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Investments, Aggregated by Type and Industry (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Investments aggregated by type and industry [Abstract]    
Estimated fair value $ 202,303 $ 260,986
Amortized cost total 234,510 238,597
Estimated fair value 13,667 19,124
Cost 4,906 4,907
Amortized cost of bonds on deposit with insurance regulatory authorities 11,002 11,169
Bonds Pledged as Collateral [Member] | FHLB Advances [Member]    
Investments aggregated by type and industry [Abstract]    
Amortized cost pledged as collateral to FHLB 7,253 5,371
Fixed Maturities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 202,303 260,986
Gross unrealized gains 581 23,106
Gross unrealized losses 32,788 717
Amortized cost total 234,510 238,597
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 43,069 50,298
Gross unrealized gains 0 763
Gross unrealized losses 5,950 416
Amortized cost total 49,019 49,951
Obligations of States and Political Subdivisions [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 9,151 11,644
Gross unrealized gains 12 749
Gross unrealized losses 1,749 0
Amortized cost total 10,888 10,895
Corporate Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 149,858 198,794
Gross unrealized gains 537 21,536
Gross unrealized losses 25,089 301
Amortized cost total 174,410 177,559
Corporate Securities [Member] | Utilities and Telecom [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 21,557 29,717
Gross unrealized gains 69 2,961
Gross unrealized losses 3,789 44
Amortized cost total 25,277 26,800
Corporate Securities [Member] | Financial Services [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 57,844 70,921
Gross unrealized gains 392 6,759
Gross unrealized losses 8,310 48
Amortized cost total 65,762 64,210
Corporate Securities [Member] | Other Business - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 29,125 40,216
Gross unrealized gains 57 4,631
Gross unrealized losses 5,534 106
Amortized cost total 34,602 35,691
Corporate Securities [Member] | Other Consumer - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 41,332 57,940
Gross unrealized gains 19 7,185
Gross unrealized losses 7,456 103
Amortized cost total 48,769 50,858
Redeemable Preferred Stocks [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 225 250
Gross unrealized gains 32 58
Gross unrealized losses 0 0
Amortized cost total 193 192
Redeemable Preferred Stocks [Member] | Other Consumer - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 225 250
Gross unrealized gains 32 58
Gross unrealized losses 0 0
Amortized cost total 193 192
Equity Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 13,667 19,124
Gross unrealized gains 8,761 14,217
Gross unrealized losses 0 0
Cost 4,906 4,907
Common and Non-redeemable Preferred Stocks [Member] | Financial Services [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 723 799
Gross unrealized gains 450 525
Gross unrealized losses 0 0
Cost 273 274
Common and Non-redeemable Preferred Stocks [Member] | Other Business - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 12,944 18,325
Gross unrealized gains 8,311 13,692
Gross unrealized losses 0 0
Cost $ 4,633 $ 4,633