Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and due from banks, including interest bearing amounts of $2,885 and $10,929, respectively	$ 102,815	$ 140,325
Securities:
Available-for-sale, at fair value	1,023,124	1,016,340
Held-to-maturity (fair values of $607,032 and $621,472, respectively)	572,671	592,925
Total securities	1,595,795	1,609,265
Loans held for sale	7,305	6,084
Portfolio loans, net of unearned income	3,275,830	3,239,368
Allowance for loan losses	(53,610)	(54,810)
Net portfolio loans	3,222,220	3,184,558
Premises and equipment, net	80,668	82,204
Accrued interest receivable	18,233	19,268
Goodwill and other intangible assets, net	282,088	283,150
Bank-owned life insurance	111,829	110,074
Other assets	104,452	101,102
Total Assets	5,525,405	5,536,030
Deposits:
Non-interest bearing demand	759,779	705,415
Interest bearing demand	728,521	698,114
Money market	753,964	789,036
Savings deposits	646,385	596,549
Certificates of deposit	1,505,133	1,604,752
Total deposits	4,393,782	4,393,866
Federal Home Loan Bank borrowings	141,877	168,186
Other short-term borrowings	191,275	196,887
Junior subordinated debt owed to unconsolidated subsidiary trusts	106,083	106,066
Total borrowings	439,235	471,139
Accrued interest payable	4,741	4,975
Other liabilities	38,535	32,260
Total Liabilities	4,876,293	4,902,240
SHAREHOLDERS' EQUITY
Preferred stock, no par value; 1,000,000 shares authorized; none outstanding
Common stock, $2.0833 par value; 50,000,000 shares authorized; 26,667,739 and 26,633,848 shares issued in 2012 and 2011, respectively; outstanding: 26,664,644 and 26,629,360 shares in 2012 and 2011, respectively	55,558	55,487
Capital surplus	191,926	191,679
Retained earnings	403,746	388,818
Treasury stock (3,095 and 4,488 shares in 2012 and 2011, respectively, at cost)	(61)	(96)
Accumulated other comprehensive loss	(843)	(902)
Deferred benefits for directors	(1,214)	(1,196)
Total Shareholders' Equity	649,112	633,790
Total Liabilities and Shareholders' Equity	$ 5,525,405	$ 5,536,030