Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details)

v3.20.2
Property and Equipment, Net (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Cost:          
Property and equipment, gross $ 132,073   $ 132,073   $ 128,104
Less: accumulated depreciation and amortization (83,090)   (83,090)   (74,348)
Total property and equipment, net 48,983   48,983   53,756
Depreciation and amortization expense 5,341 $ 4,693 $ 16,021 $ 15,810  
Computer equipment and software          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     3 years    
Cost:          
Property and equipment, gross 72,572   $ 72,572   72,190
Leasehold improvements          
Cost:          
Property and equipment, gross 37,840   37,840   34,645
Office furniture and fixtures          
Cost:          
Property and equipment, gross 11,036   $ 11,036   10,832
Office furniture and fixtures | Minimum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     3 years    
Office furniture and fixtures | Maximum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     7 years    
Office equipment and other          
Cost:          
Property and equipment, gross 7,016   $ 7,016   6,850
Office equipment and other | Minimum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     3 years    
Office equipment and other | Maximum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     5 years    
Building and building improvements          
Cost:          
Property and equipment, gross 2,669   $ 2,669   2,647
Building and building improvements | Minimum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     7 years    
Building and building improvements | Maximum          
Property, Plant and Equipment [Line Items]          
Estimated Useful Life     39 years    
Land          
Cost:          
Property and equipment, gross $ 940   $ 940   $ 940