Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Operating Activities
Net income (loss)	$ 75,444		$ (118,408)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for loan losses	110,271		261,905
Depreciation, amortization, and accretion, net	28,234		23,412
Deferred income tax expense (benefit)	153		(5,304)
Decrease in interest receivable	8,006		10,950
Decrease in interest payable	(2,511)		(10,248)
Decrease in trading account assets	4,535		6,164
Originations of mortgage loans held for sale	(512,192)		(392,707)
Proceeds from sales of mortgage loans held for sale	552,708		542,665
(Gains) losses on sale of mortgage loans held for sale, net	(2,526)		296
Decrease in prepaid and other assets	52,713		55,864
Decrease in accrued salaries and benefits	(4,544)		(6,388)
Decrease in other liabilities	(15,235)		(3,687)
Investment securities gains, net	(24,253)		(1,797)
Gains on sales of other loans held for sale, net	(99)		(1,746)
Losses on other real estate, net	33,859		54,543
(Increase) decrease in fair value of private equity investments, net	(7,372)		169
Gains on sales of other assets held for sale, net	(164)		(261)
Write downs on other loans held for sale	2,806		11,313
Writedowns on other assets held for sale	1,228		5,698
Share-based compensation	4,510		2,363
Other, net	(438)		(7,732)
Net cash provided by operating activities	305,133		427,064
Investing Activities
Net increase in interest earning deposits with banks	(2,413)		(7,687)
Net decrease in federal funds sold and securities purchased under repurchase agreements	40,818		32,922
Net decrease in interest bearing funds with Federal Reserve Bank	265,762		258,619
Proceeds from maturities and principal collections of investment securities available for sale	584,914		573,759
Proceeds from sales of investment securities available for sale	733,621		17,044
Purchases of investment securities available for sale	(1,202,234)		(389,724)
Proceeds from sales of other loans held for sale	177,510		194,220
Proceeds from sale of other real estate	70,496		88,003
Principal payments on other loans held for sale	4,133		28,305
Net (increase) decrease in loans	(53,111)		425,919
Purchases of premises and equipment	(9,263)		(9,014)
Proceeds from disposals of premises and equipment	3,005		2,014
Proceeds from sale of other assets held for sale	1,740		492
Net cash provided by investing activities	614,978		1,214,872
Financing Activities
Net increase (decrease) in demand and savings deposits	281,637		(347,750)
Net (decrease) in certificates of deposit	(1,128,324)		(1,277,537)
Net increase (decrease) in federal funds purchased and other short-term borrowings	37,416		(46,760)
Principal repayments on long-term debt	(351,331)		(74,706)
Proceeds from issuance of long-term debt	293,370		165,000
Dividends paid to common shareholders	(15,803)		(15,705)
Dividends paid to preferred shareholders	(24,197)		(24,197)
Net cash used in financing activities	(907,232)		(1,621,655)
Increase in cash and cash equivalents	12,879		20,281
Cash and cash equivalents at beginning of period	510,423		389,021
Cash and cash equivalents at end of period			409,302
Supplemental Cash Flow Information
Income tax (refunds) payments, net	(8,339)		225
Interest paid	61,555		104,760
Non-cash Investing Activities:
(Decrease) increase in net unrealized gains on investment securities available for sale	(13,177)	[1]	20,665	[1]
Decrease in net unrealized gains on hedging instruments	(1,555)	[1]	(6,974)	[1]
Mortgage loans held for sale transferred to loans at fair value	1,542		6,377
Loans foreclosed and transferred to other real estate at fair value	71,928		125,356
Loans transferred to other loans held for sale, at fair value	189,029		289,587
Other loans held for sale foreclosed and transferred to other real estate at fair value	3,136		8,137
Premises and equipment transferred to other assets held for sale	2,402		28,048
Impairment loss on investment securities available for sale	$ (450)		$ 0

[1] Changes in net unrealized gains on investment securities available for sale, fair value hedges, and cash flow hedges have not been adjusted for the impact of deferred taxes.