Investments, Amortized Cost and Estimated Fair Values of Fixed Maturities (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Amortized Cost and Estimated Fair Values of Fixed Maturities [Abstract]
Total held to maturity, amortized cost	$ 688,439,360	$ 668,104,568
Held to maturity, gross unrealized gains	1,810,735	32,032,358
Held to maturity, gross unrealized losses	92,205,414	2,735,962
Held to maturity, estimated fair value	598,044,681	697,400,964
Total available for sale, amortized cost	571,912,727	523,293,046
Available for sale, gross unrealized gains	306,270	11,964,254
Available for sale, gross unrealized losses	48,427,066	2,628,285
Available for sale, estimated fair value	523,791,931	532,629,015
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Amortized Cost and Estimated Fair Values of Fixed Maturities [Abstract]
Total held to maturity, amortized cost	103,362,028	89,267,988
Held to maturity, gross unrealized gains	856	1,922,976
Held to maturity, gross unrealized losses	10,566,154	1,015,040
Held to maturity, estimated fair value	92,796,730	90,175,924
Total available for sale, amortized cost	68,537,456	32,501,080
Available for sale, gross unrealized gains	108,683	144,377
Available for sale, gross unrealized losses	5,124,827	460,831
Available for sale, estimated fair value	63,521,312	32,184,626
Obligations of States and Political Subdivisions [Member]
Amortized Cost and Estimated Fair Values of Fixed Maturities [Abstract]
Total held to maturity, amortized cost	382,097,461	371,435,776
Held to maturity, gross unrealized gains	1,809,879	17,856,745
Held to maturity, gross unrealized losses	60,494,134	948,113
Held to maturity, estimated fair value	323,413,206	388,344,408
Total available for sale, amortized cost	45,448,157	55,458,687
Available for sale, gross unrealized gains	33,994	2,002,035
Available for sale, gross unrealized losses	5,326,367	82,631
Available for sale, estimated fair value	40,155,784	57,378,091
Corporate Securities [Member]
Amortized Cost and Estimated Fair Values of Fixed Maturities [Abstract]
Total held to maturity, amortized cost	190,948,922	191,147,051
Held to maturity, gross unrealized gains	0	11,576,693
Held to maturity, gross unrealized losses	20,510,543	772,809
Held to maturity, estimated fair value	170,438,379	201,950,935
Total available for sale, amortized cost	218,040,945	215,668,644
Available for sale, gross unrealized gains	8,315	6,817,036
Available for sale, gross unrealized losses	15,211,215	874,405
Available for sale, estimated fair value	202,838,045	221,611,275
Mortgage-Backed Securities [Member]
Amortized Cost and Estimated Fair Values of Fixed Maturities [Abstract]
Total held to maturity, amortized cost	12,030,949	16,253,753
Held to maturity, gross unrealized gains	0	675,944
Held to maturity, gross unrealized losses	634,583	0
Held to maturity, estimated fair value	11,396,366	16,929,697
Total available for sale, amortized cost	239,886,169	219,664,635
Available for sale, gross unrealized gains	155,278	3,000,806
Available for sale, gross unrealized losses	22,764,657	1,210,418
Available for sale, estimated fair value	$ 217,276,790	$ 221,455,023

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity).

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