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Property, Plant and Equipment (tables)
3 Months Ended
Mar. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Table
A summary of the historical cost of property, plant and equipment is as follows:
thousands
 
Estimated Useful Life
 
March 31, 2015
(Restated)
 
December 31, 2014
Land
 
n/a
 
$
3,260

 
$
2,884

Gathering systems
 
3 to 47 years
 
5,232,882

 
4,972,892

Pipelines and equipment
 
15 to 45 years
 
135,916

 
151,107

Assets under construction
 
n/a
 
424,779

 
483,347

Other
 
3 to 40 years
 
18,077

 
16,420

Total property, plant and equipment
 
 
 
5,814,914

 
5,626,650

Accumulated depreciation
 
 
 
1,368,045

 
1,055,207

Net property, plant and equipment
 
 
 
$
4,446,869

 
$
4,571,443