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Related Party Transactions - Omnibus Agreement (Details) - Omnibus Agreement - Delek US and affiliates - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Related Party Transaction [Line Items]
Related Party Annual Service Fee		$ 4.7
Delek US | Operating Expense [Member]
Related Party Transaction [Line Items]
Reimbursement for costs incurred for asset failures			$ 0.1
Delek US | Other long term liabilities
Related Party Transaction [Line Items]
Reimbursement of capital expenditures by Delek Holdings	$ 0.0	$ 0.0	$ 0.6

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- Definition

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- Definition

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- Definition

Return of or reimbursements received in relation to direct costs and expenses previously paid or incurred.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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- Definition

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