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

General (Details) - Schedule of reconciliation of cash, cash equivalents, and restricted cash

v3.21.2
General (Details) - Schedule of reconciliation of cash, cash equivalents, and restricted cash - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Schedule of reconciliation of cash, cash equivalents, and restricted cash [Abstract]      
Cash and cash equivalents $ 690 $ 1,500  
Restricted cash 624 1,180 $ 2,389
Total cash, cash equivalents, and restricted cash shown in the cash flow statement $ 1,314 $ 2,680