Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Taxes [Abstract]
Provision for income taxes at the statutory federal tax rates	$ 176,615	$ 446,729
Increase (reduction) in taxes resulting from:
Dividends received deduction	(8,951)	(9,104)
Tax-exempt interest income	(36,323)	(40,338)
15% proration of tax exempt interest and dividends received decution	11,079	7,416
Officer life insurance, net	3,229	5,003
Nondeductible expenses	14,423	8,811
Prior year true-up and other	5,126	46,347
Total income tax expense	$ 165,198	$ 464,864