Investments, Securities in Continuous Unrealized Loss Position (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
U.S. Government and Govt Agencies and Authorities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 0	$ 6,429,700
12 months or longer, fair value	5,578,536	1,592,679
Total fair value	5,578,536	8,022,379
Less than 12 months, unrealized losses	0	(49,904)
12 months or longer, unrealized losses	(98,738)	(88,318)
Total unrealized losses	(98,738)	(138,222)
US Special Revenue and Assessments [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value		4,023,920
12 months or longer, fair value		0
Total fair value		4,023,920
Less than 12 months, unrealized losses		(4,406)
12 months or longer, unrealized losses		0
Total unrealized losses		(4,406)
All Other Corporate Bonds [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	3,555,300	49,270,729
12 months or longer, fair value	26,553,550	15,337,739
Total fair value	30,108,850	64,608,468
Less than 12 months, unrealized losses	(6,923)	(2,033,507)
12 months or longer, unrealized losses	(730,710)	(811,543)
Total unrealized losses	(737,633)	(2,845,050)
Fixed Maturities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	3,555,300	59,724,349
12 months or longer, fair value	32,132,086	16,930,418
Total fair value	35,687,386	76,654,767
Less than 12 months, unrealized losses	(6,923)	(2,087,817)
12 months or longer, unrealized losses	(829,448)	(899,861)
Total unrealized losses	$ (836,371)	$ (2,987,678)