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Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - shares
Mar. 31, 2019
Dec. 31, 2018
General partner - Delek, units issued 498,110 498,038
Common unitholders - public    
Common unitholders, units issued 9,113,359 9,109,807
Common unitholders - Delek    
Common unitholders, units issued 15,294,046 15,294,046