Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 4,045,231	$ 7,310,375	$ 6,676,228
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation		1,280,550	1,198,809
Provision for loan/lease losses	1,520,137	2,577,919	1,828,915
Stock-based compensation expense		455,921	503,514
Losses on other real estate owned, net	83,339	529,969	578,669
Amortization of premiums on securities, net		1,972,391	2,050,358
Securities gains		(16,460)	(104,600)
Other-than-temporary impairment losses on securities			62,400
Loans originated for sale		(52,272,708)	(51,881,417)
Proceeds on sales of loans		56,915,600	52,645,621
Gains on sales of residential real estate loans, net	(246,621)	(537,772)	(562,766)
Gains on sales of government guaranteed portions of loans, net	(765,738)	(1,610,962)	(718,645)
Increase in cash value of bank-owned life insurance		(862,570)	(797,062)
Bargain purchase gain on Community National acquisition	(1,841,385)	(1,841,385)
Decrease (increase) in other assets		6,556,417	(6,150,757)
Decrease in other liabilities		(797,225)	(734,316)
Net cash provided by operating activities		19,660,060	4,594,951
CASH FLOWS FROM INVESTING ACTIVITIES
Net decrease in federal funds sold		22,229,000	17,160,000
Net increase in interest-bearing deposits at financial institutions		(10,189,746)	(1,701,827)
Proceeds from sales of other real estate owned		303,766	814,071
Activity in securities portfolio:
Purchases		(238,534,747)	(311,369,517)
Calls, maturities and redemptions		124,663,560	201,683,047
Paydowns		27,762,742	14,403,547
Sales	6,167,531	6,167,531	19,215,075
Activity in restricted investment securities:
Purchases		(4,818,750)	(1,003,850)
Redemptions		4,950,000	1,033,100
Net increase in loans/leases originated and held for investment		(51,708,379)	(16,077,756)
Purchase of premises and equipment		(950,802)	(898,464)
Net cash received from Community National acquisition		3,025,073
Net cash used in investing activities		(117,100,752)	(76,742,574)
CASH FLOWS FROM FINANCING ACTIVITIES
Net decrease in deposits		87,620,739	110,012,711
Net decrease in short-term borrowings		(13,896,757)	(28,137,412)
Activity in Federal Home Loan Bank advances:
Advances		119,000,000	14,000,000
Calls and maturities		(111,400,500)	(15,000,000)
Proceeds from other borrowings term note		10,000,000
Advance (payment) on 364-day revolving note, net		(5,600,000)	2,000,000
Repayment of Community National's other borrowings at acquisition		(3,950,000)
Payment of cash dividends on common and preferred stock		(1,813,624)	(2,278,183)
Redemption of 10,223 shares of Series F Noncumulative Perpetual Preferred Stock			(10,223,000)
Cash and due from banks, beginning		61,568,446	53,136,710
Cash and due from banks, ending	44,316,890	44,316,890	51,639,674
Supplemental disclosure of cash flow information, cash payments for:
Interest		8,897,240	10,343,656
Income/franchise taxes		1,031,120	881,000
Supplemental schedule of noncash investing activities:
Change in accumulated other comprehensive income (loss), unrealized losses on securities available for sale, net		(13,927,847)	(276,190)
Exchange of shares of common stock in connection with payroll taxes for restricted stock and in connection with stock options exercised		(424,587)	(10,415)
Transfers of loans to other real estate owned		187,500	2,143,017
Fair value of assets acquired:
Cash and due from banks *	9,286,757	9,286,757
Federal funds sold	12,335,000	12,335,000
Interest-bearing deposits at financial institutions	2,024,539	2,024,539
Securities available for sale	45,853,826	45,853,826
Loans/leases receivable held for investment, net	195,658,486	195,658,486
Premises and equipment, net	8,132,021	8,132,021
Core deposit intangible	3,440,076	3,440,076
Bank-owned life insurance	4,595,529	4,595,529
Restricted investment securities	1,259,375	1,259,375
Other real estate owned	550,326	550,326
Other assets	5,178,583	5,178,583
Total assets acquired	288,314,518	288,314,518
Fair value of liabilities assumed:
Deposits	255,045,071	255,045,071
Other borrowings	3,950,000	3,950,000
Junior subordinated debentures	4,125,175	4,125,175
Other liabilities	3,911,053	3,911,053
Total liabilities assumed	267,031,299	267,031,299
Net assets acquired	21,283,219	21,283,219
Consideration paid:
Cash paid *		6,261,684
Issuance of 834,715 shares of common stock		13,180,150
Total consideration paid		19,441,834
Bargain purchase gain	1,841,385	1,841,385
Common Stock [Member]
Activity in Federal Home Loan Bank advances:
Proceeds from issuance of common stock, net		229,278	276,471
Net cash provided by financing activities		80,189,136	70,650,587
Net decrease in cash and due from banks		$ (17,251,556)	$ (1,497,036)