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Investments, Aggregated by Type and Industry (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Investments aggregated by type and industry [Abstract]    
Estimated fair value $ 208,729 $ 260,986
Amortized cost total 236,766 238,597
Estimated fair value 11,562 19,124
Cost 4,907 4,907
Amortized cost of bonds on deposit with insurance regulatory authorities 12,333 11,169
Bonds Pledged as Collateral [Member] | FHLB Advances [Member]    
Investments aggregated by type and industry [Abstract]    
Amortized cost pledged as collateral to FHLB 7,221 5,371
Fixed Maturities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 208,729 260,986
Gross unrealized gains 753 23,106
Gross unrealized losses 28,790 717
Amortized cost total 236,766 238,597
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 44,412 50,298
Gross unrealized gains 5 763
Gross unrealized losses 5,926 416
Amortized cost total 50,333 49,951
Obligations of States and Political Subdivisions [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 9,187 11,644
Gross unrealized gains 4 749
Gross unrealized losses 1,702 0
Amortized cost total 10,885 10,895
Corporate Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 154,907 198,794
Gross unrealized gains 713 21,536
Gross unrealized losses 21,162 301
Amortized cost total 175,356 177,559
Corporate Securities [Member] | Utilities and Telecom [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 22,090 29,717
Gross unrealized gains 120 2,961
Gross unrealized losses 3,299 44
Amortized cost total 25,269 26,800
Corporate Securities [Member] | Financial Services [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 59,054 70,921
Gross unrealized gains 397 6,759
Gross unrealized losses 7,085 48
Amortized cost total 65,742 64,210
Corporate Securities [Member] | Other Business - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 31,058 40,216
Gross unrealized gains 161 4,631
Gross unrealized losses 4,689 106
Amortized cost total 35,586 35,691
Corporate Securities [Member] | Other Consumer - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 42,705 57,940
Gross unrealized gains 35 7,185
Gross unrealized losses 6,089 103
Amortized cost total 48,759 50,858
Redeemable Preferred Stocks [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 223 250
Gross unrealized gains 31 58
Gross unrealized losses 0 0
Amortized cost total 192 192
Redeemable Preferred Stocks [Member] | Other Consumer - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 223 250
Gross unrealized gains 31 58
Gross unrealized losses 0 0
Amortized cost total 192 192
Equity Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 11,562 19,124
Gross unrealized gains 6,655 14,217
Gross unrealized losses 0 0
Cost 4,907 4,907
Common and Non-redeemable Preferred Stocks [Member] | Financial Services [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 790 799
Gross unrealized gains 516 525
Gross unrealized losses 0 0
Cost 274 274
Common and Non-redeemable Preferred Stocks [Member] | Other Business - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 10,772 18,325
Gross unrealized gains 6,139 13,692
Gross unrealized losses 0 0
Cost $ 4,633 $ 4,633