Delek Logistics and the Alon Partnership Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2015 USD ($) bbl	Dec. 31, 2017 USD ($) shares
El Dorado Offloading Racks
Variable Interest Entity [Line Items]
Payments to acquire businesses, gross | $	$ 42.5
Tyler Crude Tank
Variable Interest Entity [Line Items]
Payments to acquire businesses, gross | $	$ 19.4
Aggregate shell capacity (barrels) | bbl	350,000
Delek Logistics | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Members or limited partners, ownership interest (percentage)		61.50%
Limited partners' capital account, units outstanding (in Shares) | shares		15,294,046
Ownership interest in general partner		94.60%
General partner ownership interest in delek logistics		2.00%
General partners' capital account, units outstanding (in Shares) | shares		497,604
Alon Partnership | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Members or limited partners, ownership interest (percentage)		81.60%
General partner ownership interest in delek logistics		100.00%
Limited parters' capital account, units outstanding, held by public, percent		18.40%
Business combination, acquisition of less than 100 percent, noncontrolling interest, fair value | $		$ 120.6
Alon Partnership | Variable Interest Entity, Primary Beneficiary | Other Ownership Interest
Variable Interest Entity [Line Items]
Limited partners' capital account, units outstanding (in Shares) | shares		11,492,800