CONSOLIDATED STATEMENTS OF CONDITION (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Assets
Cash And Due From Banks	$ 387,917		$ 423,211
Money Market Investments [Abstract]
Federal funds sold	7,490		5,055
Securities Purchased Under Agreements To Resell	178,142		175,965
Time deposits with other banks	1,436,801		677,433
Total money market investments	1,622,433		858,453
Trading Securities [Abstract]
Pledged securities with creditors' right to repledge	330,680		308,978
Other trading securities	28,567		30,765
Available For Sale Securities Abstract
Pledged securities with creditors' right to repledge	1,757,178		1,286,839
Other investment securities available-for-sale	4,011,712		4,007,961
Investment securities held-to-maturity, at amortized cost	139,019		140,496
Other investment securities, at lower of cost or realizable value	166,556		181,752
Loans held-for-sale, at lower of cost or fair value	94,877		110,426
Loans held-in-portfolio:
Loans held-in-portfolio	21,703,050		21,704,010
Covered Loans	2,870,054		2,984,427
Less- Unearned Income	91,273		92,144
Allowance for loan losses	640,348		640,555
Total loans held-in-portfolio, net	23,841,483		23,955,738
FDIC loss share asset	833,721		948,608
Premises and equipment, net	513,855		519,516
Accrued income receivable	125,895		131,536
Mortgage servicing assets, at fair value	156,529		161,099
Other Assets	1,747,646		1,687,558
Goodwill	647,757		647,757
Other intangible assets	42,625		45,132
Total assets	36,744,162		35,749,333
Deposits Abstract
Non-interest bearing	6,326,596		5,922,682
Interest bearing	20,939,055		20,788,463
Total deposits	27,265,651		26,711,145
Federal Funds Purchased and Securities Sold Under Agreements To Repurchase	2,208,213		1,659,292
Other short-term borrowings	1,200		401,200
Notes Payable	1,506,408		1,584,754
Other liabilities	1,016,943		766,792
Total liabilities	31,998,415		31,123,183
Stockholders Equity Abstract
Preferred stock	50,160		50,160
Common stock	1,035		1,034
Surplus	4,171,817		4,170,152
Accumulated deficit	679,908		594,430
Treasury stock	(898)		(881)
Accumulated other comprehensive (loss) income, net of tax	(156,275)	[1]	(188,745)
Total stockholders' equity	4,745,747		4,626,150
Total liabilities and stockholders' equity	36,744,162		35,749,333
Non Covered Under Loss Sharing Agreements With F D I C [Member]
Loans held-in-portfolio:
Other real estate owned	136,965		135,501
Covered Under Loss Sharing Agreements With F D I C [Member]
Loans held-in-portfolio:
Covered Loans	2,870,054		2,984,427
Other real estate owned	$ 158,747		$ 168,007

[1] All amounts presented are net of tax.