Debt Instrument, Original Debt Issue Discount

No definition available.

Name:	dk_DebtInstrumentOriginalDebtIssueDiscount
Namespace Prefix:	dk_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- 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.

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- Definition

Amount of the required periodic payments including both interest and principal payments.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- 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.

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Long-Term Obligations - Delek Term Loan Credit Facility (Details) - USD ($) $ in Millions			6 Months Ended
	May 15, 2026	Nov. 18, 2022	Jun. 30, 2026	Dec. 31, 2025
Secured Debt
Debt Instrument [Line Items]
Original debt issue discount		4.00%
Weighted average interest rate (percentage)			6.44%	7.08%
Secured Debt \| Delek Term Loan Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 850.0	$ 950.0
increase in line of credit facility limit	$ 750.0
Secured Debt \| Incremental Term Loans
Debt Instrument [Line Items]
Quarterly payments		$ 2.4
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Interest rate, effective percentage			7.36%
Revolving Credit Facility \| Line of Credit \| Incremental Term Loans \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (percentage)	3.00%		3.50%
Revolving Credit Facility \| Line of Credit \| Incremental Term Loans \| Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate (percentage)	2.00%		2.50%