Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Assets:
Cash and due from banks	$ 62,510	$ 64,828
Interest bearing deposits	48,455	33,200
Federal funds sold	7,493	8,613
Cash and cash equivalents	118,458	106,641
Certificates of deposit in other banks	9,179	9,568
Securities available-for-sale at fair value (amortized cost of $635,133 and $621,753, respectively)	633,572	609,405
Securities held-to-maturity at amortized cost (fair value of $1,631 and $1,601, respectively)	1,662	1,662
Loans held for sale	367	828
Loans	2,683,905	2,615,354
Allowance for loan and lease losses	(34,090)	(34,008)
Net loans	2,649,815	2,581,346
Premises and equipment, net	50,604	52,000
Federal Home Loan Bank stock	17,927	25,673
Federal Reserve Bank stock	4,887	4,886
Goodwill	65,490	65,490
Core deposit intangible (net of accumulated amortization of $8,085 and $7,925, respectively)	530	690
Bank owned life insurance	54,800	53,687
Mortgage servicing rights	3,112	3,424
Other real estate owned	32,747	39,188
Other assets	26,936	27,228
Total assets	3,670,086	3,581,716
Deposits
Noninterest bearing	660,100	621,321
Interest bearing	2,242,081	2,233,753
Total deposits	2,902,181	2,855,074
Repurchase agreements	220,095	208,067
Federal funds purchased and other short-term borrowings	11,114	12,465
Advances from Federal Home Loan Bank	1,199	1,286
Long-term debt	61,341	61,341
Other liabilities	35,918	30,991
Total liabilities	3,231,848	3,169,224
Shareholders' equity:
Preferred stock, 300,000 shares authorized and unissued	0	0
Common stock, $5 par value, shares authorized 25,000,000; shares outstanding 2014 - 17,431,146; 2013 - 17,403,441	87,155	79,107
Capital surplus	212,184	167,122
Retained earnings	139,914	174,289
Accumulated other comprehensive loss, net of tax	(1,015)	(8,026)
Total shareholders' equity	438,238	412,492
Total liabilities and shareholders' equity	$ 3,670,086	$ 3,581,716