Reinsurance and Policy Benefits and Losses, Claims and Loss Expenses Payable (Table Text Block)	12 Months Ended
	Mar. 31, 2023
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Abstract]
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Table Text Block]	Amount (a)   Companies   Companies   Amount (a)   Assumed to Net       (In thousands)   Year ended December 31, 2022                       Life insurance in force $ 970,454 $ 48 $ 304,891 $ 1,275,297   24 % Premiums earned:                       Life $ 52,298 $ 1 $ 4,181 $ 56,478   7 % Accident and health   41,354   152   983   42,185   2 % Annuity   80   –   406   486   84 % Property and casualty   96,242   –   –   96,242   – % Total $ 189,974 $ 153 $ 5,570 $ 195,391                               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
Schedule of Effect of Reinsurance [Table Text Block]	December 31,     2022   2021     (In thousands) Unpaid losses and loss adjustment expense $ 151,874 $ 159,162 Reinsurance losses payable   1,133   1,217 Total $ 153,007 $ 160,379
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]	December 31,     2022   2021   2020     (In thousands) Balance at January 1 $ 159,162 $ 177,963 $ 209,127 Less: reinsurance recoverable   47,394   64,873   87,083 Net balance at January 1   111,768   113,090   122,044 Incurred related to:             Current year   27,570   28,980   20,670 Prior years   (5,828)   (6,290)   (3,865) Total incurred   21,742   22,690   16,805 Paid related to:             Current year   10,572   11,040   7,664 Prior years   12,393   12,972   18,095 Total paid   22,965   24,012   25,759 Net balance at December 31   110,545   111,768   113,090 Plus: reinsurance recoverable   41,329   47,394   64,873 Balance at December 31$ 151,874 $ 159,162 $ 177,963
Shortduration Insurance Contracts Claims Development [Table Text Block]	Cumulative Incurred Claims and Allocated Claims Adjustment Expenses, Net of Reinsurance                                 As of                                 December 31, 2022                                 Total of                                     Incurred-but-                                     Not-Reported                                     Liabilities Plus                                     Expected   Cumulative                                 Development   Number of Accident                               on Reported   Reported Year   2016   2017   2018   2019   2020   2021   2022   Claims   Claims     (In thousands, except claim counts)     2016   13,297   13,011   13,056   11,790   11,764   11,764   11,750   –   11,681 2017       15,748   16,109   17,078   15,538   15,273   15,264   –   12,306 2018           19,580   18,386   18,027   17,157   16,819   –   12,182 2019               22,138   26,316   27,316   27,831   1,663   12,026 2020                   20,671   17,485   17,107   3,653   11,530 2021                       28,982   25,337   5,809   14,150 2022                           27,570   11,076   12,860               Total  22,201
Shortduration Insurance Contracts Reconciliation Of Claims Development To Liability [Table Text Block]	Cumulative Paid Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance           Accident                             Year   2016   2017   2018   2019   2020   2021   2022 2016   7,777   10,665   11,643   11,746   11,764   11,764   11,750 2017       8,970   11,638   14,825   15,012   15,263   15,264 2018           8,838   12,689   15,150   16,766   16,809 2019               7,366   14,737   19,215   21,598 2020                   7,665   11,114   12,521 2021                       11,040   14,831 2022                           10,572                     Total   Total   103,345 All outstanding liabilities before 2016, net of reinsurance       72,211 Liabilities for claims and claim adjustment expenses, net of reinsurance    110,545
Shortduration Insurance Contracts Schedule Of Historical Claims Duration [Table Text Block]	December 31, 2022     (In thousands) Liabilities for unpaid Property and Casualty claims     and claim adjustment expenses, net of reinsurance $ 110,545       Total reinsurance recoverable on unpaid     Property and Casualty claims $ 41,329       Total gross liability for unpaid Property and Casualty     claims and claim adjustment expense$ 151,874