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Equity (Details) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Feb. 25, 2016
Limited Partners' Capital Account [Line Items]        
General partner's ownership interest 2.00% 2.00% 2.00%  
Maximum percentage increase of cash distributions from operating surplus 48.00%      
Excess per unit of cash distributions (in usd per unit) $ 0.43125      
Common - Public        
Limited Partners' Capital Account [Line Items]        
Limited Partners' capital account, units outstanding (in units) 9,109,807      
Common - Delek Holdings        
Limited Partners' Capital Account [Line Items]        
Limited Partners' capital account, units outstanding (in units) 15,294,046      
Subordinated- Delek        
Limited Partners' Capital Account [Line Items]        
Limited Partners' capital account, units outstanding (in units)       11,999,258
Delek US        
Limited Partners' Capital Account [Line Items]        
Delek's ownership interest in General Partner 94.60%      
Other Affiliates        
Limited Partners' Capital Account [Line Items]        
Delek's ownership interest in General Partner 5.40%      
Delek US Holdings, Inc.        
Limited Partners' Capital Account [Line Items]        
Delek's Limited Partner interest 61.40%