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Property Plant and Equipment Property Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2016
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and equipment consisted of the following:
 
Useful life
 
As of March 31, 2016
 
As of December 31, 2015
Non-communications:
 
 
 
 
 
Computer equipment and software
1-5 years
 
$
92,035

 
89,093

Office furniture and equipment
3-7 years
 
12,415

 
12,638

Building and building improvements
5-39 years
 
12,239

 
12,239

Transportation equipment
4-10 years
 
3,868

 
3,868

Leasehold improvements
5-20 years
 
3,332

 
3,545

Land
 
700

 
700

Construction in progress
 
9,877

 
1,210

 
 
 
134,466

 
123,293

Accumulated depreciation - non-communications
 
 
80,335

 
77,188

Non-communications, net property and equipment
 
 
54,131

 
46,105

 
 
 
 
 
 
Communications:
 
 
 
 
 
Network plant and fiber
5-15 years
 
24,868

 
25,669

Customer located property
5-10 years
 
3,776

 
6,912

Central office
5-15 years
 
3,207

 
909

Other
1-20 years
 
1,754

 
887

Construction in progress
 
1,752

 

 
 
 
35,357

 
34,377

Accumulated depreciation - communications
 
 
780

 

Communications, net property and equipment
 
 
34,577

 
34,377

Total property and equipment, net
 
 
$
88,708

 
80,482