CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 62,739	$ 55,826
Money market funds and federal funds sold	9,456	5,494
Cash and cash equivalents	72,195	61,320
Interest bearing time deposits	980
Securities available for sale	881,104	891,106
Loans held for sale	3,246	5,999
Loans, net of allowance for loan losses of $27,247 and $27,609	1,660,304	1,644,317
Restricted stock, at cost	15,628	15,629
Premises and equipment, net	55,258	55,957
Goodwill	64,900	64,900
Purchased intangible assets	4,693	5,125
Cash surrender value of life insurance	61,031	61,292
Interest receivable and other assets	53,040	54,219
Total assets	2,872,379	2,859,864
Deposits
Noninterest bearing	459,541	436,550
Interest bearing	1,766,284	1,764,078
Total deposits	2,225,825	2,200,628
Other borrowings	39,864	38,594
Federal Home Loan Bank (FHLB) advances	224,424	247,858
Subordinated debentures	41,239	46,394
Other liabilities	25,468	20,864
Total liabilities	2,556,820	2,554,338
Shareholders' equity
Preferred stock, no par value: Authorized shares - 400,000; Issued shares - 0 Outstanding shares - 0 Aggregate liquidation preference - $0
Common stock $.50 stated value: Authorized shares - 100,000,000 Issued shares - 20,962,525 and 20,940,298 Outstanding shares - 20,445,951 and 20,417,224	10,521	10,508
Treasury stock - 516,574 and 523,074 at cost	(8,389)	(8,495)
Additional paid-in capital	225,098	224,793
Retained earnings	81,769	77,586
Accumulated other comprehensive income	6,560	1,134
Total shareholders' equity	315,559	305,526
Total liabilities and shareholders' equity	$ 2,872,379	$ 2,859,864