Long-Term Obligations and Notes Payable - Delek Logistics Credit Facility (Details)	3 Months Ended
	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 31, 2020 USD ($)	Sep. 28, 2018 USD ($)	Mar. 30, 2018 USD ($)	Mar. 30, 2018 CAD ($)
Debt Instrument [Line Items]
Debt Instrument, Debt Covenant, Reduction In Total Funded Debt			$ 20,000,000
Long-term Debt	$ 2,212,800,000	$ 2,218,000,000
Revolving credit facility | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 1,000,000,000	$ 50,000,000
Commitment fee percentage (as percent)	0.375%
Long-term Debt	$ 0	0
Remaining borrowing capacity	637,500,000
Revolving credit facility | DKL Credit Facility | Line of credit
Debt Instrument [Line Items]
Long-term Debt	$ 264,100,000	$ 258,000,000.0
Revolving credit facility | DKL Credit Facility | Fifth Third Bank | Line of credit
Debt Instrument [Line Items]
Maximum borrowing capacity				$ 850,000,000
Maximum borrowing capacity under accordion feature				$ 1,000,000,000
Weighted average interest rate (as percent)	2.67%
Commitment fee percentage (as percent)	0.30%
Remaining borrowing capacity	$ 585,900,000
Revolving credit facility | DKL Credit Facility | Fifth Third Bank | Line of credit | Base Rate
Debt Instrument [Line Items]
Description of variable rate basis	U.S. dollar prime rate
Revolving credit facility | DKL Credit Facility | Fifth Third Bank | Line of credit | Canadian Prime Rate
Debt Instrument [Line Items]
Description of variable rate basis	Canadian dollar prime rate
Revolving credit facility | DKL Credit Facility | Fifth Third Bank | Line of credit | London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Description of variable rate basis	LIBOR