v3.19.1
Property and Equipment Net - Summary of Property and Equipment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Property plant and equipment , Gross $ 10,749 $ 7,412
Less: Accumulated depreciation and amortization (6,268) (5,283)
Property plant and equipment , Net 4,481 2,129
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment 2,459 1,917
Software [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment 6,419 4,238
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment 1,053 791
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property plant and equipment $ 818 $ 466