Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Interest income:
Interest and fees on loans	$ 61,475	$ 67,501	$ 123,866	$ 134,395
Interest and dividends on investment securities:
Taxable	10,649	10,931	20,560	22,133
Exempt from federal taxes	1,194	1,173	2,365	2,339
Interest on deposits in banks	227	257	594	481
Interest on federal funds sold	6	5	9	18
Total interest income	73,551	79,867	147,394	159,366
Interest expense:
Interest on deposits	8,903	14,496	18,774	29,774
Interest on securities sold under repurchase agreements	171	229	408	423
Interest on other borrowed funds		1		2
Interest on long-term debt	495	509	984	1,428
Interest on subordinated debentures held by subsidiary trusts	1,455	1,456	2,903	2,894
Total interest expense	11,024	16,691	23,069	34,521
Net interest income	62,527	63,176	124,325	124,845
Provision for loan losses	15,400	19,500	30,400	31,400
Net interest income after provision for loan losses	47,127	43,676	93,925	93,445
Non-interest income:
Other service charges, commissions and fees	7,768	7,380	15,148	14,252
Service charges on deposit accounts	4,385	4,759	8,495	9,357
Income from origination and sale of loans	4,109	4,186	7,554	7,486
Wealth managment revenues	3,483	3,199	6,778	6,213
Investment securities gains, net	16	15	18	42
Other income	1,830	1,498	3,757	3,195
Total non-interest income	21,591	21,037	41,750	40,545
Non-interest expense:
Salaries, wages and employee benefits	27,889	27,379	55,591	55,457
Occupancy, net	4,013	3,963	8,228	8,105
Furniture and equipment	3,129	3,356	6,349	6,697
Outsourced technology services	2,212	2,449	4,453	4,698
FDIC insurance premiums	1,629	2,667	4,095	5,123
OREO expense, net of income	2,042	2,980	3,753	3,521
Mortgage servicing rights amortization	671	1,115	1,478	2,248
Mortgage servicing rights impairment (recovery)	27	271	(320)	221
Core deposit intangibles amortization	361	440	723	879
Other expenses	12,219	10,806	22,800	21,222
Total non-interest expense	54,192	55,426	107,150	108,171
Income before income tax expense	14,526	9,287	28,525	25,819
Income tax expense	4,672	2,628	9,165	8,030
Net income	9,854	6,659	19,360	17,789
Preferred stock dividends	853	853	1,697	1,697
Net income available to common stockholders	$ 9,001	$ 5,806	$ 17,663	$ 16,092
Basic earnings per common share	$ 0.21	$ 0.14	$ 0.41	$ 0.43
Diluted earnings per common share	$ 0.21	$ 0.14	$ 0.41	$ 0.43