Consolidated Statements Of Income (USD $) In Thousands, except 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	$ 132,338	$ 135,800	$ 268,881	$ 265,342
Interest bearing deposits with banks	870	1,215	1,806	2,489
Federal funds sold and securities purchased under resale agreements	23	34	55	83
Securities	11,438	11,218	20,978	22,230
Trading account securities	10	343	23	364
Federal Home Loan Bank and Federal Reserve Bank stock	572	472	1,122	931
Brokerage customer receivables	194	166	360	304
Total interest income	145,445	149,248	293,225	291,743
Interest expense
Interest on deposits	22,404	31,626	46,360	64,838
Interest on Federal Home Loan Bank advances	4,010	4,094	7,968	8,440
Interest on notes payable and other borrowings	2,715	1,439	5,345	2,901
Interest on secured borrowings - owed to securitization investors	2,994	3,115	6,034	6,109
Interest on subordinated notes	194	256	406	497
Interest on junior subordinated debentures	4,422	4,404	8,792	8,779
Total interest expense	36,739	44,934	74,905	91,564
Net interest income	108,706	104,314	218,320	200,179
Provision for credit losses	29,187	41,297	54,531	70,342
Net interest income after provision for credit losses	79,519	63,017	163,789	129,837
Non-interest income
Wealth management	10,601	9,193	20,837	17,860
Mortgage banking	12,817	7,985	24,448	17,713
Service charges on deposit accounts	3,594	3,371	6,905	6,703
Gains on available-for-sale securities, net	1,152	46	1,258	438
Gain on bargain purchases	746	26,494	10,584	37,388
Trading (losses) gains	(30)	(1,617)	(470)	4,344
Other	7,772	4,964	13,977	8,598
Total non-interest income	36,652	50,436	77,539	93,044
Non-interest expense
Salaries and employee benefits	53,079	50,649	109,178	99,721
Equipment	4,409	4,046	8,673	7,941
Occupancy, net	6,772	6,033	13,277	12,263
Data processing	3,147	3,669	6,670	7,076
Advertising and marketing	1,440	1,470	3,054	2,784
Professional fees	4,533	3,957	8,079	7,064
Amortization of other intangible assets	704	674	1,393	1,319
FDIC insurance	3,281	5,005	7,799	8,814
OREO expenses, net	6,577	5,843	12,385	7,181
Other	13,264	11,317	24,807	22,438
Total non-interest expense	97,206	92,663	195,315	176,601
Income before taxes	18,965	20,790	46,013	46,280
Income tax expense	7,215	7,781	17,861	17,253
Net income	11,750	13,009	28,152	29,027
Preferred stock dividends and discount accretion	1,033	4,943	2,064	9,887
Net income applicable to common shares	$ 10,717	$ 8,066	$ 26,088	$ 19,140
Net income per common share - Basic	$ 0.31	$ 0.26	$ 0.75	$ 0.67
Net income per common share - Diluted	$ 0.25	$ 0.25	$ 0.60	$ 0.64
Cash dividends declared per common share			$ 0.09	$ 0.09
Weighted average common shares outstanding	34,971	31,074	34,950	28,522
Dilutive potential common shares	8,438	1,267	8,437	1,203
Average common shares and dilutive common shares	43,409	32,341	43,387	29,725