Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Cash and due from banks:
Non-interest bearing cash and due from banks	$ 28,111	$ 43,356
Interest bearing cash and due from banks	14,512	8,749
Federal funds sold	80,995	20,997
Cash and cash equivalents	123,618	73,102
Certificates of deposit investments	12,044	13,231
Investment securities:
Available-for-sale, at fair value	482,663	478,916
Held-to-maturity, at amortized cost (estimated fair value of $51 at March 31, 2012 and December 31, 2011)	51	51
Loans held for sale	804	1,046
Loans	840,031	859,028
Less allowance for loan losses	11,293	11,120
Net loans	828,738	847,908
Interest receivable	6,038	7,052
Other real estate owned	3,293	4,606
Premises and equipment, net	30,471	30,717
Goodwill, net	25,753	25,753
Intangible assets, net	3,689	3,934
Other assets	17,261	14,640
Total assets	1,534,423	1,500,956
Deposits:
Non-interest bearing deposits	219,688	198,962
Interest bearing deposits	1,013,939	971,772
Total deposits	1,233,627	1,170,734
Securities sold under agreements to repurchase	109,043	132,380
Interest payable	474	510
FHLB borrowings	9,750	19,750
Other borrowings	8,250	8,250
Junior subordinated debentures	20,620	20,620
Other liabilities	9,093	7,745
Total liabilities	1,390,857	1,359,989
Stockholders' Equity
Convertible preferred stock, no par value; authorized 1,000,000 shares; issued 8,777 shares in 2012 and 2011	43,785	43,785
Common stock, $4 par value; authorized 18,000,000 shares; issued 7,593,052 shares in 2012 and 7,553,094 shares in 2011	30,372	30,212
Additional paid-in capital	29,935	29,368
Retained earnings	74,190	71,739
Deferred compensation	2,880	2,904
Accumulated other comprehensive gain	3,176	3,148
Less treasury stock at cost, 1,575,463 shares in 2012 and 1,546,529 shares in 2011	(40,772)	(40,189)
Total stockholders' equity	143,566	140,967
Total liabilities and stockholders' equity	$ 1,534,423	$ 1,500,956