Equity-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise of equity-based awards (in shares)	59,485	48,154	506,524	409,993
Delek US 2006 and 2016 and Alon USA Energy 2005 Long-Term Incentive Plan
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 44.2		$ 44.2
Unrecognized compensation cost, period for recognition (years)			1 year 7 months 6 days
Shares paid for tax withholding for share based compensation (in shares)	21,881	59,836	224,973	205,944
General and Administrative Expense | Delek US 2006 and 2016 and Alon USA Energy 2005 Long-Term Incentive Plan | Continuing Operations
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 7.8	$ 7.1	$ 20.4	$ 17.9
General and Administrative Expense | Delek US 2006 and 2016 and Alon USA Energy 2005 Long-Term Incentive Plan | Discontinued Operations
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 1.4	$ 0.1	$ 1.6	$ 0.1