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Equity - Narrative (Details) - shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Class of Stock [Line Items]
General partner's ownership interest (as percent)	2.00%	2.00%
Delek US
Class of Stock [Line Items]
Ownership Interest in General Partner (as percent)	94.60%
Affiliates
Class of Stock [Line Items]
Ownership Interest in General Partner (as percent)	5.40%
Limited Partner | Common unitholders - public
Class of Stock [Line Items]
Common units outstanding (in shares)	9,113,359		9,109,807
Limited Partner | Common unitholders - Delek
Class of Stock [Line Items]
Common units outstanding (in shares)	15,294,046		15,294,046
General Partner
Class of Stock [Line Items]
General partner units outstanding (units)	498,110		498,038
Delek US Holdings, Inc.
Class of Stock [Line Items]
Delek's limited partner ownership interest (as percent)	61.40%

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