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

Share-Based Compensation - Summary of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan (Detail)

v3.22.1
Share-Based Compensation - Summary of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan [Line Items]    
Stock options $ 416 $ 580
Share-based compensation 678 1,194
Previously Reported [Member]    
Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan [Line Items]    
Share-based compensation 678 1,230
Restricted Stock Units (RSUs) [Member]    
Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan [Line Items]    
Restricted Stock or Unit Expense 225 0
Restricted Stock [Member]    
Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan [Line Items]    
Restricted Stock or Unit Expense 0 540
PredaSAR [Member]    
Schedule of Compensation Cost for Share Based Payment Arrangements Allocation of Share Based Compensation Costs by Plan [Line Items]    
Restricted Stock or Unit Expense $ 37 $ 110