Consolidated Statements of Income (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Interest income:
Interest and fees on loans	$ 12,219,130	$ 11,455,071	$ 10,408,472
Interest on debt securities: Taxable	998,238	1,151,447	1,922,523
Interest on debt securities: Tax-exempt	1,110,237	1,015,261	721,358
Dividends	38,645	32,807	14,632
Interest on deposits in other banks	65,910	60,037	35,277
Interest on certificates of deposit in other banks	42,703	19,578	1,858
Total interest income	14,474,863	13,734,201	13,104,120
Interest expense:
Deposits	882,085	1,111,430	1,369,745
Federal funds purchased	15	4	1,810
Other short-term borrowings	295,034	53,765	41,677
Long-term debt	485,823	733,339	781,581
Total interest expense	1,662,957	1,898,538	2,194,813
Net interest income	12,811,906	11,835,663	10,909,307
Provision for loan losses	420,000	445,000	983,667
Net interest income after provision for loan losses	12,391,906	11,390,663	9,925,640
Noninterest income:
Service charges on deposit accounts	1,278,221	1,241,756	1,359,866
Income from trust services	227,622	205,047	214,016
Income from brokerage services	338,323	381,916	324,018
Income from insurance services	1,328,532	1,280,474	1,273,320
Income from mortgage banking services	939,874	1,675,936	1,477,166
Provision for foreclosed asset losses	0	(320,000)	(300,000)
Net gain (loss) on sale or disposition of assets	(68,088)	23,972	(160,182)
Net gain on sale of securities	311,800	337,804	381,312
Net loss on the impairment of equity securities	0	0	(12,265)
Other income	734,887	697,929	601,510
Total noninterest income	5,091,171	5,524,834	5,158,761
Noninterest expense:
Salaries and employee benefits	8,455,375	8,717,337	7,716,684
Occupancy expense	1,025,293	1,006,426	952,668
Equipment expense	902,312	939,933	811,701
Data processing expense	1,096,790	1,081,840	1,039,252
Amortization of intangible assets	215,700	219,482	219,357
Other operating expenses	2,650,599	2,630,514	2,596,398
Total noninterest expenses	14,346,069	14,595,532	13,336,060
Income before income taxes	3,137,008	2,319,965	1,748,341
Provision for income taxes	364,664	380,878	287,203
Net income	$ 2,772,344	$ 1,939,087	$ 1,461,138
Basic earnings per share:
Net income	$ 1.09	$ 0.76	$ 0.57
Weighted average shares outstanding	2,547,837	2,547,837	2,547,837
Diluted earnings per share:
Net income	$ 1.09	$ 0.76	$ 0.57
Weighted average shares outstanding	2,547,837	2,547,837	2,547,865