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Properties and Equipment
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Properties and Equipment
Properties and Equipment 

The carrying amounts of our properties and equipment are as follows:
 
 
December 31,
2014
 
December 31,
2013
 
 
(In thousands)
Pipelines, terminals and tankage
 
$
1,137,157

 
$
1,077,037

Land and right of way
 
64,458

 
63,425

Construction in progress
 
56,228

 
50,454

Other
 
22,636

 
19,997

 
 
1,280,479

 
1,210,913

Less accumulated depreciation
 
300,000

 
253,099

 
 
$
980,479

 
$
957,814



We capitalized $1.5 million and $0.6 million in interest related to construction projects during the years ended December 31, 2014 and 2013, respectively.

Depreciation expense was $54.7 million, $58.1 million, and $50.1 million for the years ended December 31, 2014, 2013 and 2012, respectively, and includes depreciation of assets acquired under capital leases. Asset abandonment charges of $1.9 million, $6.2 million and $4.8 million for assets permanently removed from service were included in depreciation expense for the years ended December 31, 2014, 2013 and 2012, respectively.