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Property And Equipment
9 Months Ended
Sep. 30, 2011
Property And Equipment [Abstract] 
Property And Equipment
9. Property and Equipment
 
Property and equipment are recorded at cost and consist of the following (dollars in thousands):
 
 
 
Estimated
 
 
 
 
 
 
 
 
 
Useful Life
 
 
September 30,
 
 
December 31,
 
 
 
(Years)
 
 
2011
 
 
2010
 
Computer equipment
 
 
35
 
 
$
39,483
 
 
$
32,525
 
Office equipment
 
 
5
 
 
 
4,396
 
 
 
3,784
 
Furniture and fixtures
 
 
5
 
 
 
3,535
 
 
 
3,378
 
Leasehold improvements
 
 
313
 
 
 
3,745
 
 
 
3,361
 
 
 
 
 
 
 
 
   
 
 
 
 
Total property and equipment, gross
 
 
 
 
 
 
51,159
 
 
 
43,048
 
Less: Accumulated depreciation
 
 
 
 
 
 
(30,379
)
 
 
(24,173
)
 
 
 
 
 
 
 
   
 
 
 
 
Total property and equipment, net
 
 
 
 
 
$
20,780
 
 
$
18,875
 

        Depreciation expense related to property and equipment for the three and nine months ended September 30, 2011 and 2010 is as follows (in thousands):
 
 
 
Three Months Ended September 30,
 
 
Nine Months Ended September 30,
 
 
 
2011
 
 
2010
 
 
2011
 
 
2010
 
Depreciation expense
 
$
2,276
   
$
1,890
 
 
$
6,438
 
 
$
5,805