Related Party Transactions - Quarterly Cash Distributions (Details) - USD ($) $ in Thousands									9 Months Ended
	Nov. 12, 2020	Aug. 12, 2020	May 12, 2020	Feb. 12, 2020	Nov. 12, 2019	Aug. 13, 2019	May 14, 2019	Feb. 12, 2019	Sep. 30, 2020
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid		$ 35,969	$ 30,878	$ 30,634	$ 30,379	$ 28,900	$ 27,400	$ 26,900	$ 47,558
Subsequent Event
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid	$ 39,308
Delek US and affiliates
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid		$ 28,100	$ 23,200	$ 22,600		$ 21,200	$ 20,000	$ 19,600
Delek US and affiliates \| Subsequent Event
Related Party Transaction [Line Items]
Distribution Made to Limited Partner, Cash Distributions Paid	$ 31,400