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

Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award (Details)

v3.21.2
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense $ 477 $ 563 $ 1,314 $ 1,381 $ 2,187 $ 965
R S Usand Restricted Stock [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense         176 243
Performance Shares [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense         265
Share-based Payment Arrangement [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense         116
Share-based Payment Arrangement, Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Total stock-based compensation expense         $ 1,630 $ 722