Quarterly report pursuant to Section 13 or 15(d)

Property, Equipment and Software (Details)

v3.19.1
Property, Equipment and Software (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Property, Plant and Equipment [Line Items]      
Property, equipment and software, gross $ 46,495   $ 44,157
Less accumulated depreciation (28,114)   (26,675)
Property, equipment, and software, net 18,381   17,482
Depreciation expense 1,400 $ 1,100  
Furniture and fixtures      
Property, Plant and Equipment [Line Items]      
Property, equipment and software, gross $ 2,254   2,254
Furniture and fixtures | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 2 years    
Furniture and fixtures | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 7 years    
Equipment      
Property, Plant and Equipment [Line Items]      
Property, equipment and software, gross $ 8,243   8,164
Equipment | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 3 years    
Equipment | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 7 years    
Computer software      
Property, Plant and Equipment [Line Items]      
Property, equipment and software, gross $ 30,055   27,804
Computer software | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 3 years    
Computer software | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 5 years    
Leasehold improvements      
Property, Plant and Equipment [Line Items]      
Property, equipment and software, gross $ 5,943   $ 5,935
Leasehold improvements | Minimum      
Property, Plant and Equipment [Line Items]      
Useful Life 5 years    
Leasehold improvements | Maximum      
Property, Plant and Equipment [Line Items]      
Useful Life 10 years