General form of registration statement for all companies including face-amount certificate companies

Stock-Based Compensation - Summary of the Stock Based Compensation Expense based on Roles and Responsibilities of the Employees (Detail)

v3.21.2
Stock-Based Compensation - Summary of the Stock Based Compensation Expense based on Roles and Responsibilities of the Employees (Detail) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense $ 4,501 $ 920 $ 2,160 $ 1,890
Cost of revenue        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense 44 17 39 35
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense 1,253 443 1,000 827
Sales and marketing        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense 728 145 327 246
General and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Share-based Payment Arrangement, Expense $ 2,476 $ 315 $ 794 $ 782