Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v2.4.0.6
Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Cost:    
Property and equipment, gross $ 33,947 $ 28,086
Less accumulated depreciation and amortization (22,156) (16,995)
Property and equipment, net 11,791 11,091
Office furniture and fixtures [Member]
   
Cost:    
Property and equipment, gross 3,613 2,713
Computer equipment and software [Member]
   
Cost:    
Estimated Useful Life 3 years  
Property and equipment, gross 22,098 18,942
Other office equipment [Member]
   
Cost:    
Estimated Useful Life 5 years  
Property and equipment, gross 598 598
Leasehold improvements [Member]
   
Cost:    
Estimated Useful Life Shorter of the lease term or useful life of the asset  
Property and equipment, gross $ 7,638 $ 5,833
Minimum [Member] | Office furniture and fixtures [Member]
   
Cost:    
Estimated Useful Life 5 years  
Maximum [Member] | Office furniture and fixtures [Member]
   
Cost:    
Estimated Useful Life 7 years