Debt Instrument, Premium, Percentage

No definition available.

Name:	dkl_DebtInstrumentPremiumPercentage
Namespace Prefix:	dkl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateEffectivePercentage
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Balance Type:	na
Period Type:	instant

- Definition

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

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Balance Type:	na
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.

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+ Details

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

- Definition

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

+ References

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+ Details

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

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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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Balance Type:	debit
Period Type:	instant

- 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.

+ References

No definition available.

+ Details

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

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

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- Details

Name:	us-gaap_DebtInstrumentAxis=dkl_A2028NotesMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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- Details

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- Details

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Long-Term Obligations - Senior Notes (Details) - Senior Notes - USD ($) $ in Millions		3 Months Ended
	Mar. 13, 2024	Mar. 31, 2024	Apr. 17, 2024	Dec. 31, 2023	May 24, 2021	May 31, 2018
2028 Notes
Debt Instrument [Line Items]
Debt instrument, face amount					$ 400.0
Debt instrument, interest rate, stated percentage					7.125%
Effective interest rate		7.39%
2028 Notes \| Level 1
Debt Instrument [Line Items]
Long-term debt, fair value		$ 391.4		$ 380.4
2025 Notes
Debt Instrument [Line Items]
Debt instrument, face amount						$ 250.0
Debt instrument, interest rate, stated percentage						6.75%
Debt issuance costs		1.5
Repayments of debt		$ 156.2
2025 Notes \| Level 1
Debt Instrument [Line Items]
Long-term debt, fair value				$ 248.7
2029 Notes
Debt Instrument [Line Items]
Debt instrument, face amount	$ 650.0
Debt instrument, interest rate, stated percentage	8.625%
Debt instrument, redemption price, percentage of principal amount redeemed	35.00%
Debt issuance costs	$ 10.4
Effective interest rate		8.81%
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 \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			8.625%
2029 Notes \| Level 1
Debt Instrument [Line Items]
Long-term debt, fair value		$ 664.3
Additional 2029 Notes
Debt Instrument [Line Items]
Redemption price percentage	101.00%
Additional 2029 Notes \| Subsequent Event
Debt Instrument [Line Items]
Debt instrument, face amount			$ 200.0
Debt instrument, premium percentage			1.0125