Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Stock-based Compensation Expense Recognized in Income Statement (Details)

v3.19.3.a.u2
Stockholders' Equity - Summary of Stock-based Compensation Expense Recognized in Income Statement (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Class Of Stock [Line Items]      
Stock-based compensation expense $ 9,129 $ 12,790 $ 9,640
Cost of Revenue      
Class Of Stock [Line Items]      
Stock-based compensation expense 890 1,060 845
Research and Development      
Class Of Stock [Line Items]      
Stock-based compensation expense 1,100 1,314 1,015
Sales and Marketing      
Class Of Stock [Line Items]      
Stock-based compensation expense 1,755 2,355 1,558
General and Administrative      
Class Of Stock [Line Items]      
Stock-based compensation expense $ 5,384 $ 8,061 $ 6,222