Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 334,177		$ 12,972
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	8,000		20,000
Net gain on sales of loans	(42,969)		(13,434)
Net gain on sales of investments and MBS	(9,463)		(14,298)
Net gain on mortgage servicing rights	(1,143)		(5,115)
Other than temporary impairment	6,819	[1]	0	[1]
Stock based compensation	1,837		1,959
(Gain) loss on OREO	(1,605)		10,564
Release of DTA valuation allowance	(288,842)		0
Increase in cash surrender value of BOLI	(5,390)		(3,310)
Depreciation and amortization	22,192		19,122
Change in:
Accrued interest receivable	5,050		2,069
Prepaid expenses and other assets	(32,479)		1,742
Accrued interest payable	(16,728)		2,801
Accrued expenses and other liabilities	7,276		(10,257)
Proceeds from sales of loans originated for sale	1,205,473		871,842
Loans originated for sale	(1,158,269)		(828,385)
Net cash provided by operating activities	33,936		68,272
Cash flows from investing activities:
Change in restricted cash	(17,431)		249
Net change in loans	(243,657)		(169,304)
Proceeds from sales of loans	20,515		31,899
Purchase of investment securities	(2,534)		(2,000)
Proceeds from maturities of investment securities	17,505		294
Proceeds from sale of investment securities	179,235		30,987
Purchase of MBS	(72,032)		(242,841)
Principal payments received on MBS	314,414		229,210
Proceeds from sales of MBS	183,636		353,444
Office properties and equipment, net	(4,647)		(9,595)
Improvements and other changes to OREO	(1,250)		(5,061)
Proceeds from sales of OREO	51,515		155,566
Net change in cash and cash equivalents from acquisitions	121,098		0
Net cash provided by investing activities	546,367		372,848
Cash flows from financing activities:
Net change in deposits	(384,963)		(307,009)
Repayment of advances from FHLB	(200,104)		(98)
Net change in securities sold under repurchase agreements and funds purchased	(49,439)		26,182
Proceeds from stock issuance, net	236		0
Net cash used in financing activities	(634,270)		(280,925)
Net change in cash and cash equivalents	(53,967)		160,195
Cash and cash equivalents, beginning of period	470,599		411,583
Cash and cash equivalents, end of period	416,632		571,778
Supplemental disclosures:
Interest	62,287		54,233
Income taxes, net	56		0
Noncash financing and investing activities:
Foreclosed real estate acquired in settlement of loans	$ 22,551		$ 100,822

[1] The other-than-temporary impairment recognized in earnings during the second quarter of 2012 did not have a portion recognized in accumulated other comprehensive income. See Note 3.