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Accounting Policies - Inventory (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Supplier Concentration Risk | Inventory purchased | Wholesale Marketing and Terminalling | Delek
Concentration Risk [Line Items]
Concentration risk, percentage	91.80%	78.10%

X

- 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.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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