Long-Term Obligations - Revolving Credit Facilities (Details) - USD ($) $ in Millions		6 Months Ended
	Mar. 29, 2024	Jun. 30, 2024	Dec. 31, 2023
Line of Credit Facility [Line Items]
Outstanding Borrowings		$ 2,520.9	$ 2,657.3
Outstanding Letters of Credit		$ 195.0	$ 230.0
Fifth Third Bank | Delek Logistics Revolving Facility | Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage		0.40%
Line of Credit | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Minimum | Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.00%
Line of Credit | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Minimum | Total Leverage Ratio Interest Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		2.00%
Line of Credit | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Maximum | Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		2.00%
Line of Credit | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Maximum | Total Leverage Ratio Interest Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		3.00%
Secured Debt
Line of Credit Facility [Line Items]
Weighted average interest rate (percentage)		8.94%	8.96%
Secured Debt | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Minimum | Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.10%
Secured Debt | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment | Maximum | Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Revolving Credit Facility | Letter of Credit
Line of Credit Facility [Line Items]
Total Capacity		$ 500.0
Revolving Credit Facility | Line of Credit | Minimum | Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Revolving Credit Facility | Line of Credit | Minimum | Secured Overnight Financing Rate (SOFR) and Canadian Overnight Financing Rate (CDOR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.25%
Revolving Credit Facility | Line of Credit | Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage		0.30%
Revolving Credit Facility | Line of Credit | Maximum | Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.75%
Revolving Credit Facility | Line of Credit | Maximum | Secured Overnight Financing Rate (SOFR) and Canadian Overnight Financing Rate (CDOR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		1.75%
Revolving Credit Facility | Line of Credit | Delek Revolving Credit Facility
Line of Credit Facility [Line Items]
Total Capacity		$ 1,100.0
Outstanding Borrowings		0.0
Outstanding Letters of Credit		269.5
Available Capacity		830.5
Revolving Credit Facility | Line of Credit | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Outstanding Borrowings		330.2	$ 780.5
Revolving Credit Facility | Line of Credit | United Community Bank Revolver
Line of Credit Facility [Line Items]
Total Capacity		25.0
Outstanding Borrowings		5.0	$ 5.0
Outstanding Letters of Credit		0.0
Available Capacity		$ 20.0
Unused capacity, commitment fee percentage		0.25%
Weighted average interest rate (percentage)		7.75%	7.75%
Revolving Credit Facility | Line of Credit | United Community Bank Revolver | Wall Street Journal Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate		0.50%
Revolving Credit Facility | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity	$ 1,150.0	$ 1,150.0
Outstanding Letters of Credit		0.0
Available Capacity		$ 819.8
Increase in credit facility	$ 100.0
Revolving Credit Facility | Line of Credit | Fifth Third Bank | DKL Revolver, Senior Secured Revolving Commitment
Line of Credit Facility [Line Items]
Weighted average interest rate (percentage)		8.00%	8.46%
Letter of Credit | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity		$ 146.9
US Swing Line Sublimit | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity		$ 31.9