Investments in Securities and Fair Value Schedule of Earnings on Investments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income	$ 4,444,447	$ 4,684,489	$ 4,531,319
Fixed maturities
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income	3,037,105	3,506,484	3,439,296
Equity securities
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income	1,202,912	1,157,550	1,086,365
Invested cash and other short-term investments
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income	201,780	19,982	5,605
Miscellaneous interest
Schedule of Investment Income, Reported Amounts, by Category [Line Items]
Investment income	$ 2,650	$ 473	$ 53