Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Interest Income
Loans	$ 23,564,766	$ 23,254,863	$ 23,885,654
Investment securities	1,483,772	1,627,460	1,794,717
Other	141,096	131,991	175,127
	25,189,634	25,014,314	25,855,498
Interest Expense
Deposits	2,423,871	2,329,090	2,859,598
Federal Home Loan Bank advances	1,196,393	1,202,383	1,295,121
Subordinated debentures	538,785	533,207	537,178
Securities sold under agreements to repurchase	120,833	264,625	405,597
	4,279,882	4,329,305	5,097,494
Net Interest Income	20,909,752	20,685,009	20,758,004
Provision for Loan Losses	600,000	1,275,000	1,550,000
Net Interest Income After Provision for Loan Losses	20,309,752	19,410,009	19,208,004
Noninterest Income
Service charges	1,214,880	1,264,027	1,196,597
Gain on sale of investment securities	187,090	34,163	219,845
Gain on sale of mortgage loans held for sale	1,570,997	981,603	1,444,318
Gain on sale of Small Busines Administration loans	344,818
Gain on sale of state low-income housing tax credits			1,441,012
Net loss on foreclosed assets	(164,663)	(213,239)	(275,223)
Other income	1,499,589	1,351,910	1,292,922
	4,652,711	3,418,464	5,319,471
Noninterest Expense
Salaries and employee benefits	9,805,337	8,895,353	9,058,789
Occupancy	1,904,886	1,697,190	1,752,162
FDIC deposit insurance premiums	447,044	448,675	562,163
Prepayment penalty on repurchase agreements	463,992		1,510,000
Data processing	790,928	685,028	687,630
Advertising	525,000	425,004	425,004
Other expense	2,847,180	2,782,019	2,775,979
	16,784,367	14,933,269	16,771,727
Income Before Income Taxes	8,178,096	7,895,204	7,755,748
Provision for Income Taxes	2,461,329	2,112,508	2,516,041
Net Income	5,716,767	5,782,696	5,239,707
Preferred Stock Dividends and Discount Accretion		357,210	794,520
Net Income Available to Common Shareholders	$ 5,716,767	$ 5,425,486	$ 4,445,187
Basic Income Per Common Share (in Dollars per share)	$ 1.32	$ 1.35	$ 1.63
Diluted Income Per Common Share (in Dollars per share)	$ 1.30	$ 1.33	$ 1.58