Delek Logistics - Narrative (Details) $ / shares in Units, $ in Millions						9 Months Ended
	May 01, 2025 USD ($)	Jan. 02, 2025 USD ($)	Oct. 10, 2024 USD ($) $ / shares shares	Aug. 05, 2024 USD ($) shares	Mar. 12, 2024 USD ($) $ / shares shares	Sep. 30, 2025 USD ($) shares	Sep. 30, 2024 shares	Feb. 24, 2025 USD ($) transaction
W2W Holdings LLC
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage				50.00%		50.00%
Net proceeds from equity method investment				$ 83.9
Proceeds from sale of equity method investment, payable forgiveness				$ 60.0
Proceeds from equity method investments, equity interest (in shares) | shares				2,300,000
Wink to Webster Pipeline LLC
Variable Interest Entity [Line Items]
Indirect interest, ownership percentage				15.60%		15.60%
Delek Logistics
Variable Interest Entity [Line Items]
Accounts payable forgiven	$ 58.8
Payments to acquire rail facility assets	$ 25.0
Delek Logistics
Variable Interest Entity [Line Items]
Sale of stock, price per share (in dollars per share) | $ / shares			$ 39.00		$ 38.50
Share repurchase program, number of transactions | transaction								1
Common unit purchase agreement, authorized amount								$ 150.0
Common unit purchase agreement, shares purchased (in shares) | shares						243,075	0
Common unit purchase agreement, amount repurchased						$ 10.0
Common unit purchase agreement, remaining authorized amount						$ 140.0
Delek Logistics | Gravity Water Intermediate Holdings LLC ("Gravity")
Variable Interest Entity [Line Items]
Total consideration		$ 300.8
Delek Logistics | Public Stock Offering
Variable Interest Entity [Line Items]
Number of shares issued in transaction (in shares) | shares			4,423,075		3,584,416
Proceeds from public offering			$ 165.6		$ 132.2
Underwriting discounts			$ 6.6		$ 5.5
Delek Logistics | Over-Allotment Option
Variable Interest Entity [Line Items]
Number of shares issued in transaction (in shares) | shares			576,922		467,532
Delek Logistics | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Limited partners' capital account, units outstanding (in shares) | shares						33,868,203
Delek Logistics | Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Members or limited partners, ownership interest (percentage)						63.30%