Income Taxes - Schedule of Income Taxes (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Taxes at statutory income tax rate									$ 1,428,272	$ 1,238,752	$ 1,066,582
Reductions in taxes resulting from exempt income									(540,861)	(454,779)	(464,631)
Other timing differences									(60,247)	(44,416)	(237,287)
Total income taxes	$ 206,000	$ 205,000	$ 216,000	$ 200,000	$ 149,000	$ 208,000	$ 196,000	$ 186,000	$ 827,164	$ 739,557	$ 364,664
Taxes at statutory income tax rate, percentage									34.00%	34.00%	34.00%
Reductions in taxes resulting from exempt income, percentage									(12.90%)	(12.50%)	(14.80%)
Other timing differences, percentage									(1.40%)	(1.20%)	(7.60%)
Total income taxes, percentage									19.70%	20.30%	11.60%