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Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property and equipment [Table Text Block]
Property and equipment consisted of the following at December 31:
in thousands
 
Estimated Useful Life
 
2015

 
2014

Computer software and hardware
 
1
to
7 years
 
$
46,207

 
$
49,069

Leasehold improvements
 
Up to term of lease
 
21,321

 
22,558

Transportation equipment
 
3
to
12 years
 
17,897

 
17,897

Office furniture and equipment
 
5
to
10 years
 
6,352

 
6,544

Total cost
 
 
 
 
 
91,777

 
96,068

Accumulated depreciation
 
 
 
 
 
(56,034
)
 
(57,430
)
Property and equipment, net
 
 
 
 
 
$
35,743

 
$
38,638