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

Equity Based Awards - Summary of Option Activity Under The Plan For The Year (Detail)

v3.21.2
Equity Based Awards - Summary of Option Activity Under The Plan For The Year (Detail) - 2013 Stock Plan [Member] - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares, Outstanding 19,420,305 13,162,473  
Granted   9,890,563  
Exercised (857,343) (2,231,540) (240,875)
Forfeited (163,894) (1,401,191)  
Number of Shares, Outstanding 18,399,068 19,420,305 13,162,473
Number of Shares, Options exercisable 5,648,643 4,700,993 4,561,561
Weighted-Average Exercise Price, Outstanding $ 1.72   $ 1.16
Granted   $ 2.06  
Exercised 0.49 0.42  
Forfeited 1.91 1.08  
Weighted-Average Exercise Price, Outstanding 1.78 1.72  
Weighted-Average Exercise Price, Options exercisable $ 1.31 $ 0.98 $ 0.37
Weighted-Average Remaining Contractual Life, Outstanding 8 years 3 months 29 days 8 years 8 months 15 days 7 years 6 months 3 days
Weighted-Average Remaining Contractual Life, exercisable 7 years 25 days 6 years 10 months 2 days 4 years 1 month 20 days