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

Simple Retirement Account for Employees (the "Simple IRA") - Additional Information (Detail)

v3.21.1
Simple Retirement Account for Employees (the "Simple IRA") - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2011
Employee Benefit And Retirement Plans [Abstract]    
Individual retirement plan, coverage requirement, minimum compensation amount received during two preceding years $ 5,000  
Individual retirement plan, coverage requirement, minimum compensation amount reasonably expected to received $ 5,000  
Individual retirement plan, percentage of qualified compensation match 3.00%  
Compensation contributions under simple IRA $ 6,580 $ 0