XML 69 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Property and Equipment - Property and Equipment-at Cost (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross $ 12,164 $ 10,476
Accumulated depreciation and amortization (8,028) (6,612)
Total property and equipment, net $ 4,136 3,864
Computer and other equipment    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 3 years  
Total property and equipment, gross $ 5,212 4,398
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross $ 1,495 1,491
Furniture and fixtures | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 5 years  
Furniture and fixtures | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 7 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property and equipment, gross $ 5,457 $ 4,587
Leasehold improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 5 years  
Leasehold improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Estimated Useful Life (Years) 11 years