Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Assets [Abstract]
Fixed maturities, at fair value	$ 73,123,864	$ 76,480,086	[1]
Equity securities, at fair value	258,785,598	234,506,227	[1]
U.S. Government and Government Agencies and Authorities [Member]
Assets [Abstract]
Fixed maturities, at fair value	22,107,678	20,882,294
Measured on a Recurring Basis [Member]
Assets [Abstract]
Fixed maturities, at fair value	73,123,864	76,480,086
Equity securities, at fair value	161,955,261	150,365,038
Short-term investments	989,525	1,954,687
Total financial assets	236,068,650	228,799,811
Measured on a Recurring Basis [Member] | U.S. Government and Government Agencies and Authorities [Member]
Assets [Abstract]
Fixed maturities, at fair value	22,107,678	20,882,294
Measured on a Recurring Basis [Member] | U.S. Special Revenue and Assessments [Member]
Assets [Abstract]
Fixed maturities, at fair value	7,403,525	7,234,191
Measured on a Recurring Basis [Member] | Corporate Securities [Member]
Assets [Abstract]
Fixed maturities, at fair value	43,612,661	48,363,601
Measured on a Recurring Basis [Member] | Common Stock [Member]
Assets [Abstract]
Equity securities, at fair value	77,566,195	67,710,442
Measured on a Recurring Basis [Member] | Limited Liability Companies [Member]
Assets [Abstract]
Equity securities, at fair value		82,654,596
Measured on a Recurring Basis [Member] | Preferred Stock [Member]
Assets [Abstract]
Equity securities, at fair value	84,389,066
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member]
Assets [Abstract]
Fixed maturities, at fair value	22,107,678	20,882,294
Equity securities, at fair value	68,294,274	59,125,859
Short-term investments	989,525	1,954,687
Total financial assets	91,391,477	81,962,840
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | U.S. Government and Government Agencies and Authorities [Member]
Assets [Abstract]
Fixed maturities, at fair value	22,107,678	20,882,294
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | U.S. Special Revenue and Assessments [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | Corporate Securities [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | Common Stock [Member]
Assets [Abstract]
Equity securities, at fair value	68,294,274	59,125,859
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | Limited Liability Companies [Member]
Assets [Abstract]
Equity securities, at fair value		0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 1 [Member] | Preferred Stock [Member]
Assets [Abstract]
Equity securities, at fair value	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member]
Assets [Abstract]
Fixed maturities, at fair value	51,016,186	55,597,792
Equity securities, at fair value	6,018,696	5,519,600
Short-term investments	0	0
Total financial assets	57,034,882	61,117,392
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | U.S. Government and Government Agencies and Authorities [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | U.S. Special Revenue and Assessments [Member]
Assets [Abstract]
Fixed maturities, at fair value	7,403,525	7,234,191
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | Corporate Securities [Member]
Assets [Abstract]
Fixed maturities, at fair value	43,612,661	48,363,601
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | Common Stock [Member]
Assets [Abstract]
Equity securities, at fair value	6,018,696	5,519,600
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | Limited Liability Companies [Member]
Assets [Abstract]
Equity securities, at fair value		0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 2 [Member] | Preferred Stock [Member]
Assets [Abstract]
Equity securities, at fair value	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Equity securities, at fair value	87,642,291	85,719,579
Short-term investments	0	0
Total financial assets	87,642,291	85,719,579
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | U.S. Government and Government Agencies and Authorities [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | U.S. Special Revenue and Assessments [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | Corporate Securities [Member]
Assets [Abstract]
Fixed maturities, at fair value	0	0
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | Common Stock [Member]
Assets [Abstract]
Equity securities, at fair value	3,253,225	3,064,983
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | Limited Liability Companies [Member]
Assets [Abstract]
Equity securities, at fair value		82,654,596
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Level 3 [Member] | Preferred Stock [Member]
Assets [Abstract]
Equity securities, at fair value	84,389,066
Measured on a Recurring Basis [Member] | Estimated Fair Value [Member] | Net Asset Value [Member]
Assets [Abstract]
Total financial assets	$ 96,830,337	$ 84,141,189

[1] Balance sheet audited at December 31, 2024.