Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Interest Income
Interest and fees on loans	$ 76,343	$ 80,767	$ 229,926	$ 244,095
Interest on securities:
Taxable	18,115	18,641	58,481	58,002
Tax exempt	1,401	1,352	4,159	4,167
Interest on federal funds sold and securities purchased under reverse repurchase agreements	5	9	20	24
Other interest income	329	332	994	1,081
Total Interest Income	96,193	101,101	293,580	307,369
Interest Expense
Interest on deposits	9,455	11,609	29,110	38,298
Interest on federal funds purchased and securities sold under repurchase agreements	216	294	770	780
Other interest expense	842	1,631	3,815	4,820
Total Interest Expense	10,513	13,534	33,695	43,898
Net Interest Income	85,680	87,567	259,885	263,471
Provision for loan losses	7,978	12,259	23,631	37,752
Net Interest Income After Provision for Loan Losses	77,702	75,308	236,254	225,719
Noninterest Income
Service charges on deposit accounts	13,680	14,493	38,438	41,690
Insurance commissions	7,516	7,746	20,890	21,467
Wealth management	5,993	5,199	17,739	16,112
Bank card and other fees	7,033	6,235	20,362	18,532
Mortgage banking, net	9,783	9,861	20,774	24,843
Other, net	234	441	8,781	2,423
Securities gains, net	33	4	91	2,228
Total Noninterest Income	44,272	43,979	127,075	127,295
Noninterest Expense
Salaries and employee benefits	44,701	44,034	132,940	130,170
Services and fees	11,485	10,709	32,535	31,487
Net occupancy - premises	5,093	4,961	15,216	14,912
Equipment expense	5,038	4,356	15,038	12,906
FDIC assessment expense	1,812	3,037	6,500	9,219
ORE/Foreclosure expense	5,616	8,728	13,533	21,067
Other expense	11,736	8,598	31,085	25,451
Total Noninterest Expense	85,481	84,423	246,847	245,212
Income Before Income Taxes	36,493	34,864	116,482	107,802
Income taxes	9,525	9,004	33,899	32,326
Net Income	$ 26,968	$ 25,860	$ 82,583	$ 75,476
Earnings Per Common Share
Basic (in dollars per share)	$ 0.42	$ 0.40	$ 1.29	$ 1.18
Diluted (in dollars per share)	$ 0.42	$ 0.40	$ 1.29	$ 1.18
Dividends Per Common Share (in dollars per share)	$ 0.23	$ 0.23	$ 0.69	$ 0.69