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Long-Term Obligations - 2024 Debt Extinguishment (Details) - USD ($) $ in Millions		9 Months Ended
	Mar. 13, 2024	Sep. 30, 2025	Sep. 30, 2024	Oct. 13, 2022	May 31, 2018
Debt Instrument [Line Items]
Loss on extinguishment of debt		$ 0.0	$ 3.6
Delek Logistics 2025 Notes \| Senior Notes
Debt Instrument [Line Items]
Repayments of debt		$ 156.2
Loss on extinguishment of debt			1.5
Debt instrument, face amount					$ 250.0
Interest rate, stated percentage					6.75%
Revolving Credit Facility \| DKL Revolver, Delek Logistics Term Facility \| Secured Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 300.0
Repayments of debt	$ 281.3
Loss on extinguishment of debt			$ 2.1