Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks	$ 36,821	$ 39,857
Interest-earning deposits with other banks	66,090	67,520
Investment securities held-to-maturity (fair value $46,409 and $45,639 at March 31, 2012 and December 31, 2011, respectively)	45,671	45,804
Investment securities available-for-sale	405,762	425,361
Loans held for sale	2,535	3,157
Loans and leases	1,459,830	1,446,406
Less: Reserve for loan and lease losses	(30,597)	(29,870)
Net loans and leases	1,429,233	1,416,536
Premises and equipment, net	34,152	34,303
Goodwill	53,169	53,169
Other intangibles, net of accumulated amortization and fair value adjustments of $11,934 and $11,646 at March 31, 2012 and December 31, 2011, respectively	5,010	4,870
Bank owned life insurance	60,245	61,387
Accrued interest receivable and other assets	53,476	54,875
Total assets	2,192,164	2,206,839
LIABILITIES
Demand deposits, noninterest-bearing	307,769	304,006
Demand deposits, interest-bearing	522,879	547,034
Savings deposits	506,266	489,692
Time deposits	393,116	408,500
Total deposits	1,730,030	1,749,232
Securities sold under agreements to repurchase	117,089	109,740
Other short-term borrowings	5,000	0
Accrued interest payable and other liabilities	42,401	47,394
Long-term debt	0	5,000
Subordinated notes	1,500	1,875
Company-obligated mandatorily redeemable preferred securities of subsidiary trusts holding junior subordinated debentures of Company (Trust Preferred Securities)	20,619	20,619
Total liabilities	1,916,639	1,933,860
SHAREHOLDERS' EQUITY
Common stock, $5 par value: 48,000,000 shares authorized at March 31, 2012 and December 31, 2011; 18,266,404 shares issued at March 31, 2012 and December 31, 2011; 16,780,416 and 16,702,376 shares outstanding at March 31, 2012 and December 31, 2011, respectively	91,332	91,332
Additional paid-in capital	58,404	58,495
Retained earnings	159,226	157,566
Accumulated other comprehensive loss, net of taxes	(6,587)	(6,101)
Treasury stock, at cost; 1,485,988 shares and 1,564,028 shares at March 31, 2012 and December 31, 2011, respectively	(26,850)	(28,313)
Total shareholders' equity	275,525	272,979
Total liabilities and shareholders' equity	$ 2,192,164	$ 2,206,839