Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 38,944	$ 31,046
Interest-bearing deposits with other banks	112,886	126,448
Securities available for sale (at estimated fair value; pledged: $174,240 in 2012 and $146,429 in 2011)	296,837	270,014
Securities held to maturity (pledged: $136,109 in 2012 and $206,282 in 2011) (estimated fair value: $403,218 in 2012 and $425,775 in 2011)	386,408	407,857
Total investment securities	683,245	677,871
Loans held for sale	121,237	43,372
Loans held in portfolio, net of unearned discounts	1,649,753	1,473,309
Less allowance for loan losses	22,347	20,029
Loans, net	1,627,406	1,453,280
Federal Reserve and Federal Home Loan Bank stock, at cost	7,472	8,486
Customers’ liability under acceptances		4
Goodwill	22,901	22,901
Premises and equipment, net	22,578	23,625
Other real estate	1,452	1,929
Accrued interest receivable	6,853	6,838
Cash surrender value of life insurance policies	54,556	53,446
Other assets	51,312	44,051
Total assets	2,750,842	2,493,297
LIABILITIES AND SHAREHOLDERS’ EQUITY
Noninterest-bearing demand deposits	924,351	765,800
Savings, NOW and money market deposits	701,692	565,423
Time deposits	642,041	657,848
Total deposits	2,268,084	1,989,071
Securities sold under agreements to repurchase—customers	32,950	52,313
Commercial paper and other short-term borrowings	15,345	13,485
Advances—FHLB	101,265	122,733
Long-term borrowings—subordinated debentures	25,774	25,774
Total borrowings	175,334	214,305
Acceptances outstanding		4
Accrued interest payable	649	1,064
Accrued expenses and other liabilities	78,685	68,032
Total liabilities	2,522,752	2,272,476
Shareholders’ Equity
Common shares, $1 par value per share. Authorized 50,000,000 shares; issued 35,263,768 and 35,225,110 shares, respectively	35,264	35,225
Capital surplus	271,565	270,869
Retained earnings	24,407	15,523
Accumulated other comprehensive loss	(16,491)	(14,216)
Common shares in treasury at cost, 4,307,972 and 4,300,278 shares, respectively	(86,655)	(86,580)
Total shareholders’ equity	228,090	220,821
Total liabilities and shareholders’ equity	2,750,842	2,493,297
Customers [Member]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Securities sold under agreements to repurchase—customers	32,950	47,313
Dealers [Member]
LIABILITIES AND SHAREHOLDERS’ EQUITY
Securities sold under agreements to repurchase—dealers		$ 5,000