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Accounting Policies - Inventory (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Supplier Concentration Risk | Inventory purchased | Wholesale Marketing and Terminalling | Delek
Concentration Risk [Line Items]
Concentration risk, percentage	78.10%	64.20%

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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.

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- Definition

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