Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
INTEREST REVENUE:
Loans and leases	$ 107,737	$ 116,892	$ 216,749	$ 234,250
Deposits with other banks	382	124	783	246
Federal funds sold and securities purchased under agreement to resell	1	35	1	166
Held-to-maturity securities:
Taxable	0	5,066	0	13,080
Tax-exempt	0	2,291	0	5,638
Available-for-sale securities:
Taxable	10,188	10,451	21,350	19,036
Tax-exempt	4,210	1,871	8,466	2,695
Loans held for sale	686	505	1,230	952
Total interest revenue	123,204	137,235	248,579	276,063
Deposits:
Interest bearing demand	4,185	6,039	8,634	12,585
Savings	691	810	1,405	1,636
Other time	10,275	16,285	21,566	33,768
Federal funds purchased and securities sold under agreement to repurchase	66	135	129	287
Federal Home Loan Bank borrowings	366	1,194	733	2,717
Junior subordinated debt	2,879	2,860	5,758	5,719
Other	1	0	3	2
Total interest expense	18,463	27,323	38,228	56,714
Net interest revenue	104,741	109,912	210,351	219,349
Provision for credit losses	6,000	32,240	16,000	85,719
Net interest revenue, after provision for credit losses	98,741	77,672	194,351	133,630
NONINTEREST REVENUE:
Mortgage lending	11,040	2,003	26,182	9,584
Credit card, debit card and merchant fees	7,787	11,263	15,310	21,609
Service charges	13,697	16,556	28,813	31,924
Trust income	3,139	2,850	5,421	5,984
Security gains, net	177	10,045	251	10,062
Insurance commissions	22,964	22,941	46,117	45,490
Other	7,664	9,486	16,734	18,802
Total noninterest revenue	66,468	75,144	138,828	143,455
NONINTEREST EXPENSE:
Salaries and employee benefits	77,661	70,142	152,592	140,517
Occupancy, net of rental income	10,487	10,232	20,553	20,903
Equipment	5,124	5,595	10,457	11,253
Deposit insurance assessments	3,994	6,436	9,377	11,861
Prepayment penalty on FHLB borrowings	0	9,778	0	9,778
Other	39,240	34,886	79,207	72,767
Total noninterest expense	136,506	137,069	272,186	267,079
Income before income taxes	28,703	15,747	60,993	10,006
Income tax expense (benefit)	8,079	2,921	17,503	(2,326)
Net income	$ 20,624	$ 12,826	$ 43,490	$ 12,332
Earnings per share: Basic
Basic (in dollars per share)	$ 0.22	$ 0.15	$ 0.47	$ 0.15
Diluted (in dollars per share)	$ 0.22	$ 0.15	$ 0.47	$ 0.15
Dividends declared per common share (in dollars per share)	$ 0.01	$ 0.01	$ 0.02	$ 0.12