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

Redeemable Convertible Preferred Stock (Detail)

v3.21.2
Redeemable Convertible Preferred Stock (Detail) - USD ($)
$ / shares in Units, $ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Temporary Equity [Line Items]      
Shares Authorized 105,500,526 105,500,526 105,500,526
Shares Issued 99,608,293 96,252,623 92,613,015
Shares Outstanding 99,608,293 96,252,623 92,613,015
Aggregate Liquidation Preference $ 834,679 $ 769,679 $ 699,179
Net Carrying Value $ 845,931 $ 768,312 $ 698,452
Series Seed-1 Preferred Stock [Member]      
Temporary Equity [Line Items]      
Shares Authorized 6,950,729 6,950,729 6,950,729
Shares Issued 6,950,729 6,950,729 6,950,729
Shares Outstanding   6,950,729 6,950,729
Original Issue Price 0.6167 0.6167 0.6167
Aggregate Liquidation Preference $ 4,287 $ 4,287 $ 4,287
Net Carrying Value $ 4,287 $ 4,287 $ 4,287
Series Seed-2 Preferred Stock [Member]      
Temporary Equity [Line Items]      
Shares Authorized 12,298,893 12,298,893 12,298,893
Shares Issued 12,298,893 12,298,893 12,298,893
Shares Outstanding   12,298,893 12,298,893
Original Issue Price 0.6167 0.6167 0.6167
Aggregate Liquidation Preference $ 7,585 $ 7,585 $ 7,585
Net Carrying Value $ 7,585 $ 7,585 $ 7,585
Series A Preferred Stock [Member]      
Temporary Equity [Line Items]      
Shares Authorized 21,418,756 21,418,756 21,418,756
Shares Issued 21,418,756 21,418,756  
Shares Outstanding   21,418,756 21,418,756
Original Issue Price 0.7594 0.7594 0.7594
Aggregate Liquidation Preference $ 16,265 $ 16,265 $ 16,265
Net Carrying Value $ 16,040 $ 16,040 $ 16,040
Series B Preferred Stock [Member]      
Temporary Equity [Line Items]      
Shares Authorized 22,652,737 22,652,737 22,652,737
Shares Issued 22,444,315 22,444,315 22,444,315
Shares Outstanding   22,444,315 22,444,315
Original Issue Price 4.4383 4.4383 4.4383
Aggregate Liquidation Preference $ 99,615 $ 99,615 $ 99,615
Net Carrying Value $ 99,398 $ 99,398 $ 99,398
Series C Preferred Stock [Member]      
Temporary Equity [Line Items]      
Shares Authorized 42,179,411 42,179,411 42,179,411
Shares Issued 36,495,600 33,139,930 29,500,322
Shares Outstanding   33,139,930 29,500,322
Original Issue Price 19.3702 19.3702 19.3702
Aggregate Liquidation Preference $ 706,927 $ 641,927 $ 571,427
Net Carrying Value $ 718,621 $ 641,002 $ 571,142