Investments, Available for Sale Securities (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Fixed maturities [Abstract]
Original or amortized cost	$ 156,998,638	$ 159,959,855
Gross unrealized gains	19,722,309	11,705,047
Gross unrealized losses	0	(35,529)
Estimated fair value	176,720,947	171,629,373	[1]
Equity securities [Abstract]
Estimated fair value	65,588,029	78,661,793	[1]
U.S. Government and Govt. Agencies and Authorities [Member]
Fixed maturities [Abstract]
Original or amortized cost	44,789,865	35,761,440
Gross unrealized gains	1,418,625	402,832
Gross unrealized losses	0	(35,529)
Estimated fair value	46,208,490	36,128,743
U.S. Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost	14,356,937	14,371,263
Gross unrealized gains	1,487,743	832,100
Gross unrealized losses	0	0
Estimated fair value	15,844,680	15,203,363
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost	97,851,836	109,827,152
Gross unrealized gains	16,815,941	10,470,115
Gross unrealized losses	0	0
Estimated fair value	$ 114,667,777	$ 120,297,267

[1] Balance sheet audited at December 31, 2019.