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Investments, Aggregated by Type and Industry (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Investments aggregated by type and industry [Abstract]    
Estimated fair value $ 219,282 $ 260,986
Amortized cost total 238,401 238,597
Estimated fair value 16,450 19,124
Cost 4,906 4,907
Amortized cost of bonds on deposit with insurance regulatory authorities 11,049 11,169
Bonds Pledged as Collateral [Member] | FHLB Advances [Member]    
Investments aggregated by type and industry [Abstract]    
Amortized cost pledged as collateral to FHLB 7,872 5,371
Fixed Maturities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 219,282 260,986
Gross unrealized gains 1,460 23,106
Gross unrealized losses 20,579 717
Amortized cost total 238,401 238,597
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 45,353 50,298
Gross unrealized gains 0 763
Gross unrealized losses 3,968 416
Amortized cost total 49,321 49,951
Obligations of States and Political Subdivisions [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 9,825 11,644
Gross unrealized gains 179 749
Gross unrealized losses 1,244 0
Amortized cost total 10,890 10,895
Corporate Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 163,873 198,794
Gross unrealized gains 1,243 21,536
Gross unrealized losses 15,367 301
Amortized cost total 177,997 177,559
Corporate Securities [Member] | Utilities and Telecom [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 24,779 29,717
Gross unrealized gains 496 2,961
Gross unrealized losses 2,500 44
Amortized cost total 26,783 26,800
Corporate Securities [Member] | Financial Services [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 61,193 70,921
Gross unrealized gains 551 6,759
Gross unrealized losses 5,124 48
Amortized cost total 65,766 64,210
Corporate Securities [Member] | Other Business - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 31,375 40,216
Gross unrealized gains 108 4,631
Gross unrealized losses 3,350 106
Amortized cost total 34,617 35,691
Corporate Securities [Member] | Other Consumer - Diversified [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 46,526 57,940
Gross unrealized gains 88 7,185
Gross unrealized losses 4,393 103
Amortized cost total 50,831 50,858
Redeemable Preferred Stocks [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 231 250
Gross unrealized gains 38 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 231 250
Gross unrealized gains 38 58
Gross unrealized losses 0 0
Amortized cost total 193 192
Equity Securities [Member]    
Investments aggregated by type and industry [Abstract]    
Estimated fair value 16,450 19,124
Gross unrealized gains 11,544 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 721 799
Gross unrealized gains 448 525
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 15,729 18,325
Gross unrealized gains 11,096 13,692
Gross unrealized losses 0 0
Cost $ 4,633 $ 4,633