Related Party Transactions - Quarterly Cash Distributions (Details) - USD ($) $ in Thousands								1 Months Ended
	Aug. 13, 2019	Jul. 24, 2019	May 14, 2019	Feb. 12, 2019	Nov. 09, 2018	Aug. 13, 2018	May 15, 2018	May 31, 2019	Feb. 28, 2019	Feb. 28, 2018
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid			$ 27,438	$ 26,949	$ 25,960	$ 24,984	$ 24,000	$ 27,400	$ 26,900	$ 22,800
Subsequent Event
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid	$ 28,914
Distribution Made to Limited Partner, Cash Distributions Declared		$ 28,900
Delek US and affiliates
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid							$ 17,200		$ 19,600	$ 16,200
Distribution Made to Limited Partner, Cash Distributions Declared								$ 20,000
Delek US and affiliates | Subsequent Event
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Declared		$ 21,200