Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v3.6.0.2
Property and Equipment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Property and equipment, cost:      
Property and equipment, gross $ 78,485 $ 66,061  
Less accumulated depreciation and amortization (45,485) (37,380)  
Property and equipment, net 33,000 28,681  
Cost written off 8,123 5,944  
Accumulated depreciation written off (7,725) (5,944)  
Loss on disposal 398    
Increase in cost of aquired property and equipment 3,922    
Depreciation and amortization expense $ 14,838 7,668 $ 5,910
Computer equipment and software      
Property and equipment, cost:      
Estimated Useful Life 3 years    
Property and equipment, gross $ 52,921 44,470  
Cost written off 6,593 5,749  
Accumulated depreciation written off (6,498) (5,749)  
Office furniture and fixtures      
Property and equipment, cost:      
Property and equipment, gross 6,911 5,785  
Cost written off 225 106  
Accumulated depreciation written off $ (206) (106)  
Office furniture and fixtures | Minimum      
Property and equipment, cost:      
Estimated Useful Life 3 years    
Office furniture and fixtures | Maximum      
Property and equipment, cost:      
Estimated Useful Life 7 years    
Other office equipment      
Property and equipment, cost:      
Property and equipment, gross $ 1,367 683  
Cost written off 1,175 68  
Accumulated depreciation written off $ (916) (68)  
Other office equipment | Minimum      
Property and equipment, cost:      
Estimated Useful Life 3 years    
Other office equipment | Maximum      
Property and equipment, cost:      
Estimated Useful Life 5 years    
Leasehold improvements      
Property and equipment, cost:      
Property and equipment, gross $ 17,286 15,123  
Cost written off 130 21  
Accumulated depreciation written off $ (105) $ (21)