Amount of cash distribution paid to unit-holder of limited partnership (LP).

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

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Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Related Party Transactions - Summary of Transactions (Details) - USD ($) $ in Thousands						1 Months Ended			3 Months Ended		6 Months Ended
	May 07, 2018	Feb. 12, 2018	Nov. 14, 2017	Aug. 11, 2017	May 12, 2017	May 31, 2018	Feb. 28, 2018	Feb. 28, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid	$ 23,997	$ 22,777	$ 22,270	$ 21,783	$ 21,000			$ 20,500
Affiliates									$ 53,080	$ 39,824	$ 114,724	$ 76,443
Delek US and affiliates
Related Party Transaction [Line Items]
Related Party Transaction, Other Revenues from Transactions with Related Party									53,080	39,824
Distribution Made to Limited Partner, Cash Distributions Paid					$ 14,700	$ 17,200	$ 16,200	$ 14,200
Affiliates											114,724	76,443
General and administrative expenses									2,505	1,561	3,462	3,254
Cost of goods sold \| Delek US and affiliates
Related Party Transaction [Line Items]
Expenses									99,515	8,252	181,715	17,180
Operating and maintenance expense \| Delek US and affiliates
Related Party Transaction [Line Items]
Expenses									$ 11,422	$ 6,385	18,911	$ 13,481
Delek US \| Omnibus Agreement \| Operating and maintenance expense \| Delek US and affiliates
Related Party Transaction [Line Items]
Reimbursement for costs incurred for asset failures											$ 7,800