Investments, Available for Sale Securities (Details) - USD ($)		Mar. 31, 2018	Dec. 31, 2017
Fixed maturities [Abstract]
Original or amortized cost		$ 164,891,063	$ 159,912,511
Gross unrealized gains		15,719,230	19,014,407
Gross unrealized losses		(1,405,980)	(371,693)
Estimated fair value		179,204,313	178,555,225	[1]
Equity securities [Abstract]
Original or amortized cost		0	35,712,633	[2]
Gross unrealized gains	[2]		23,648,201
Gross unrealized losses	[2]		(512,343)
Estimated fair value	[1]	0	58,848,491	[2]
Total [Abstract]
Original or amortized cost			195,625,144
Gross unrealized gains			42,662,608
Gross unrealized losses			(884,036)
Estimated fair value			237,403,716
U.S. Government and Government Agencies and Authorities [Member]
Fixed maturities [Abstract]
Original or amortized cost		7,652,991	2,679,325
Gross unrealized gains		20,049	33,802
Gross unrealized losses		(159,276)	(73,530)
Estimated fair value		7,513,764	2,639,597
US Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost		9,013,518	9,012,232
Gross unrealized gains		490,293	620,789
Gross unrealized losses		0	0
Estimated fair value		9,503,811	9,633,021
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost		148,224,554	148,220,954
Gross unrealized gains		15,208,888	18,359,816
Gross unrealized losses		(1,246,704)	(298,163)
Estimated fair value		$ 162,186,738	$ 166,282,607

[1] Balance sheet audited at December 31, 2016.

[2] Effective January 1, 2018, the Company adopted ASU No. 2016-01 and equity securities are no longer classified as available-for-sale. Prior periods have not been restated to conform to the current presentation. See Note 2 to the Condensed Consolidated Financial Statements for additional information.