Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Cash and due from banks:
Non-interest bearing cash and due from banks	$ 35,616	$ 43,356
Interest bearing cash and due from banks	6,700	8,749
Federal funds sold	60,995	20,997
Cash and cash equivalents	103,311	73,102
Certificates of deposit investments	11,737	13,231
Investment securities:
Available-for-sale, at fair value	510,027	478,916
Held-to-maturity, at amortized cost (estimated fair value of $51 at June 30, 2012 and December 31, 2011)	51	51
Loans held for sale	1,485	1,046
Loans	844,440	859,028
Less allowance for loan losses	(11,455)	(11,120)
Net loans	832,985	847,908
Interest receivable	6,069	7,052
Other real estate owned	2,771	4,606
Premises and equipment, net	30,338	30,717
Goodwill, net	25,753	25,753
Intangible assets, net	3,510	3,934
Other assets	14,225	14,640
Total assets	1,542,262	1,500,956
Deposits:
Non-interest bearing deposits	215,240	198,962
Interest bearing deposits	1,018,560	971,772
Total deposits	1,233,800	1,170,734
Securities sold under agreements to repurchase	118,030	132,380
Interest payable	422	510
FHLB borrowings	9,750	19,750
Other borrowings	0	8,250
Junior subordinated debentures	20,620	20,620
Other liabilities	5,705	7,745
Total liabilities	1,388,327	1,359,989
Stockholders' Equity
Convertible preferred stock, no par value; authorized 1,000,000 shares; issued 10,427 shares in 2012 and 8,777 shares in 2011	52,035	43,785
Common stock, $4 par value; authorized 18,000,000 shares; issued 7,622,775 shares in 2012 and 7,553,094 shares in 2011	30,491	30,212
Additional paid-in capital	30,481	29,368
Retained earnings	75,300	71,739
Deferred compensation	2,972	2,904
Accumulated other comprehensive gain	3,790	3,148
Less treasury stock at cost, 1,587,886 shares in 2012 and 1,546,529 shares in 2011	41,134	40,189
Total stockholders' equity	153,935	140,967
Total liabilities and stockholders' equity	$ 1,542,262	$ 1,500,956