Segment Data (Tables)

3 Months Ended

Mar. 31, 2017

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following is a summary of business segment operating performance as measured by contribution margin for the periods indicated (in thousands):



	Three Months Ended
	March 31,
	2017		2016
Pipelines and Transportation
Net sales:
Affiliate	$	26,500	$	26,306
Third party	2,177		6,477
Total pipelines and transportation	28,677		32,783
Operating costs and expenses:
Cost of goods sold	4,405		4,776
Operating expenses	8,155		7,740
Segment contribution margin	$	16,117	$	20,267
Capital spending (excluding business combinations)	$	2,137	$	706

Wholesale Marketing and Terminalling
Net sales:
Affiliate	$	10,119	$	12,454
Third party	90,677		58,819
Total wholesale marketing and terminalling	100,796		71,273
Operating costs and expenses:
Cost of goods sold	88,185		61,977
Operating expenses	2,203		2,724
Segment contribution margin	$	10,408	$	6,572
Capital spending (excluding business combinations)	$	654	$	378

Consolidated
Net sales:
Affiliate	$	36,619	$	38,760
Third party	92,854		65,296
Total consolidated	129,473		104,056
Operating costs and expenses:
Cost of goods sold	92,590		66,753
Operating expenses	10,358		10,464
Contribution margin	26,525		26,839
General and administrative expenses	2,848		2,913
Depreciation and amortization	5,193		4,996
Loss (gain) on asset disposals	12		(44		)
Operating income	$	18,472	$	18,974
Capital spending (excluding business combinations)	$	2,791	$	1,084

The following table summarizes the total assets for each segment as of March 31, 2017 and December 31, 2016 (in thousands).



	March 31, 2017		December 31, 2016
Pipelines and transportation	$	338,072	$	337,349
Wholesale marketing and terminalling	75,531		78,198
Total assets	$	413,603	$	415,547

Property, plant and equipment and accumulated depreciation as of March 31, 2017 and depreciation expense by reporting segment for the three months ended March 31, 2017 were as follows (in thousands):



	Pipelines and Transportation			Wholesale Marketing and Terminalling			Consolidated
Property, plant and equipment	$	281,918		$	63,254		$	345,172
Less: accumulated depreciation	(71,306		)	(24,957		)	(96,263		)
Property, plant and equipment, net	$	210,612		$	38,297		$	248,909
Depreciation expense	$	4,065		$	862		$	4,927