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

Company and Nature of Business - Additional Information (Detail)

v3.21.2
Company and Nature of Business - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Aug. 10, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Proceeds from convertible promissory notes issued   $ 74,972     $ 12,267  
Proceeds from issuance of redeemable convertible preferred stock     $ 69,860 $ 69,860 454,260  
Company incorporation date of incorporation Nov. 21, 2016 Nov. 21, 2016        
Subsequent Event [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Share price           $ 10.00
Pre transaction equity value           $ 5,000,000
Series C Preferred Stock [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Proceeds from convertible promissory notes issued         11,200  
Proceeds from issuance of redeemable convertible preferred stock         $ 454,500  
Proceeds from Issuance of Preferred Stock   $ 75,000   $ 70,500