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Property, Plant and Equipment, Net
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
5. Property, Plant and Equipment, Net
Property, plant and equipment, net was as follows:
 
June 30,
2014
 
December 31,
2013
 
(In thousands)
Buildings and improvements
$
5,428

 
$
5,428

Pipelines and related assets
75,580

 
71,103

Terminals and related assets
104,334

 
103,361

Asphalt plant, terminals and related assets
22,714

 
22,714

 
208,056

 
202,606

Accumulated depreciation
(73,000
)
 
(66,289
)
 
135,056

 
136,317

Construction in progress
12,752

 
9,301

Property, plant and equipment, net
$
147,808

 
$
145,618


Depreciation expense was $3.5 million, $6.7 million, $2.9 million and $5.8 million for the three and six months ended June 30, 2014 and 2013, respectively.