Consolidated Statements Of Cash Flow - USD ($)	6 Months Ended
	Jun. 30, 2015		Jun. 30, 2014
Operating Activities
Net income/(loss)	$ (17,448,000)		$ 131,908,000
Adjustments to reconcile net income/(loss) to net cash provided/(used) by operating activities:
Provision for loan losses	7,000,000		15,000,000
Provision/(benefit) for deferred income taxes	(1,592,000)		7,578,000
Depreciation and amortization of premises and equipment	18,229,000		18,016,000
Amortization of intangible assets	2,596,000		1,963,000
Net other amortization and accretion	11,731,000		8,003,000
Net (increase)/decrease in derivatives	(615,000)		559,000
Fair value adjustment to foreclosed real estate	1,660,000		1,391,000
Litigation and regulatory matters	162,500,000		490,000
Stock-based compensation expense	6,474,000		5,687,000
Tax benefit/(benefit reversal) - stock-based compensation expense	91,000		1,705,000
Equity securities (gains)/losses, net	(284,000)		(3,734,000)
(Gains)/losses on extinguishment of debt	0		4,350,000
Loss on deconsolidation of securitization trusts	0		1,960,000
Net (gains)/losses on sale/disposal of fixed assets	(2,872,000)		2,114,000
Proceeds from sale of mortgage servicing rights	0		69,919,000
Loans held-for-sale:
Purchases	(1,178,000)		(4,582,000)
Gross proceeds from settlements and sales	15,561,000		22,071,000
Fair value adjustments and other	(294,000)		(6,282,000)
Net (increase)/decrease in:
Trading securities	59,890,000		(347,692,000)
Fixed income receivables	(48,581,000)		(128,969,000)
Interest receivable	9,955,000		2,072,000
Other assets	(48,727,000)		321,987,000
Net increase/(decrease) in:
Trading liabilities	138,250,000		337,771,000
Fixed income payables	36,144,000		74,126,000
Interest payable	(7,613,000)		(608,000)
Other liabilities	(229,785,000)		(146,228,000)
Total adjustments	128,540,000		258,667,000
Net cash provided/(used) by operating activities	111,092,000		390,575,000
Available-for-sale securities:
Sales	284,000		4,555,000
Maturities	327,315,000		310,067,000
Purchases	(427,717,000)		(449,425,000)
Premises and equipment:
Sales	40,369,000		32,000
Purchases	(15,751,000)		(15,451,000)
Net (increase)/decrease in:
Loans	(722,062,000)		(426,934,000)
Interests retained from securitizations classified as trading securities	1,011,000		689,000
Interest-bearing cash	1,277,023,000		474,377,000
Net cash provided/(used) by investing activities	480,472,000		(102,090,000)
Common stock:
Stock options exercised	4,715,000		624,000
Cash dividends paid	(26,020,000)		(23,878,000)
Repurchase of shares	(20,031,000)	[1]	(4,871,000)
Tax benefit/(benefit reversal) - stock-based compensation expense	(91,000)		(1,705,000)
Cash dividends paid - preferred stock - noncontrolling interest	(5,703,000)		(5,687,000)
Cash dividends paid - Series A preferred stock	(3,100,000)		(3,100,000)
Term borrowings:
Payments/maturities	(312,808,000)		(13,615,000)
Increases in restricted and secured term borrowings	0		2,089,000
Net cash paid to deconsolidate/collapse securitization trusts	0		(225,151,000)
Net increase/(decrease) in:
Deposits	605,867,000		(578,136,000)
Short-term borrowings	(737,512,000)		830,158,000
Net cash provided/(used) by financing activities	(494,683,000)		(23,272,000)
Net increase/(decrease) in cash and cash equivalents	96,881,000		265,213,000
Cash and cash equivalents at beginning of period	1,071,405,000		827,909,000
Cash and cash equivalents at end of period	1,168,286,000		1,093,122,000
Supplemental Disclosures
Total interest paid	48,734,000		41,626,000
Total taxes paid	14,859,000		31,950,000
Total taxes refunded	215,000		1,880,000
Transfer from loans to other real estate owned	$ 8,293,000		$ 11,505,000

[1] 2015 includes $ 15.8 million repurchased under the share repurchase program launched in January 2014.