CONSOLIDATED STATEMENTS OF CONDITION (USD $)	Sep. 30, 2014		Dec. 31, 2013
Assets
Cash And Due From Banks	$ 321,914,000		$ 423,211,000
Money Market Investments [Abstract]
Federal funds sold	0		5,055,000
Securities Purchased Under Agreements To Resell	146,634,000		175,965,000
Time deposits with other banks	906,487,000		677,433,000
Total money market investments	1,053,121,000		858,453,000
Trading Securities [Abstract]
Pledged securities with creditors' right to repledge	122,483,000		308,978,000
Other trading securities	22,860,000		30,765,000
Available For Sale Securities Abstract
Pledged securities with creditors' right to repledge	1,515,639,000		1,286,839,000
Other investment securities available-for-sale	4,212,127,000		4,007,961,000
Investment securities held-to-maturity, at amortized cost	112,893,000		140,496,000
Other investment securities, at lower of cost or realizable value	161,168,000		181,752,000
Loans held-for-sale, at lower of cost or fair value	178,008,000	[1]	110,426,000
Loans held-in-portfolio:
Loans held-in-portfolio	19,450,677,000		21,704,010,000
Covered Loans	2,654,263,000		2,984,427,000
Less- Unearned Income	91,461,000		92,144,000
Allowance for loan losses	611,375,000		640,555,000
Total loans held-in-portfolio, net	21,402,104,000		23,955,738,000
FDIC loss share asset	681,106,000		948,608,000
Premises and equipment, net	497,111,000		519,516,000
Accrued income receivable	116,746,000		131,536,000
Mortgage servicing assets, at fair value	152,282,000		161,099,000
Other Assets	1,634,819,000		1,687,558,000
Goodwill	461,246,000		647,757,000
Other intangible assets	37,777,000		45,132,000
Total assets	34,099,095,000		35,749,333,000
Deposits Abstract
Non-interest bearing	5,521,415,000		5,922,682,000
Interest bearing	18,944,690,000		20,788,463,000
Total deposits	24,466,105,000		26,711,145,000
Federal Funds Purchased and Securities Sold Under Agreements To Repurchase	1,650,712,000		1,659,292,000
Other short-term borrowings	1,200,000		401,200,000
Notes Payable	1,723,573,000		1,584,754,000
Other liabilities	852,351,000		766,792,000
Total liabilities	29,800,703,000		31,123,183,000
Stockholders Equity Abstract
Preferred stock	50,160,000		50,160,000
Common stock	1,036,000		1,034,000
Surplus	4,171,890,000		4,170,152,000
Accumulated deficit	229,306,000		594,430,000
Treasury stock	(3,933,000)		(881,000)
Accumulated other comprehensive (loss) income, net of tax	(150,067,000)		(188,745,000)
Total stockholders' equity	4,298,392,000		4,626,150,000
Total liabilities and stockholders' equity	34,099,095,000		35,749,333,000
Segment, Discontinued Operations [Member]
Available For Sale Securities Abstract
Loans held-for-sale, at lower of cost or fair value	1,099,673,000
Loans held-in-portfolio:
Assets Of Disposal Group Including Discontinued Operation	1,129,053,000		0
Deposits Abstract
Total deposits	1,089,046,000
Other short-term borrowings	0
Liabilities Of Disposal Group Including Discontinued Operation	1,106,762,000		0
Non Covered Under Loss Sharing Agreements With F D I C [Member]
Loans held-in-portfolio:
Other real estate owned	135,256,000		135,501,000
Covered Under Loss Sharing Agreements With F D I C [Member]
Loans held-in-portfolio:
Covered Loans	2,654,263,000		2,984,427,000
Other real estate owned	$ 151,382,000		$ 168,007,000

[1] Loans held-for-sale from discontinued operations are presented as part of "Assets from Discontinued Operations" in the Consolidated Statement of Condition. Refer to Note 3 to the consolidated financial statements for further information on the discontinued operations.