Investments - Amortized Cost and Estimated Fair Values of Fixed Maturities (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Investments [Abstract]
Held to maturity, carrying value	$ 776,447,347	$ 705,713,916	$ 679,497,000
Held to maturity, allowance for credit losses	1,312,903	1,388,240	$ 1,326,000
Held to maturity, amortized cost	777,760,250	707,102,156
Held to maturity, gross unrealized gains	5,582,426	922,587
Held to maturity, gross unrealized losses	51,683,353	76,455,814
Held to maturity, estimated fair value	731,659,323	631,568,929
Total available for sale, amortized cost	650,370,011	652,564,965
Available for sale, gross unrealized gains	4,402,814	418,120
Available for sale, gross unrealized losses	14,050,050	35,091,223
Available for sale, estimated fair value	640,722,775	617,891,862
U.S. Treasury Securities and Obligations of U.S. Government Corporations and Agencies [Member]
Investments [Abstract]
Held to maturity, carrying value	79,242,467	86,579,024
Held to maturity, allowance for credit losses	47,257	51,632
Held to maturity, amortized cost	79,289,724	86,630,656
Held to maturity, gross unrealized gains	84,055	0
Held to maturity, gross unrealized losses	4,864,438	8,484,505
Held to maturity, estimated fair value	74,509,341	78,146,151
Total available for sale, amortized cost	25,057,361	87,514,016
Available for sale, gross unrealized gains	107,304	50,451
Available for sale, gross unrealized losses	835,267	3,771,832
Available for sale, estimated fair value	24,329,398	83,792,635
Obligations of States and Political Subdivisions [Member]
Investments [Abstract]
Held to maturity, carrying value	436,802,311	371,895,483
Held to maturity, allowance for credit losses	357,188	259,896
Held to maturity, amortized cost	437,159,499	372,155,379
Held to maturity, gross unrealized gains	3,221,019	649,770
Held to maturity, gross unrealized losses	39,248,172	54,062,089
Held to maturity, estimated fair value	401,132,346	318,743,060
Total available for sale, amortized cost	49,982,079	41,693,772
Available for sale, gross unrealized gains	504,540	9,435
Available for sale, gross unrealized losses	1,935,902	4,298,787
Available for sale, estimated fair value	48,550,717	37,404,420
Corporate Securities [Member]
Investments [Abstract]
Held to maturity, carrying value	252,098,474	236,550,262
Held to maturity, allowance for credit losses	903,506	1,070,337
Held to maturity, amortized cost	253,001,980	237,620,599
Held to maturity, gross unrealized gains	2,211,196	272,817
Held to maturity, gross unrealized losses	7,422,745	13,607,632
Held to maturity, estimated fair value	247,790,431	224,285,784
Total available for sale, amortized cost	132,203,204	211,059,119
Available for sale, gross unrealized gains	699,686	141,685
Available for sale, gross unrealized losses	1,978,429	8,269,108
Available for sale, estimated fair value	130,924,461	202,931,696
Mortgage-Backed Securities [Member]
Investments [Abstract]
Held to maturity, carrying value	8,304,095	10,689,147
Held to maturity, allowance for credit losses	4,952	6,375
Held to maturity, amortized cost	8,309,047	10,695,522
Held to maturity, gross unrealized gains	66,156	0
Held to maturity, gross unrealized losses	147,998	301,588
Held to maturity, estimated fair value	8,227,205	10,393,934
Total available for sale, amortized cost	443,127,367	312,298,058
Available for sale, gross unrealized gains	3,091,284	216,549
Available for sale, gross unrealized losses	9,300,452	18,751,496
Available for sale, estimated fair value	$ 436,918,199	$ 293,763,111

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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