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Related Party Transactions - Omnibus Agreement (Details) - Omnibus Agreement - Delek US and affiliates - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Related Party Transaction [Line Items]
Related Party Annual Service Fee		$ 4.7
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

Related Party Annual Service Fee

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