Investments, Available for Sale Security (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Fixed maturities [Abstract]
Original or amortized cost	$ 159,912,511	$ 170,595,860
Estimated fair value	178,555,225	187,239,718
Equity securities [Abstract]
Original or amortized cost	35,712,633	37,014,712
Gross unrealized gains	23,648,201	15,214,862
Gross unrealized losses	(512,343)	(522,471)
Estimated fair value	58,848,491	51,707,103
Total [Abstract]
Original or amortized cost	195,625,144	207,610,572
Gross unrealized gains	42,662,608	33,526,923
Gross unrealized losses	(884,036)	(2,190,674)
Estimated fair value	237,403,716	238,946,821
Debt Securities [Member]
Fixed maturities [Abstract]
Original or amortized cost	159,912,511	170,595,860
Gross unrealized gains	19,014,407	18,312,061
Gross unrealized losses	(371,693)	(1,668,203)
Estimated fair value	178,555,225	187,239,718
U.S. Government and Govt. Agencies and Authorities [Member]
Fixed maturities [Abstract]
Original or amortized cost	2,679,325	9,058,210
Gross unrealized gains	33,802	74,581
Gross unrealized losses	(73,530)	(96,981)
Estimated fair value	2,639,597	9,035,810
US Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost	9,012,232	10,145,531
Gross unrealized gains	620,789	1,002,789
Gross unrealized losses	0	(14,043)
Estimated fair value	9,633,021	11,134,277
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost	148,220,954	151,392,119
Gross unrealized gains	18,359,816	17,234,691
Gross unrealized losses	(298,163)	(1,557,179)
Estimated fair value	$ 166,282,607	$ 167,069,631