Long-Term Obligations - Revolving Credit Facilities Schedule (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Dec. 31, 2024
Line of Credit Facility [Line Items]
Outstanding Borrowings	$ 3,157.1	$ 2,816.4
Outstanding Letters of Credit	$ 255.0	$ 200.0
Delek Logistics Revolving Facility \| Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage	0.45%
Line of Credit \| DKL Revolver, Senior Secured Revolving Commitment \| Minimum \| Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	1.00%
Line of Credit \| DKL Revolver, Senior Secured Revolving Commitment \| Minimum \| Total Leverage Ratio Interest Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	2.00%
Line of Credit \| DKL Revolver, Senior Secured Revolving Commitment \| Maximum \| Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	2.00%
Line of Credit \| DKL Revolver, Senior Secured Revolving Commitment \| Maximum \| Total Leverage Ratio Interest Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	3.00%
Secured Debt
Line of Credit Facility [Line Items]
Weighted average interest rate (percentage)	7.24%	7.44%
Secured Debt \| DKL Revolver, Senior Secured Revolving Commitment \| Minimum \| Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	0.10%
Secured Debt \| DKL Revolver, Senior Secured Revolving Commitment \| Maximum \| Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	0.25%
Revolving Credit Facility \| Letter of Credit
Line of Credit Facility [Line Items]
Total Capacity	$ 500.0
Revolving Credit Facility \| Line of Credit \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	0.25%
Revolving Credit Facility \| Line of Credit \| Minimum \| Secured Overnight Financing Rate (SOFR) and Canadian Overnight Financing Rate (CDOR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	1.25%
Revolving Credit Facility \| Line of Credit \| Maximum
Line of Credit Facility [Line Items]
Unused capacity, commitment fee percentage	0.30%
Revolving Credit Facility \| Line of Credit \| Maximum \| Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	0.75%
Revolving Credit Facility \| Line of Credit \| Maximum \| Secured Overnight Financing Rate (SOFR) and Canadian Overnight Financing Rate (CDOR)
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	1.75%
Revolving Credit Facility \| Line of Credit \| Delek Revolving Credit Facility
Line of Credit Facility [Line Items]
Total Capacity	$ 1,100.0
Outstanding Borrowings	0.0
Outstanding Letters of Credit	424.4
Available Capacity	675.6
Revolving Credit Facility \| Line of Credit \| Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity	1,150.0
Outstanding Borrowings	80.9	$ 435.4
Outstanding Letters of Credit	0.0
Available Capacity	1,069.1
Revolving Credit Facility \| Line of Credit \| United Community Bank Revolver
Line of Credit Facility [Line Items]
Total Capacity	25.0
Outstanding Borrowings	0.0
Outstanding Letters of Credit	0.0
Available Capacity	$ 25.0
Unused capacity, commitment fee percentage	0.25%
Revolving Credit Facility \| Line of Credit \| United Community Bank Revolver \| Wall Street Journal Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (percentage)	0.50%
Revolving Credit Facility \| Line of Credit \| DKL Revolver, Senior Secured Revolving Commitment
Line of Credit Facility [Line Items]
Weighted average interest rate (percentage)	7.72%	7.27%
Letter of Credit \| Line of Credit \| Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity	$ 146.9
US Swing Line Sublimit \| Line of Credit \| Delek Logistics Revolving Facility
Line of Credit Facility [Line Items]
Total Capacity	$ 31.9

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration