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Equity - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Aug. 13, 2020
Aug. 12, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Aug. 31, 2020
Limited Partners' Capital Account [Line Items]              
Maximum percentage increase of cash distributions from operating surplus   48.00%          
Permian Gathering Assets Acquisition equity issuance (in units)         5,000,000    
Permian Gathering Asset              
Limited Partners' Capital Account [Line Items]              
Permian Gathering Assets Acquisition equity issuance (in units)     5,000,000        
Maximum              
Limited Partners' Capital Account [Line Items]              
Distribution payment targets (in dollars per unit)   $ 0.43125          
Delek US Holdings, Inc.              
Limited Partners' Capital Account [Line Items]              
Delek's limited partner interest 80.00%     79.80%      
General Partnership              
Limited Partners' Capital Account [Line Items]              
General partner economic interest, percent 2.00%            
General partner's ownership interest   2.00%   0.00% 2.00% 2.00%  
General Partnership | Delek US Holdings, Inc.              
Limited Partners' Capital Account [Line Items]              
Delek's ownership interest in general partner 100.00%            
Business combination, acquisition related costs $ 1.1            
General Partnership | Delek US Holdings, Inc. | General Partnership              
Limited Partners' Capital Account [Line Items]              
Business acquisition, percentage of voting interests acquired 5.20%            
Delek Logistics G P              
Limited Partners' Capital Account [Line Items]              
General partner economic interest, percent 2.00%     2.00%      
Common - Public              
Limited Partners' Capital Account [Line Items]              
Common unitholders, outstanding (in units)       8,774,053      
Common - Delek Holdings              
Limited Partners' Capital Account [Line Items]              
Common unitholders, outstanding (in units)       34,696,800      
General Partner              
Limited Partners' Capital Account [Line Items]              
Permian Gathering Assets Acquisition equity issuance (in units)         0    
Limited Partner | Delek US              
Limited Partners' Capital Account [Line Items]              
Limited partners interest in partnership, shares             14,000,000
Limited Partner | Common - Public              
Limited Partners' Capital Account [Line Items]              
Common unitholders, outstanding (in units)       8,774,053 8,697,468    
Permian Gathering Assets Acquisition equity issuance (in units)         0    
Limited Partner | Common - Delek Holdings              
Limited Partners' Capital Account [Line Items]              
Common unitholders, outstanding (in units)       34,696,800 34,745,868    
Permian Gathering Assets Acquisition equity issuance (in units)         5,000,000