, Percentage of Ownership after Transaction	48.00%
Hypothetical Future Ownership Percentage		50.00%
Convertible Senior Notes
Debt Instruments
Debt Instrument, Interest Rate, Stated Percentage		3.00%
Debt Instrument, Convertible, Conversion Ratio		71.626
Debt Instrument, Convertible, Conversion Price		$ 13.96
Option Indexed to Issuer's Equity, Strike Price		13.96
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 18.97
Debt Instrument, Face Amount		$ 150,000
Warrants and Rights Outstanding		$ 4,000

Hypothetical dividend declared in the future.

No definition available.

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- Definition

Hypothetical Future Ownership Percentage - Hypothetical future ownership of the Company's common stock another entity may own

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
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- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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

Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
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- Definition

Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

+ References

No definition available.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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-Name Accounting Standards Codification
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