Equity-Based Compensation - Narrative (Details) $ in Millions		12 Months Ended
	Jun. 09, 2021 shares	Dec. 31, 2023 USD ($) tranche shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	May 03, 2023 shares	May 02, 2023 shares	May 02, 2022 shares
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax expense (benefit) for equity-based awards | $		$ (2.0)	$ 0.9	$ 1.7
Exercises in period, total intrinsic value | $		$ 16.3	$ 20.5	$ 13.0
Exercise of equity-based awards (in shares) | shares		450,123	457,405	415,212
Shares paid for tax withholding for share based compensation (in shares) | shares		223,645	463,677	196,451
Taxes paid due to the net settlement of equity-based compensation | $		$ (5.2)	$ (6.5)	$ (4.2)
Performance Shares
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Minimum
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche		1
Minimum | RSUs
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Maximum
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches | tranche		3
Maximum | RSUs
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		5 years
Common Stock
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares					17,010,000	2,015,000	760,000
Delek US 2006 Long-Term Incentive Plan
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares		5,053,392
Delek Logistics GP 2012 Long-Term Incentive Plan | Common Stock
Equity-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares) | shares	912,207
Number of additional shares authorized (in shares) | shares	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]
Unrecognized compensation cost | $		$ 40.0
Unrecognized compensation cost, period for recognition (years)		1 year 4 months 24 days
Taxes paid due to the net settlement of equity-based compensation | $		$ (4.5)
General and Administrative Expense | 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]
Allocated share-based compensation expense | $		$ 24.1	$ 26.8	$ 23.5