Investments (Schedule of Fixed Maturities) (Details) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Marketable Securities [Abstract]
Amortized Cost, Due after one year through five years	$ 1,720,127
Amortized Cost, Due after five years through ten years	11,583,552
Amortized Cost, Due after ten years through twenty years	46,435,050
Amortized Cost, Due after twenty years	7,159,234
Available-for-sale Securities, Debt Maturities, Amortized Cost	66,897,963
Estimated Fair Value, Due after one year through five years	1,731,192
Estimated Fair Value, Due after five years through ten years	11,564,598
Estimated Fair Value, Due after ten years through twenty years	46,637,790
Estimated Fair Value, Due after twenty years	7,330,853
Available-for-sale Securities, Debt Securities, Estimated Fair Value	$ 67,264,433	$ 17,384,183