Investments, Aggregated by Type and Industry (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Investments aggregated by type and industry [Abstract]
Estimated fair value	$ 221,696	$ 218,219
Allowance for credit losses	0	0
Amortized cost total	237,207	238,626
Estimated fair value	7,800	9,413
Cost	4,940	4,936
Bonds Pledged as Collateral [Member] | FHLB Advances [Member]
Investments aggregated by type and industry [Abstract]
Amortized cost pledged as collateral to FHLB	9,282	9,584
Bonds [Member]
Investments aggregated by type and industry [Abstract]
Assets held with insurance regulatory authorities	14,720	14,647
Cash and Cash Equivalents [Member]
Investments aggregated by type and industry [Abstract]
Assets held with insurance regulatory authorities	226	226
Fixed Maturities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	221,696	218,219
Gross unrealized gains	1,915	1,284
Gross unrealized losses	17,426	21,691
Allowance for credit losses	0	0
Amortized cost total	237,207	238,626
U.S. Treasury Securities and Obligations of U.S. Government Agencies and Authorities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	47,712	50,059
Gross unrealized gains	114	63
Gross unrealized losses	3,802	4,944
Allowance for credit losses	0	0
Amortized cost total	51,400	54,940
Obligations of States and Political Subdivisions [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	7,998	8,106
Gross unrealized gains	31	15
Gross unrealized losses	1,166	1,424
Allowance for credit losses	0	0
Amortized cost total	9,133	9,515
Corporate Securities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	165,766	159,849
Gross unrealized gains	1,743	1,193
Gross unrealized losses	12,458	15,323
Allowance for credit losses	0	0
Amortized cost total	176,481	173,979
Corporate Securities [Member] | Utilities and Telecom [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	23,997	21,309
Gross unrealized gains	343	143
Gross unrealized losses	2,310	2,582
Allowance for credit losses	0	0
Amortized cost total	25,964	23,748
Corporate Securities [Member] | Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	60,596	59,584
Gross unrealized gains	811	560
Gross unrealized losses	3,323	4,931
Allowance for credit losses	0	0
Amortized cost total	63,108	63,955
Corporate Securities [Member] | Other Business - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	35,873	34,386
Gross unrealized gains	434	403
Gross unrealized losses	2,450	2,940
Allowance for credit losses	0	0
Amortized cost total	37,889	36,923
Corporate Securities [Member] | Other Consumer - Diversified [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	45,300	44,570
Gross unrealized gains	155	87
Gross unrealized losses	4,375	4,870
Allowance for credit losses	0	0
Amortized cost total	49,520	49,353
Redeemable Preferred Stocks [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	220	205
Gross unrealized gains	27	13
Gross unrealized losses	0	0
Allowance for credit 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	220	205
Gross unrealized gains	27	13
Gross unrealized losses	0	0
Allowance for credit losses	0	0
Amortized cost total	193	192
Equity Securities [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	7,800	9,413
Gross unrealized gains	2,860	4,477
Gross unrealized losses	0	0
Cost	4,940	4,936
Common and Non-redeemable Preferred Stocks [Member] | Financial Services [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	1,105	924
Gross unrealized gains	798	621
Gross unrealized losses	0	0
Cost	307	303
Common and Non-redeemable Preferred Stocks [Member] | Communications [Member]
Investments aggregated by type and industry [Abstract]
Estimated fair value	6,695	8,489
Gross unrealized gains	2,062	3,856
Gross unrealized losses	0	0
Cost	$ 4,633	$ 4,633