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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2019
Feb. 21, 2020
Jun. 28, 2019
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 001-35721    
Entity Registrant Name DELEK LOGISTICS PARTNERS, LP    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 45-5379027    
Entity Address, Address Line One 7102 Commerce Way    
Entity Address, City or Town Brentwood    
Entity Address, State or Province TN    
Entity Address, Postal Zip Code 37027    
City Area Code 615    
Local Phone Number 771-6701    
Title of 12(b) Security Common Units Representing Limited Partner Interests    
Trading Symbol DKL    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 278,600,000
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Central Index Key 0001552797    
Current Fiscal Year End Date --12-31    
Common Units      
Entity Information [Line Items]      
Common Stock, Shares, Outstanding   24,425,625  
General Partner      
Entity Information [Line Items]      
Common Stock, Shares, Outstanding   498,482