Investments, Aggregated by Type and Industry (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments aggregated by type and industry [Abstract]
Estimated fair value	$ 203,068	$ 208,729
Allowance for credit losses	0	0
Amortized cost total	237,213	236,766
Estimated fair value	8,224	11,562
Cost	4,936	4,907
Amortized cost of bonds on deposit with insurance regulatory authorities	11,778	12,333
Bonds Pledged as Collateral [Member] | FHLB Advances [Member]
Investments aggregated by type and industry [Abstract]
Amortized cost pledged as collateral to FHLB	6,883	7,221
Fixed Maturities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	203,068	208,729
Gross unrealized gains	491	753
Gross unrealized losses	34,636	28,790
Allowance for credit losses	0
Amortized cost total	237,213	236,766
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	47,576	44,412
Gross unrealized gains	1	5
Gross unrealized losses	6,595	5,926
Allowance for credit losses	0
Amortized cost total	54,170	50,333
Obligations of States and Political Subdivisions [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	7,570	9,187
Gross unrealized gains	0	4
Gross unrealized losses	1,947	1,702
Allowance for credit losses	0
Amortized cost total	9,517	10,885
Corporate Securities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	147,698	154,907
Gross unrealized gains	459	713
Gross unrealized losses	26,094	21,162
Allowance for credit losses	0
Amortized cost total	173,333	175,356
Corporate Securities [Member] | Utilities and Telecom [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	19,693	22,090
Gross unrealized gains	0	120
Gross unrealized losses	4,064	3,299
Allowance for credit losses	0
Amortized cost total	23,757	25,269
Corporate Securities [Member] | Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	55,897	59,054
Gross unrealized gains	369	397
Gross unrealized losses	8,212	7,085
Allowance for credit losses	0
Amortized cost total	63,740	65,742
Corporate Securities [Member] | Other Business - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	31,035	31,058
Gross unrealized gains	87	161
Gross unrealized losses	5,524	4,689
Allowance for credit losses	0
Amortized cost total	36,472	35,586
Corporate Securities [Member] | Other Consumer - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	41,073	42,705
Gross unrealized gains	3	35
Gross unrealized losses	8,294	6,089
Allowance for credit losses	0
Amortized cost total	49,364	48,759
Redeemable Preferred Stocks [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	224	223
Gross unrealized gains	31	31
Gross unrealized losses	0	0
Allowance for credit losses	0
Amortized cost total	193
Redeemable Preferred Stocks [Member] | Other Consumer - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	224	223
Gross unrealized gains	31	31
Gross unrealized losses	0	0
Allowance for credit losses	0
Amortized cost total	193	192
Equity Securities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	8,224	11,562
Gross unrealized gains	3,288	6,655
Gross unrealized losses	0	0
Cost	4,936	4,907
Common and Non-redeemable Preferred Stocks [Member] | Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	880	790
Gross unrealized gains	577	516
Gross unrealized losses	0	0
Cost	303	274
Common and Non-redeemable Preferred Stocks [Member] | Other Business - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	7,344	10,772
Gross unrealized gains	2,711	6,139
Gross unrealized losses	0	0
Cost	$ 4,633	$ 4,633