CONDENSED 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 AND DIVIDEND INCOME
Loans receivable, including fees	$ 244,523	$ 210,086	$ 712,822	$ 731,813
Investment securities	24,503	15,725	66,613	50,642
Securities purchased under resale agreements	5,064	2,410	14,443	11,303
Investment in Federal Home Loan Bank stock	75	194	432	431
Investment in Federal Reserve Bank stock	710	623	2,128	2,042
Short-term investments	7,866	2,362	15,106	7,405
Total interest and dividend income	282,741	231,400	811,544	803,636
INTEREST EXPENSE
Customer deposit accounts	28,216	28,498	83,328	91,078
Federal Home Loan Bank advances	3,013	5,725	12,746	20,905
Securities sold under repurchase agreements	12,218	12,189	36,351	36,775
Long-term debt	1,424	1,685	4,783	4,823
Other borrowings	88	498	384	1,903
Total interest expense	44,959	48,595	137,592	155,484
Net interest income before provision for loan losses	237,782	182,805	673,952	648,152
Provision for loan losses	22,000	38,648	75,006	170,325
Net interest income after provision for loan losses	215,782	144,157	598,946	477,827
NONINTEREST (LOSS) INCOME
Gain on acquisition	0	0	0	27,571
Impairment loss on investment securities	0	(6,522)	(5,555)	(17,515)
Less: Noncredit-related impairment loss recorded in other comprehensive income	0	5,634	5,091	7,186
Net impairment loss on investment securities recognized in earnings	0	(888)	(464)	(10,329)
(Decrease) increase in FDIC indemnification asset and receivable	(43,451)	5,826	(79,700)	(47,170)
Branch fees	8,872	7,976	25,704	24,953
Net gain on sales of investment securities	3,191	2,791	6,823	24,749
Net gain on sales of fixed assets	30	25	2,236	77
Letters of credit fees and foreign exchange income	6,450	3,914	17,636	11,023
Ancillary loan fees	2,076	2,367	6,122	6,425
Income from life insurance policies	982	1,100	3,088	3,306
Net gain on sales of loans	5,452	4,177	18,753	12,250
Other operating income	2,853	2,027	9,789	3,694
Total noninterest (loss) income	(13,545)	29,315	9,987	56,549
NONINTEREST EXPENSE
Compensation and employee benefits	39,885	38,693	119,025	131,051
Occupancy and equipment expense	12,580	13,963	37,353	39,022
Amortization of investments in affordable housing partnerships	5,287	1,442	14,410	7,117
Amortization of premiums on deposits acquired	3,067	3,352	9,403	10,046
Deposit insurance premiums and regulatory assessments	2,430	5,676	16,454	21,785
Loan-related expenses	5,208	6,316	12,591	14,567
Other real estate owned expense	4,489	5,694	29,738	44,689
Legal expense	6,028	5,301	16,920	14,391
Prepayment penalty for FHLB advances and other borrowings	3,826	0	12,281	13,832
Data processing	1,827	2,646	6,530	8,174
Deposit-related expenses	1,667	1,239	4,199	3,381
Consulting expense	2,094	1,612	6,098	5,672
Other operating expenses	16,164	14,011	43,936	50,446
Total noninterest expense	104,552	99,945	328,938	364,173
INCOME BEFORE PROVISION FOR INCOME TAXES	97,685	73,527	279,995	170,203
PROVISION FOR INCOME TAXES	35,253	26,576	100,967	61,988
NET INCOME	62,432	46,951	179,028	108,215
PREFERRED STOCK DIVIDENDS AND AMORTIZATION OF PREFERRED STOCK DISCOUNT	1,714	6,732	5,143	19,017
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 60,718	$ 40,219	$ 173,885	$ 89,198
EARNINGS PER SHARE AVAILABLE TO COMMON STOCKHOLDERS
BASIC (in dollars per share)	$ 0.41	$ 0.27	$ 1.18	$ 0.66
DILUTED (in dollars per share)	$ 0.41	$ 0.27	$ 1.17	$ 0.61
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	147,162	146,454	147,013	134,396
DILUTED (in shares)	153,453	147,113	153,372	146,993
DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.05	$ 0.01	$ 0.11	$ 0.03