Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest income:
Loans Not Covered Under Shared Loss Agreements With Fdic	$ 79,995	$ 68,334	$ 71,310
Loans covered under shared-loss agreements with the FDIC, net of allowance for loan and lease losses	85,376	67,665	44,158
Total interest income from loans	165,371	135,999	115,468
Mortgage-backed securities	88,508	151,924	161,518
Investment securities and other	6,901	9,106	26,815
Interest expense:
Deposits	31,602	44,659	48,545
Securities sold under agreements to repurchase	60,575	93,279	100,609
Advances from FHLB and other borrowings	10,906	12,270	12,238
FDIC-guaranteed term notes	909	4,084	4,084
Note payable to the FDIC	0	0	1,887
Subordinated capital notes	1,479	1,231	1,238
Total interest expense	105,471	155,523	168,601
Interest Income (Expense), Net, Total	155,309	141,506	135,200
Provision for non-covered loan and lease losses	13,854	15,200	15,914
Provision for (recapture of) covered loan and lease losses, net	9,827	(1,387)	6,282
Total provision for loan and lease losses	23,681	13,813	22,196
Net interest income after provision for loan and lease losses	131,628	127,693	113,004
Non-interest income:
Wealth management revenues	25,350	20,571	17,967
Banking service revenues	13,824	12,930	10,662
Mortgage banking activities	9,705	9,876	9,554
Total banking and wealth management revenues	48,879	43,377	38,183
Total loss on other-than-temporary impaired securities	0	15,018	39,674
Portion of loss on securities recognized in other comprenhensive income	0	0	(22,508)
Other-than-temporary impairments on securities	0	15,018	17,166
Net (amortization) accretion of FDIC shared-loss indemnification asset	(28,022)	(3,379)	4,330
Net gain (loss) on:
Sale of securities	74,210	27,996	15,032
Derivatives	(41,093)	(13,243)	(36,823)
Foreclosed real estate	(4,366)	(1,717)	(524)
Early extinguishment of repurchase agreements	(26,052)	(4,790)	0
Other	450	(3,095)	1,029
Total non-interest income, net	24,006	30,131	4,061
Non-interest expense:
Compensation and employee benefits	45,778	45,552	41,723
Professional and service fees	22,274	22,805	16,559
Occupancy and equipment	17,530	17,530	18,548
RestructuringCharges	4,990	0	0
Insurance	6,742	6,642	7,006
Electronic banking charges	6,430	5,709	4,504
Advertising, business promotion, and strategic initiatives	6,254	5,977	4,978
Taxes, other than payroll and income taxes	3,502	4,721	5,106
Loan servicing and clearing expenses	3,309	3,978	3,055
Foreclosure, repossession and other real estate expenses	3,591	2,078	1,691
Communication	1,627	1,500	2,561
Director and investors relations	1,039	1,305	1,463
Printing, postage, stationary and supplies	1,254	1,264	1,188
Other	3,458	3,447	3,147
Total non-interest expense	127,778	122,508	111,529
Income before income taxes	27,856	35,316	5,536
Income tax expense	3,301	866	(4,298)
Net income	24,555	34,450	9,834
Dividends on preferred stock	9,939	4,802	5,335
Deemed dividend on preferred stock beneficial conversion feature	0	0	22,711
Income available to common shareholders	$ 14,616	$ 29,648	$ (18,212)
Income per common share:
Basic	$ 0.35	$ 0.67	$ (0.50)
Diluted	$ 0.35	$ 0.67	$ (0.50)
Average common shares outstanding and equivalents	45,304	44,524	36,810,000
Cash dividends per share of common stock	$ 0.24	$ 0.21	$ 0.17