Long-Term Obligations - Outstanding Borrowings Schedule (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term debt gross	$ 2,816.4	$ 2,657.3
Less: Unamortized discount and premium and deferred financing costs	51.2	57.5
Total debt, net of unamortized discount and premium and deferred financing costs	2,765.2	2,599.8
Less: Current portion of long-term debt	9.5	44.5
Long-term debt, net of current portion	2,755.7	2,555.3
Secured Debt \| Delek Term Loan Credit Facility
Debt Instrument [Line Items]
Long-term debt gross	931.0	940.5
Senior Notes \| Delek Logistics 2025 Notes
Debt Instrument [Line Items]
Long-term debt gross	0.0	250.0
Senior Notes \| Delek Logistics 2028 Notes
Debt Instrument [Line Items]
Long-term debt gross	400.0	400.0
Senior Notes \| Delek Logistics 2029 Notes
Debt Instrument [Line Items]
Long-term debt gross	1,050.0	0.0
Revolving Credit Facility \| Line of Credit \| Delek Logistics Revolving Facility
Debt Instrument [Line Items]
Long-term debt gross	435.4	780.5
Revolving Credit Facility \| Line of Credit \| Delek Logistics Term Loan Facility
Debt Instrument [Line Items]
Long-term debt gross	0.0	281.3
Revolving Credit Facility \| Line of Credit \| United Community Bank Revolver
Debt Instrument [Line Items]
Long-term debt gross	$ 0.0	$ 5.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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