Property, Plant and Equipment, Net (Notes)

3 Months Ended

Mar. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

7. Property, Plant and Equipment, Net

Property, plant and equipment, net was as follows:

	March 31, 2016			December 31, 2015
	(In thousands)
Buildings and improvements	$	33,052		$	33,052
Pipelines and related assets	255,498			247,792
Terminals and related assets	117,823			118,451
Asphalt plant, terminals and related assets	29,846			27,356
Wholesale and related assets	33,742			33,506
	469,961			460,157
Accumulated depreciation	(145,619		)	(138,906		)
Property, plant and equipment, net	$	324,342		$	321,251

Depreciation expense was $6.8 million and $5.6 million for the three months ended March 31, 2016 and 2015, respectively.