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	$ 61,372	$ 67,033	$ 185,238	$ 201,428
Interest and dividends on investment securities:
Taxable	10,721	10,540	31,281	32,673
Exempt from federal taxes	1,188	1,137	3,553	3,476
Interest on deposits in banks	200	252	794	733
Interest on federal funds sold	2	3	11	21
Total interest income	73,483	78,965	220,877	238,331
Interest expense:
Interest on deposits	7,905	12,973	26,679	42,747
Interest on securities sold under repurchase agreements	137	209	545	632
Interest on other borrowed funds		1		3
Interest on long-term debt	498	512	1,482	1,940
Interest on subordinated debentures held by subsidiary trusts	1,451	1,526	4,354	4,420
Total interest expense	9,991	15,221	33,060	49,742
Net interest income	63,492	63,744	187,817	188,589
Provision for loan losses	14,000	18,000	44,400	49,400
Net interest income after provision for loan losses	49,492	45,744	143,417	139,189
Non-interest income:
Other service charges, commissions and fees	8,479	7,821	23,627	22,073
Service charges on deposit accounts	4,609	4,497	13,104	13,854
Income from origination and sale of loans	5,512	7,355	13,066	14,841
Wealth management revenues	3,202	3,091	9,980	9,304
Investment securities gains, net	38	66	56	108
Other income	1,285	2,025	5,042	5,220
Total non-interest income	23,125	24,855	64,875	65,400
Non-interest expense:
Salaries, wages and employee benefits	26,888	27,994	82,479	83,451
Occupancy, net	4,180	3,939	12,408	12,044
Furniture and equipment	3,018	3,411	9,367	10,108
Outsourced technology services	2,235	2,402	6,688	7,100
FDIC insurance premiums	1,631	2,337	5,726	7,460
OREO expense, net of income	2,878	2,608	6,631	6,129
Mortgage servicing rights amortization	807	1,221	2,285	3,469
Mortgage servicing rights impairment	1,168	1,991	848	2,212
Core deposit intangibles amortization	362	437	1,085	1,316
Other expenses	11,874	11,670	34,674	32,892
Total non-interest expense	55,041	58,010	162,191	166,181
Income before income tax expense	17,576	12,589	46,101	38,408
Income tax expense	5,655	3,860	14,820	11,890
Net income	11,921	8,729	31,281	26,518
Preferred stock dividends	862	862	2,559	2,559
Net income available to common stockholders	$ 11,059	$ 7,867	$ 28,722	$ 23,959
Basic earnings per common share	$ 0.26	$ 0.18	$ 0.67	$ 0.61
Diluted earnings per common share	$ 0.26	$ 0.18	$ 0.67	$ 0.61