Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 98,574	$ (14,864)	$ (856)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Provision for loan losses	51,000	327,010
Depreciation and amortization	24,220	22,405
Addition to valuation allowance on mortgage servicing rights, net	8,966	6,052
Amortization of mortgage servicing rights	17,380	16,850
Amortization of other intangible assets	3,535	3,713
Amortization and accretion on earning assets, funding, and other, net	46,186	45,283
Tax benefit from exercise of stock options	11	7
(Gain) loss on sales of investment securities, net and impairment write-downs	802	(26,800)
Loss on sales of assets, net	3,374	2,518
Gain on mortgage banking activities, net	(15,141)	(22,945)
Mortgage loans originated and acquired for sale	(1,011,423)	(1,684,579)
Proceeds from sales of mortgage loans held for sale	960,423	1,642,860
Decrease in interest receivable	2,865	5,372
Decrease in interest payable	(7,191)	(6,422)
Net change in other assets and other liabilities	59,081	36,769
Net cash provided by operating activities	242,662	353,229
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in loans	(1,094,612)	901,593
Purchases of:
Investment securities	(533,674)	(1,850,368)
Premises, equipment, and software, net of disposals	(49,312)	(15,657)
Other assets	(2,545)	(2,156)
Proceeds from:
Sales of investment securities	17,916	963,201
Calls and maturities of investment securities	1,216,224	1,431,674
Sales of other assets	38,160	49,179
Sales of loans originated for investment	39,184	286,330
Net cash provided by (used in) investing activities	(368,659)	1,763,796
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase (decrease) in deposits	(442,983)	76,247
Net increase (decrease) in short-term funding	784,394	(687,590)
Repayment of long-term funding	(370,091)	(640,304)
Proceeds from issuance of long-term funding	432,504	400,000
Proceeds from issuance of common stock	0	478,358
Proceeds from issuance of preferred stock	63,272	0
Redemption of preferred stock	(525,000)	0
Cash dividends on common stock	(5,231)	(5,210)
Cash dividends on preferred stock	(12,918)	(19,688)
Purchase of treasury stock	(640)	(813)
Net cash used in financing activities	(76,693)	(399,000)
Net increase(decrease) in cash and cash equivalents	(202,690)	1,718,025
Cash and cash equivalents at beginning of period	868,162	820,692	820,692
Cash and cash equivalents at end of period	665,472	2,538,717	868,162
Supplemental disclosures of cash flow information:
Cash paid for interest	106,302	140,065
Cash (received) paid for income taxes	17,517	(50,351)
Loans and bank premises transferred to other real estate owned	37,168	37,347
Capitalized mortgage servicing rights	$ 9,807	$ 18,632