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Selected Quarterly Financial Data (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Selected Quarterly Financial Information [Abstract]                      
Net sales $ 124,680 $ 107,470 $ 111,853 $ 104,056 $ 108,931 $ 165,092 $ 172,134 $ 143,512 $ 448,059 $ 589,669 $ 841,253
Operating income 19,163 17,001 22,512 18,974 17,862 21,847 21,139 16,414 77,650 77,262 78,846
Net income 15,312 13,151 18,893 15,448 15,295 18,602 18,311 14,003 62,804 66,211 70,058
Limited partners' interest in net income $ 11,422 $ 9,892 $ 16,102 $ 13,195 $ 13,511 $ 17,219 $ 17,202 $ 13,753 $ 50,611 $ 61,685 $ 69,631
Common Units [Member]                      
Common (basic) $ 0.47 $ 0.41 $ 0.66 $ 0.54 $ 0.56 $ 0.71 $ 0.71 $ 0.57 $ 2.08 [1] $ 2.55 [1] $ 2.88 [1]
Common units - (diluted) 0.47 0.41 0.66 0.54 0.55 0.70 0.70 0.56 2.07 [1] 2.52 [1] 2.85 [1]
Subordinated- Delek                      
Subordinated units - Delek (basic and diluted) $ 0.00 $ 0.00 $ 0.00 $ 0.54 $ 0.56 $ 0.71 $ 0.71 $ 0.57 $ 2.19 [1] $ 2.54 [1] $ 2.88 [1]
[1] We base our calculation of net income per unit on the weighted-average number of common and subordinated limited partner units outstanding during the period. The weighted-average number of common and subordinated units reflect the conversion of the subordinated units to common units on February 25, 2016. See Notes 5 and 12 for further discussion.