Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Statement of Financial Position [Abstract]
Cash and due from banks	$ 9,519,193	$ 23,459,776	$ 47,758,305
Federal funds sold and overnight deposits	5,000	5,000	1,000
Total cash and cash equivalents	9,524,193	23,464,776	47,759,305
Securities held-to-maturity (fair value $50,631,000 at 09/30/12, $30,289,000 at 12/31/11 and $37,397,000 at 09/30/11)	50,065,653	29,702,159	36,898,097
Securities available-for-sale	47,008,818	66,098,917	31,533,275
Restricted equity securities, at cost	4,021,350	4,308,550	4,308,550
Loans held-for-sale	1,483,940	2,285,567	2,411,242
Loans	407,610,705	386,386,472	388,548,864
Allowance for loan losses	(4,115,230)	(3,886,502)	(3,835,840)
Deferred net loan costs (fees)	101,742	7,251	(20,474)
Net loans	403,597,217	382,507,221	384,692,550
Bank premises and equipment, net	12,351,925	12,715,226	12,736,423
Accrued interest receivable	1,810,063	1,700,600	1,670,294
Bank owned life insurance	4,156,201	4,063,246	4,031,057
Core deposit intangible	1,448,694	1,704,346	1,810,867
Goodwill	11,574,269	11,574,269	11,574,269
Other real estate owned (OREO)	1,150,198	90,000	0
Prepaid expense - Federal Deposit Insurance Corporation (FDIC)	855,513	1,131,861	1,218,308
Other assets	12,613,921	11,558,779	10,077,689
Total assets	561,661,955	552,905,517	550,721,926
Demand, non-interest bearing	68,580,510	62,745,782	60,683,698
NOW	109,271,808	123,493,475	116,418,838
Money market funds	84,057,492	71,408,069	72,014,042
Savings	66,204,831	59,284,631	61,763,381
Time deposits, $100,000 and over	49,474,950	51,372,782	51,369,773
Other time deposits	79,511,981	86,088,570	88,913,603
Total deposits	457,101,572	454,393,309	451,163,335
Federal funds purchased and other borrowed funds	16,850,000	18,010,000	18,010,000
Repurchase agreements	28,076,308	21,645,446	24,090,954
Capital lease obligations	789,836	833,467	800,315
Junior subordinated debentures	12,887,000	12,887,000	12,887,000
Accrued interest and other liabilities	3,078,347	4,217,886	3,289,410
Total liabilities	518,783,063	511,987,108	510,241,014
Preferred stock, 1,000,000 shares authorized, 25 shares issued and outstanding ($100,000 liquidation value)	2,500,000	2,500,000	2,500,000
Common stock - $2.50 par value; 10,000,000 shares authorized, 5,007,099 shares issued at 09/30/12, 4,938,262 shares issued at 12/31/11 and 4,914,777 shares issued at 09/30/11	12,517,748	12,345,655	12,286,943
Additional paid-in capital	27,911,150	27,410,049	27,237,038
Retained earnings	2,268,901	1,151,751	910,428
Accumulated other comprehensive income	303,870	133,731	169,280
Less: treasury stock, at cost; 210,101 shares at 09/30/12, 12/31/11 and 09/30/11	(2,622,777)	(2,622,777)	(2,622,777)
Total shareholders' equity	42,878,892	40,918,409	40,480,912
Total liabilities and shareholders' equity	$ 561,661,955	$ 552,905,517	$ 550,721,926