Selected Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2016

Selected Quarterly Financial Information [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Quarterly financial information for the years ended December 31, 2016 and 2015 is summarized below. The quarterly financial information summarized below has been prepared by management and is unaudited (in thousands, except per unit data).



	For the Three Month Periods Ended
	March 31, 2016		June 30, 2016		September 30, 2016		December 31, 2016
Net sales	$	104,056	$	111,853	$	107,470	$	124,680
Operating income	$	18,974	$	22,512	$	17,001	$	19,163
Net income	$	15,448	$	18,893	$	13,151	$	15,312
Limited partners' interest in net income	$	13,195	$	16,102	$	9,892	$	11,422
Net income per limited partner unit:
Common (basic)	$	0.54	$	0.66	$	0.41	$	0.47
Common (diluted)	$	0.54	$	0.66	$	0.41	$	0.47
Subordinated - Delek (basic and diluted)	$	0.54	$	—	$	—	$	—



	For the Three Month Periods Ended
	March 31, 2015		June 30, 2015		September 30, 2015		December 31, 2015
Net sales	$	143,512	$	172,134	$	165,092	$	108,931
Operating income	$	16,414	$	21,139	$	21,847	$	17,862
Net income	$	14,003	$	18,311	$	18,602	$	15,295
Limited partners' interest in net income	$	13,753	$	17,202	$	17,219	$	13,511
Net income per limited partner unit:
Common (basic)	$	0.57	$	0.71	$	0.71	$	0.56
Common (diluted)	$	0.56	$	0.70	$	0.70	$	0.55
Subordinated - Delek (basic and diluted)	$	0.57	$	0.71	$	0.71	$	0.56