Related Party Transactions Quarterly Cash Distributions (Details) - USD ($) $ in Thousands						1 Months Ended
	Apr. 22, 2016	Feb. 12, 2016	Nov. 13, 2015	Aug. 14, 2015	May. 14, 2015	Feb. 29, 2016	Feb. 28, 2015
Related Party Transaction [Line Items]
Quarterly cash distributions paid		$ 16,124	$ 15,136	$ 14,368	$ 13,702
Delek US and General Partner [Member]
Related Party Transaction [Line Items]
Quarterly cash distributions paid						$ 10,500	$ 7,800
Subsequent Event [Member]
Related Party Transaction [Line Items]
Quarterly distributions declared	$ 17,095
Subsequent Event [Member] | Delek US and General Partner [Member]
Related Party Transaction [Line Items]
Quarterly cash distributions paid	$ 11,300