Equity-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense	$ 5.2	$ 6.1	$ 10.7	$ 12.0
Unrecognized compensation cost	$ 34.9		$ 34.9
Unrecognized compensation cost, period for recognition (years)			2 years
Shares paid for tax withholding for share based compensation (in shares)	212,083	167,910	1,004,138	193,640
2026 Plan
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)	1,300,000		1,300,000
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]
Number of shares available for grant (in shares)	3,738,087		3,738,087
Common Stock
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise of equity-based awards (in shares)	375,267	415,334	1,792,050	476,484

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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