Investments, Available for Sale Securities (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Fixed maturities [Abstract]
Original or amortized cost	$ 145,577,264	$ 146,017,864
Gross unrealized gains	12,693,648	20,173,780
Gross unrealized losses	(411,584)	(411,647)
Estimated fair value	157,859,328	165,779,997	[1]
Equity securities [Abstract]
Original or amortized cost	45,129,944	36,833,795
Estimated fair value	106,191,232	78,075,187	[1]
U.S. Government and Govt. Agencies and Authorities [Member]
Fixed maturities [Abstract]
Original or amortized cost	36,279,803	36,285,535
Gross unrealized gains	820,262	1,186,999
Gross unrealized losses	0	0
Estimated fair value	37,100,065	37,472,534
U.S. Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost	11,551,957	11,556,980
Gross unrealized gains	955,546	1,382,164
Gross unrealized losses	0	0
Estimated fair value	12,507,503	12,939,144
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost	97,745,504	98,175,349
Gross unrealized gains	10,917,840	17,604,617
Gross unrealized losses	(411,584)	(411,647)
Estimated fair value	$ 108,251,760	$ 115,368,319

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