Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 57,235	$ (29,168)	$ (856)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for loan losses	47,000	263,010
Depreciation and amortization	15,918	14,984
Addition to (recovery of) valuation allowance on mortgage servicing rights, net	5,763	(2,698)
Amortization of mortgage servicing rights	11,637	11,105
Amortization of other intangible assets	2,356	2,507
Amortization and accretion on earning assets, funding, and other, net	30,421	29,452
Tax benefit from exercise of stock options	11	7
(Gain) loss on sales of investment securities, net and impairment write-downs	58	(23,435)
Loss on sales of assets, net	2,195	164
Gain on mortgage banking activities, net	(10,581)	(12,448)
Mortgage loans originated and acquired for sale	(540,893)	(956,711)
Proceeds from sales of mortgage loans held for sale	605,375	893,763
Decrease in interest receivable	3,752	7,217
Increase (decrease) in interest payable	1,585	(1,040)
Net change in other assets and other liabilities	41,184	51,795
Net cash provided by operating activities	273,016	248,504
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in loans	(640,916)	881,697
Purchases of:
Investment securities	(433,972)	(1,034,757)
Premises, equipment, and software, net of disposals	(23,023)	(8,065)
Other assets	(1,349)	(2,137)
Proceeds from:
Sales of investment securities	16,799	577,537
Calls and maturities of investment securities	829,838	977,108
Sales of other assets	25,576	37,084
Sales of loans originated for investment	39,184	172,946
Net cash provided by (used in) investing activities	(187,863)	1,601,413
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits	(1,159,343)	241,586
Net increase (decrease) in short-term funding	1,508,288	(713,447)
Repayment of long-term funding	(228,078)	(510,291)
Proceeds from issuance of long-term funding	297,240	400,000
Proceeds from issuance of common stock		478,358
Redemption of preferred stock	(262,500)
Cash dividends on common stock	(3,487)	(3,472)
Cash dividends on preferred stock	(10,062)	(13,125)
Purchase of treasury stock	(616)	(805)
Net cash provided by (used in) financing activities	141,442	(121,196)
Net increase in cash and cash equivalents	226,595	1,728,721
Cash and cash equivalents at beginning of period	868,162	820,692	820,692
Cash and cash equivalents at end of period	1,094,757	2,549,413	868,162
Supplemental disclosures of cash flow information:
Cash paid for interest	65,521	113,318
Cash (received) paid for income taxes	5,052	(49,937)
Loans and bank premises transferred to other real estate owned	28,917	25,256
Capitalized mortgage servicing rights	$ 6,584	$ 10,283