Debt Instrument, Premium, Percentage

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Period Type:	instant

- 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

Contractual interest rate for funds borrowed, under the debt agreement.

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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

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt premium.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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- Definition

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Name:	us-gaap_DebtInstrumentAxis=dkl_A2025NotesMember
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Long-Term Obligations - Senior Notes (Details) - Senior Notes - USD ($) $ in Millions				12 Months Ended
	Dec. 31, 2025	Mar. 13, 2024	May 24, 2021	Dec. 31, 2025	Dec. 31, 2024	Jun. 30, 2025	Aug. 16, 2024	Apr. 17, 2024
2033 Notes
Debt Instrument [Line Items]
Debt instrument, face amount						$ 700.0
Debt instrument, interest rate, stated percentage						7.375%
Debt instrument, redemption price, percentage of principal amount redeemed	35.00%
Redemption price percentage	101.00%
Debt issuance costs						$ 11.1
Effective interest rate	7.63%			7.63%
2033 Notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price percentage	107.375%
2033 Notes \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price percentage	103.688%
2033 Notes \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price percentage	101.844%
2033 Notes \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Redemption price percentage	100.00%
2033 Notes \| Level 2
Debt Instrument [Line Items]
Long-term debt, fair value	$ 716.4			$ 716.4
2029 Notes
Debt Instrument [Line Items]
Debt instrument, face amount		$ 650.0
Debt instrument, interest rate, stated percentage		8.625%					8.625%	8.625%
Debt instrument, redemption price, percentage of principal amount redeemed		35.00%
Debt issuance costs		$ 17.5
Effective interest rate	8.80%			8.80%
2029 Notes \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Redemption price percentage		108.625%
2029 Notes \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Redemption price percentage		104.313%
2029 Notes \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Redemption price percentage		102.156%
2029 Notes \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Redemption price percentage		100.00%
2029 Notes \| Level 2
Debt Instrument [Line Items]
Long-term debt, fair value	$ 1,100.4			$ 1,100.4	$ 1,086.9
Additional 2029 Notes
Debt Instrument [Line Items]
Debt instrument, face amount							$ 200.0	$ 200.0
Debt instrument, premium percentage							1.0325	1.0125
Redemption price percentage		101.00%
Debt instrument, unamortized premium							$ 9.0
2028 Notes
Debt Instrument [Line Items]
Debt instrument, face amount			$ 400.0
Debt instrument, interest rate, stated percentage			7.125%
Effective interest rate	7.37%			7.37%
2028 Notes \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed			103.56%
2028 Notes \| Debt Instrument, Redemption, Period Four
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed			101.78%
2028 Notes \| Debt Instrument, Redemption, Period Five
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed			100.00%
2028 Notes \| Debt Instrument, Redemption, Change of Control
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed			101.00%
2028 Notes \| Level 2
Debt Instrument [Line Items]
Long-term debt, fair value	$ 402.7			$ 402.7	399.1
2025 Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 250.0			$ 250.0
Debt instrument, interest rate, stated percentage	6.75%			6.75%
Repayments of debt				$ 156.2
Loss on extinguishment of debt					$ 1.5