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Equity Units Rollforward (Details) - shares
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Increase (Decrease) in Partners' Capital [Roll Forward]      
Balance 24,825,109 24,772,234 24,709,902
GP units issued to maintain 2% interest 1,102 1,057 1,248
Unit-based compensation awards 54,026 51,818 [1] 61,084 [1]
Delek unit repurchases from public 0 0  
Subordinated unit conversion   0  
Balance 24,880,237 24,825,109 24,772,234
Units withheld for taxes 14,053 17,276 21,144
General Partner      
Increase (Decrease) in Partners' Capital [Roll Forward]      
Balance 496,502 495,445 494,197
GP units issued to maintain 2% interest 1,102 1,057 1,248
Unit-based compensation awards 0 0 [1] 0 [1]
Delek unit repurchases from public 0 0  
Subordinated unit conversion   0  
Balance 497,604 496,502 495,445
Common - Public | Limited Partner      
Increase (Decrease) in Partners' Capital [Roll Forward]      
Balance 9,263,415 9,478,273 9,417,189
GP units issued to maintain 2% interest 0 0 0
Unit-based compensation awards 54,026 51,818 [1] 61,084 [1]
Delek unit repurchases from public (228,854) (266,676)  
Subordinated unit conversion   0  
Balance 9,088,587 9,263,415 9,478,273
Common - Delek | Limited Partner      
Increase (Decrease) in Partners' Capital [Roll Forward]      
Balance 15,065,192 2,799,258 2,799,258
GP units issued to maintain 2% interest 0 0 0
Unit-based compensation awards 0 0 [1] 0 [1]
Delek unit repurchases from public 228,854 266,676  
Subordinated unit conversion   11,999,258  
Balance 15,294,046 15,065,192 2,799,258
Subordinated | Limited Partner      
Increase (Decrease) in Partners' Capital [Roll Forward]      
Balance 0 11,999,258 11,999,258
GP units issued to maintain 2% interest 0 0 0
Unit-based compensation awards 0 0 [1] 0 [1]
Delek unit repurchases from public 0 0  
Subordinated unit conversion   (11,999,258)  
Balance 0 0 11,999,258
[1] Unit-based compensation awards are presented net of 14,053, 17,276 and 21,144 units withheld for taxes as of December 31, 2017, 2016 and 2015, respectively.