Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Cash and due from banks	$ 43,981	$ 38,944
Interest-bearing deposits with other banks	81,115	112,886
Securities available for sale (at estimated fair value; pledged: $164,695 in 2013 and $174,240 in 2012)	291,561	296,837
Securities held to maturity (pledged: $151,220 in 2013 and $136,109 in 2012) (estimated fair value: $385,499 in 2013 and $403,218 in 2012)	383,594	386,408
Total investment securities	675,155	683,245
Loans held for sale, net	49,188	121,237
Loans held in portfolio, net of unearned discounts	1,742,065	1,649,753
Less allowance for loan losses	22,594	22,347
Loans, net	1,719,471	1,627,406
Federal Reserve and Federal Home Loan Bank stock, at cost	7,690	7,472
Goodwill	22,901	22,901
Premises and equipment, net	22,053	22,578
Other real estate	1,481	1,452
Accrued interest receivable	6,468	6,853
Cash surrender value of life insurance policies	54,935	54,553
Other assets	47,860	51,315
Total assets	2,732,298	2,750,842
Deposits
Noninterest-bearing demand deposits	940,881	924,351
Savings, NOW and money market deposits	802,452	701,692
Time deposits	498,048	642,041
Total deposits	2,241,381	2,268,084
Commercial paper	8,445	15,345
Advances - FHLB	100,592	101,265
Long-term borrowings - subordinated debentures	25,774	25,774
Total borrowings	175,427	175,334
Accrued interest payable	687	649
Accrued expenses and other liabilities	81,323	78,685
Total liabilities	2,498,818	2,522,752
Common stock, $1 par value. Authorized 100,000,000 shares; issued 35,263,768 shares	35,264	35,264
Capital surplus	271,737	271,565
Retained earnings	28,606	24,407
Accumulated other comprehensive loss	(15,454)	(16,491)
Common shares in treasury at cost, 4,309,663 and 4,307,972 shares, respectively	(86,673)	(86,655)
Total shareholders' equity	233,480	228,090
Total liabilities and shareholders' equity	2,732,298	2,750,842
Dealers [Member]
Deposits
Securities sold under agreements to repurchase - customers	$ 40,616	$ 32,950