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

Stock-Based Compensation Expense - Schedule Of Share Based Compensation Restricted Stock Units Award Activity (Detail)

v3.22.1
Stock-Based Compensation Expense - Schedule Of Share Based Compensation Restricted Stock Units Award Activity (Detail) - Restricted stock units [Member] - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted 4,600,000 0 53,900,000
Two Thousand Seventeen and Two Thousand Twenty One Equity Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Shares, Beginning Balance 53,238,391 0 0
Granted     53,936,290
Canceled     (21,619)
Forfeited     (676,280)
Number of Shares, Ending Balance     53,238,391
Weighted Average Grant Date Fair Value, Beginning Balance $ 6.87 $ 0 $ 0
Granted     $ 6.88
Canceled     (8.16)
Forfeited     $ (7.57)
Weighted Average Grant Date Fair Value, Ending Balance     $ 6.87