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Accounting Policies Inventory (Details) - Supplier Concentration Risk - Inventory purchased - Wholesale Marketing and Terminalling - vendor	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Concentration Risk [Line Items]
Number of vendors		2
Concentration risk, percentage	64.20%	11.60%	72.00%
Delek
Concentration Risk [Line Items]
Concentration risk, percentage		65.80%

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- Definition

Represents the number of suppliers.

+ References

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- Definition

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+ References

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