Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

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Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Property and equipment, cost:    
Property and equipment, gross $ 40,073 $ 33,947
Less accumulated depreciation and amortization (27,307) (22,156)
Property and equipment, net 12,766 11,791
Office furniture and fixtures
   
Property and equipment, cost:    
Property and equipment, gross 4,266 3,613
Office furniture and fixtures | Minimum
   
Property and equipment, cost:    
Estimated Useful Life 5 years  
Office furniture and fixtures | Maximum
   
Property and equipment, cost:    
Estimated Useful Life 7 years  
Computer equipment and software
   
Property and equipment, cost:    
Estimated Useful Life 3 years  
Property and equipment, gross 26,910 22,098
Other office equipment
   
Property and equipment, cost:    
Estimated Useful Life 5 years  
Property and equipment, gross 598 598
Leasehold improvements
   
Property and equipment, cost:    
Property and equipment, gross $ 8,299 $ 7,638