CONSOLIDATED STATEMENTS OF OPERATIONS (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 income:
Loans	$ 389,342	$ 442,460	$ 777,284	$ 865,835
Money market investments	964	926	1,912	1,873
Investment securities	43,813	53,723	88,883	106,098
Trading account securities	5,963	9,790	11,854	18,544
Total interest income	440,082	506,899	879,933	992,350
Interest Expense Abstract
Deposits	48,514	70,672	100,193	147,551
Short-term borrowings	13,044	13,719	26,627	27,734
Long-term debt	37,324	47,966	74,331	99,164
Total interest expense	98,882	132,357	201,151	274,449
Net interest income	341,200	374,542	678,782	717,901
Provision for loan losses	119,199	144,317	219,922	219,636
Net interest income after provision for loan losses	222,001	230,225	458,860	498,265
Service charges on deposit accounts	46,130	46,802	92,719	92,432
Other service fees	62,027	58,307	128,066	116,959
Net Gain Loss On Sale And Valuation Adjustments Of Investment Securities	(349)	(90)	(349)	(90)
Trading account profit	(7,283)	874	(9,426)	375
Net gain on sale of loans, including valuation adjustments on loans held-for-sale	(15,397)	(12,782)	74	(5,538)
Adjustments (expense) to indemnity reserves on loans sold	(5,398)	(9,454)	(9,273)	(19,302)
FDIC loss share (expense) income	2,575	38,670	(12,680)	54,705
Fair value change in equity appreciation instrument	0	578	0	8,323
Other operating income	11,419	1,255	28,501	40,664
Total non-interest income	93,724	124,160	217,632	288,528
Noninterest Expense Abstract
Personnel costs	116,336	110,959	237,827	217,099
Net occupancy expenses	24,963	25,957	49,125	50,543
Equipment Expense	10,900	10,761	22,241	22,797
Other taxes	12,074	14,623	25,512	26,595
Professional fees	52,127	49,479	100,232	96,167
Communication	6,645	7,188	13,776	14,398
Business promotion	16,980	11,332	29,830	21,192
FDIC deposit insurance	22,907	27,682	47,833	45,355
Loss on early extinguishment of debt	25,072	289	25,141	8,528
Other real estate owned (O R E O) expenses	2,380	6,440	16,545	8,651
Other operating expenses	34,964	14,835	50,860	41,014
Amortization of intangibles	2,531	2,255	5,124	4,510
Total operating expenses	327,879	281,800	624,046	556,849
Income before income tax	(12,154)	72,585	52,446	229,944
Income tax expense	(77,893)	(38,100)	(61,701)	109,127
Net income	65,739	110,685	114,147	120,817
Net income applicable to common stock	64,809	109,754	112,286	118,956
Net Income per Common Share - Basic	$ 0.63	$ 1.07	$ 1.10	$ 1.16
Net Income per Common Share - Diluted	$ 0.63	$ 1.07	$ 1.10	$ 1.16
Dividends Declared per Common Share	$ 0	$ 0	$ 0	$ 0
Non Covered Under Loss Sharing Agreements With F D I C [Member]
Interest Expense Abstract
Provision for loan losses	81,743	95,712	164,257	155,474
Covered Under Loss Sharing Agreements With F D I C [Member]
Interest Expense Abstract
Provision for loan losses	$ 37,456	$ 48,605	$ 55,665	$ 64,162