Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Interest Income
Loans, including fees	$ 94,545	$ 86,038	$ 282,720	$ 255,937
Securities:
Taxable	11,470	10,744	36,022	32,233
Nontaxable	1,682	1,847	5,083	5,676
Dividends	12	13	361	144
Other	47	60	142	238
Total Interest Income	107,756	98,702	324,328	294,228
Interest Expense
Deposits	10,205	13,078	32,776	41,727
Short-term borrowings	1,182	1,644	3,961	5,111
Long-term debt	860	1,698	2,702	4,981
Junior subordinated debt	1,978	1,880	5,956	6,030
Total Interest Expense	14,225	18,300	45,395	57,849
Net Interest Income	93,531	80,402	278,933	236,379
Provision for loan losses	8,429	8,573	22,028	25,352
Net Interest Income After Provision for Loan Losses	85,102	71,829	256,905	211,027
Non-Interest Income
Impairment losses on securities	(440)	(473)	(440)	(473)
Non-credit related losses on securities not expected to be sold (recognized in other comprehensive income)	321	436	321	436
Net impairment losses on securities	(119)	(37)	(119)	(37)
Service charges	17,666	16,057	52,419	46,058
Insurance commissions and fees	4,578	4,002	12,632	11,812
Securities commissions and fees	2,102	1,858	6,143	5,960
Trust fees	3,783	3,565	11,359	11,222
Net securities (losses) gains	(66)	49	302	141
Gain on sale of residential mortgage loans	1,176	657	2,696	1,800
Bank owned life insurance	1,671	1,309	4,809	3,913
Other	4,022	2,170	9,095	6,451
Total Non-Interest Income	34,813	29,630	99,336	87,320
Non-Interest Expense
Salaries and employee benefits	41,579	37,149	127,255	112,059
Net occupancy	5,840	5,514	18,624	16,484
Equipment	5,728	4,749	16,598	14,149
Amortization of intangibles	2,242	1,808	6,892	5,409
Outside services	7,048	5,447	20,725	16,024
FDIC insurance	2,014	1,699	6,172	6,288
State taxes	1,347	2,023	4,800	5,978
Merger related	88	282	7,399	4,589
Other	11,196	10,546	33,772	31,163
Total Non-Interest Expense	77,082	69,217	242,237	212,143
Income Before Income Taxes	42,833	32,242	114,004	86,204
Income taxes	12,090	8,469	32,549	22,894
Net Income	30,743	23,773	81,455	63,310
Net Income per Share - Basic	$ 0.22	$ 0.19	$ 0.59	$ 0.51
Net Income per Share - Diluted	$ 0.22	$ 0.19	$ 0.58	$ 0.51
Cash Dividends per Share	$ 0.12	$ 0.12	$ 0.36	$ 0.36
Comprehensive Income	$ 33,132	$ 24,241	$ 87,631	$ 66,794