Consolidated Condensed Statements Of Cash Flow (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Operating Activities
Net income/(loss)	$ 44,969		$ 33,371
Adjustments to reconcile net income/(loss) to net cash provided/(used) by operating activities:
Provision for loan losses	15,000		8,000
Provision/(benefit) for deferred income tax	9,819		8,431
Depreciation and amortization of premises and equipment	8,802		8,717
Amortization of intangible assets	928		973
Net other amortization and accretion	9,822		19,596
Net (increase)/decrease in derivatives	(1,732)		(3,374)
Market value adjustment on mortgage servicing rights	(833)		(4,471)
Repurchase and foreclosure provision	0		49,256
Fair value adjustment to foreclosed real estate	1,018		5,225
Litigation and regulatory matters	5,170		153
(Gain)/losses on divestitures	(638)		0
Stock-based compensation expense	4,220		3,858
Tax benefit reversals stock-based compensation plans	480		1,238
Equity securities (gains)/losses, net	(24)		0
Debt securities gains, net	0		(328)
Net (gain)/losses on sale/disposal of fixed assets	387		68
Net (increase)/decrease in:
Trading securities	(136,439)		(251,488)
Loans held-for-sale	11,063		(18,008)
Capital markets receivables	(229,413)		(357,014)
Interest receivable	(9,932)		(7,844)
Other assets	11,421		(21,650)
Net increase/(decrease) in:
Capital markets payables	164,883		196,310
Interest payable	15,323		15,711
Other liabilities	(88,882)		(69,302)
Trading liabilities	216,877		220,286
Total adjustments	7,320		(195,657)
Net cash provided/(used) by operating activities	52,289		(162,286)
Available-for-sale securities:
Sales	0		39,097
Maturities	300,178		202,993
Purchases	(442,309)		(474,673)
Premises and equipment:
Purchases	(5,656)		(2,435)
Net (increase)/decrease in:
Loans	795,824		378,681
Interests retained from securitizations classified as trading securities	1,413		1,664
Interest-bearing cash	(77,809)		(308,242)
Cash receipts related to divestitures	1,638		0
Net cash provided/(used) by investing activities	573,279		(162,915)
Common stock:
Stock options exercised	16		0
Cash dividends paid	(2,488)		(2,575)
Repurchase of shares	(32,495)	[1]	(46,624)	[1]
Tax benefit reversals stock-based compensation plans	(480)		(1,238)
Preferred stock issuance	95,624		0
Cash dividends paid - preferred stock - noncontrolling interest	(2,875)		(2,844)
Term borrowings:
Payments/maturities	(14,306)		(131,686)
Increases in restricted and secured term borrowings	3,196		859
Net increase/(decrease) in:
Deposits	(425,242)		722,161
Short-term borrowings	(311,084)		(76,798)
Net cash provided/(used) by financing activities	(690,134)		461,255
Net increase/(decrease) in cash and cash equivalents	(64,566)		136,054
Cash and cash equivalents at beginning of period	1,106,262		828,255
Cash and cash equivalents at end of period	1,041,696		964,309
Supplemental Disclosures
Total interest paid	9,285		13,708
Total taxes paid	1,488		27,927
Total taxes refunded	2,377		617
Transfer from loans to other real estate owned	$ 1,217		$ 10,207

[1] Quarters ended March 31, 2013 and 2012, include $30.0 million and $44.5 million, respectively, repurchased under the share repurchase program launched in fourth quarter 2011.