Reinsurance and Policy Benefits and Losses, Claims and Loss Expenses Payable (Table Text Block)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Abstract]
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Table Text Block]	Direct   Ceded to   Assumed   Net   Percentage of       (In thousands)   Year ended December 31, 2021                       Life insurance in force $ 1,029,537 $ 72 $ 328,030 $ 1,357,495   24 % Premiums earned:                       Life $ 56,353 $ 2 $ 4,514 $ 60,865   7 % Accident and health   48,385   160   1,166   49,391   2 % Annuity   444   –   327   771   42 % Property and casualty   89,667   –   –   89,667   – % Total $ 194,849 $ 162 $ 6,007 $ 200,694                               Year ended December 31, 2020                       Life insurance in force $ 1,031,634 $ 73 $ 356,266 $ 1,387,827   26 % Premiums earned:                       Life $ 58,048 $ 1 $ 5,049 $ 63,096   8 % Accident and health   57,081   211   1,388   58,258   2 % Annuity   221   –   34   255   13 % Property and casualty   70,285   –   –   70,285   – % Total $ 185,635 $ 212 $ 6,471 $ 191,894                               Year ended December 31, 2019                       Life insurance in force $ 957,280 $ 7 $ 441,563 $ 1,398,836   32 % Premiums earned:                       Life $ 53,289 $ 1 $ 5,629 $ 58,917   10 % Accident and health   66,863   226   1,563   68,200   2 % Annuity   65   –   794   859   92 % Property and casualty   69,126   –   15   69,141   – % Total$ 189,343 $ 227 $ 8,001 $ 197,117
Schedule of Effect of Reinsurance [Table Text Block]	December 31,     2021   2020     (In thousands) Unpaid losses and loss adjustment expense $ 159,162 $ 177,963 Reinsurance losses payable   1,217   979 Total $ 160,379 $ 178,942
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]	December 31,     2021   2020   2019     (In thousands) Balance at January 1 $ 177,963 $ 209,127 $ 228,970 Less: reinsurance recoverable   64,873   87,083   94,920 Net balance at January 1   113,090   122,044   134,050 Incurred related to:             Current year   28,980   20,670   22,137 Prior years   (6,290)   (3,865)   (9,535) Total incurred   22,690   16,805   12,602 Paid related to:             Current year   11,040   7,664   7,366 Prior years   12,972   18,095   17,242 Total paid   24,012   25,759   24,608 Net balance at December 31   111,768   113,090   122,044 Plus: reinsurance recoverable   47,394   64,873   87,083 Balance at December 31$ 159,162 $ 177,963 $ 209,127
Shortduration Insurance Contracts Claims Development [Table Text Block]	Cumulative Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance                                 As of                                 December 31, 2021                                 Total of                                     Incurred-but-                                     Not-Reported                                     Liabilities Plus                                     Expected   Cumulative                                 Development   Number of Accident                               on Reported   Reported Year   2015   2016   2017   2018   2019   2020   2021   Claims   Claims         (In thousands, except claim counts)     2015 $ 12,214 $ 12,459 $ 12,460 $ 12,464 $ 11,087 $ 11,092 $ 11,093 $ –   11,104 2016       13,297   13,011   13,056   11,790   11,764   11,764   –   11,469 2017           15,748   16,109   17,078   15,538   15,273   –   12,102 2018               19,580   18,386   18,027   17,157   251   11,983 2019                   22,138   26,316   27,316   2,283   11,746 2020                       20,671   17,485   3,455   11,274 2021                           28,982   12,709   13,729               Total  18,698
Shortduration Insurance Contracts Reconciliation Of Claims Development To Liability [Table Text Block]	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance     (In thousands) Accident                             Year   2015   2016   2017   2018   2019   2020   2021 2015 $ 7,509 $ 9,601 $ 9,730 $ 10,343 $ 11,087 $ 11,092 $ 11,093 2016       7,777   10,665   11,643   11,746   11,764   11,764 2017           8,970   11,638   14,825   15,012   15,263 2018               8,838   12,689   15,150   16,766 2019                   7,366   14,737   19,215 2020                       7,665   11,114 2021                           11,040                     Total   Total   96,255 All outstanding liabilities before 2015, net of reinsurance       78,955 Liabilities for claims and claim adjustment expenses, net of reinsurance    111,768	December 31, 2021     (In thousands) Liabilities for unpaid Property and Casualty claims     and claim adjustment expenses, net of reinsurance $ 111,768       Total reinsurance recoverable on unpaid     Property and Casualty claims $ 47,394       Total gross liability for unpaid Property and Casualty     claims and claim adjustment expense$ 159,162
Shortduration Insurance Contracts Schedule Of Historical Claims Duration [Table Text Block]	Average Annual Percentage Payout of Incurred Claims by Age, net of Reinsurance     (In percentages)   Years   1   2   3   4   5   6   7   Property and Casualty Insurance  50.4 % 21.7 % 12.2 % 4.3 % 2.8 % – % – %