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

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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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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

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

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- Definition

The cash outflow from the repayment of long-term borrowing where a lender is placed in a lien position behind debt having a higher priority of repayment (senior) in case of liquidation of the entity's assets before its maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
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Long-Term Obligations and Notes Payable Promissory Notes Narrative (Details) - USD ($) $ in Millions			1 Months Ended
	May 14, 2015	Apr. 29, 2011	Oct. 31, 2015	Mar. 31, 2017	Dec. 31, 2016	Dec. 22, 2015
Debt Instrument [Line Items]
Long-term Debt				$ 824.9	$ 832.9
Notes Payable [Member] \| Ergon Note [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 50.0
Long-term Debt				10.0
Debt Instrument, Interest Rate, Stated Percentage		4.00%
Debt Instrument, Periodic Payment, Principal		$ 10.0
Alon USA Energy, Inc. [Member] \| Loans Payable [Member] \| Unsecured Promissory Note, Alon [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 145.0					$ 120.0
Long-term Debt				$ 95.0
Early Repayment of Subordinated Debt			$ 25.0
Debt Instrument, Interest Rate, Stated Percentage	5.50%
Debt Instrument, Periodic Payment, Principal	$ 25.0
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid	$ 20.0