Investments, Available for Sale Securities (Details) - USD ($)		Jun. 30, 2018	Dec. 31, 2017
Fixed maturities [Abstract]
Original or amortized cost		$ 162,308,830	$ 159,912,511
Gross unrealized gains		15,082,753	19,014,407
Gross unrealized losses		(2,814,824)	(371,693)
Estimated fair value		174,576,759	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		11,153,091	2,679,325
Gross unrealized gains		15,726	33,802
Gross unrealized losses		(191,954)	(73,530)
Estimated fair value		10,976,863	2,639,597
US Special Revenue and Assessments [Member]
Fixed maturities [Abstract]
Original or amortized cost		9,014,836	9,012,232
Gross unrealized gains		392,039	620,789
Gross unrealized losses		0	0
Estimated fair value		9,406,875	9,633,021
All Other Corporate Bonds [Member]
Fixed maturities [Abstract]
Original or amortized cost		142,140,903	148,220,954
Gross unrealized gains		14,674,988	18,359,816
Gross unrealized losses		(2,622,870)	(298,163)
Estimated fair value		$ 154,193,021	$ 166,282,607

[1] Balance sheet audited at December 31, 2017.

[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.