Long-Term Obligations - Revolving Credit Facilities (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 06, 2023	Dec. 31, 2023	Jun. 09, 2023	Jun. 08, 2023	Dec. 31, 2022	Nov. 18, 2022
Line of Credit Facility [Line Items]
Outstanding Borrowings		$ 2,657.3			$ 3,120.5
Outstanding Letters of Credit		$ 230.0			$ 115.0
Fifth Third Bank | Delek Logistics Revolving Facility | Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage		0.50%
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)		8.96%			7.92%
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
Line of Credit Facility [Line Items]
Weighted average interest rate (percentage)					5.67%
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			$ 450.0
Outstanding Letters of Credit		305.5
Available Capacity		794.5
Revolving Credit Facility | Line of Credit | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity		1,050.0
Outstanding Borrowings		780.5			720.5
Revolving Credit Facility | Line of Credit | United Community Bank Revolver
Line of Credit Facility [Line Items]
Total Capacity		25.0	$ 25.0	$ 50.0
Outstanding Borrowings		5.0			$ 50.0
Outstanding Letters of Credit		0.0
Available Capacity		$ 20.0
Unused capacity, commitment fee percentage		0.25%
Weighted average interest rate (percentage)		7.75%			6.75%
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		0.75%
Revolving Credit Facility | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Outstanding Letters of Credit		$ 0.0
Available Capacity		$ 269.5
Accelerated maturity, number of days		180 days
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)		8.46%			7.55%
Revolving Credit Facility | Line of Credit | Fifth Third Bank | First Amendment
Line of Credit Facility [Line Items]
Total Capacity	$ 1,050.0
Revolving Credit Facility | Line of Credit | Fifth Third Bank | First, Second, and Third Amendment
Line of Credit Facility [Line Items]
Increase in credit facility	150.0
Revolving Credit Facility | Secured Debt
Line of Credit Facility [Line Items]
Total Capacity						$ 950.0
Letter of Credit | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity		$ 115.0
US Swing Line Sublimit | Line of Credit | Fifth Third Bank | Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity		$ 25.0
Unsecured Debt | Line of Credit | Fifth Third Bank | First Amendment
Line of Credit Facility [Line Items]
Increase in covenant restriction	95.0
Maximum covenant restriction	$ 150.0