Investments, Available for Sale Securities (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Fixed maturities [Abstract]
Original or amortized cost	$ 168,088,959	$ 170,595,860
Gross unrealized gains	21,838,478	18,312,061
Gross unrealized losses	(534,809)	(1,668,203)
Estimated fair value	189,392,628	187,239,718
Equity securities [Abstract]
Original or amortized cost	38,166,461	37,014,712
Gross unrealized gains	16,885,577	15,214,862
Gross unrealized losses	(2,122,280)	(522,471)
Estimated fair value	52,929,758	51,707,103
Total [Abstract]
Original or amortized cost	206,255,420	207,610,572
Gross unrealized gains	38,724,055	33,526,923
Gross unrealized losses	(2,657,089)	(2,190,674)
Estimated fair value	242,322,386	238,946,821
U.S. Government and Government Agencies and Authorities [Member]
Fixed maturities [Abstract]
Original or amortized cost	7,677,783	9,058,210
Gross unrealized gains	51,149	74,581
Gross unrealized losses	(71,452)	(96,981)
Estimated fair value	7,657,480	9,035,810
US Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost	9,998,384	10,145,531
Gross unrealized gains	840,533	1,002,789
Gross unrealized losses	(8,973)	(14,043)
Estimated fair value	10,829,944	11,134,277
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost	150,412,792	151,392,119
Gross unrealized gains	20,946,796	17,234,691
Gross unrealized losses	(454,384)	(1,557,179)
Estimated fair value	$ 170,905,204	$ 167,069,631