v3.26.1
Related Party Transactions - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 01, 2026
Apr. 01, 2026
Jan. 30, 2026
Jan. 02, 2026
Nov. 07, 2012
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jan. 01, 2026
Dec. 31, 2025
Related Party Transaction [Line Items]                      
Percentage of product output marketed under terminated agreement                   100.00%  
Delek US Holdings, Inc.                      
Related Party Transaction [Line Items]                      
Partnership units returned (in shares)   359,372                  
Delek US Holdings, Inc. | Refinery Tank                      
Related Party Transaction [Line Items]                      
Proceeds from sale of rail facility assets   $ 19.0                  
Delek US Holdings, Inc. | Tank and Terminal Assets                      
Related Party Transaction [Line Items]                      
Expected proceeds from sale of assets     $ 66.0                
Delek US Holdings, Inc. | Rail Facility Assets                      
Related Party Transaction [Line Items]                      
Proceeds from sale of rail facility assets       $ 25.0              
Affiliated Entity | Minimum                      
Related Party Transaction [Line Items]                      
Initial/Maximum Term (years)               5 years      
Affiliated Entity | Maximum                      
Related Party Transaction [Line Items]                      
Initial/Maximum Term (years)               10 years      
Affiliated Entity | Omnibus Agreement                      
Related Party Transaction [Line Items]                      
Obligation to pay annual fee         $ 13.0            
Anticipated increase in annual fee $ 8.0                    
Contract with parent, omnibus fees waived               $ 4.0      
Affiliated Entity | Omnibus Agreement | Delek US Holdings, Inc.                      
Related Party Transaction [Line Items]                      
Reimbursement of capital expenditures by Delek Holdings           $ 0.0 $ 0.0 0.0 $ 0.0    
Receivable from related parties           0.0   0.0     $ 0.0
Affiliated Entity | Omnibus Agreement | Delek US Holdings, Inc. | Location, Statement of Income, Balance [Axis]: us-gaap:OperatingExpenses                      
Related Party Transaction [Line Items]                      
Recovery of direct costs           $ 0.0 $ 0.0 $ 0.0 $ 0.0