Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating Activities:
Net income (loss)	$ 12,332	$ (4,164)
Adjustment to reconcile net income (loss) to net cash provided by operating activities:
Provision for credit losses	85,719	105,873
Depreciation and amortization	14,789	14,905
Deferred taxes	(267)	(6,732)
Amortization of intangibles	1,687	1,999
Amortization of debt securities premium and discount, net	13,936	2,418
Share-based compensation expense	1,285	898
Security gains, net	(10,062)	(712)
Net deferred loan origination expense	(4,384)	(4,561)
Excess tax benefit from exercise of stock options	(8)	(21)
Decrease in interest receivable	5,500	4,789
Decrease in interest payable	(2,988)	(2,080)
Realized gain on mortgages sold	(14,225)	(11,500)
Proceeds from mortgages sold	483,065	494,449
Origination of mortgages held for sale	(448,082)	(497,981)
Increase in bank-owned life insurance	(2,964)	(3,058)
(Increase) decrease in prepaid pension asset	(186)	21
Decrease in prepaid deposit insurance assessments	11,040	7,690
Other, net	(1,035)	(26,913)
Net cash provided by operating activities	145,152	75,320
Investing activities:
Proceeds from calls and maturities of held-to-maturity securities	135,781	290,273
Proceeds from calls and maturities of available-for-sale securities	131,124	66,708
Proceeds from sales of available-for-sale securities	180,057	91,533
Purchases of held-to-maturity securities	(151,105)	(404,821)
Purchases of available-for-sale securities	(119,089)	(157,397)
Net decrease in short-term investments	150,000	0
Net decrease in loans and leases	20,141	43,328
Purchases of premises and equipment	(10,520)	(7,861)
Proceeds from sale of premises and equipment	1,693	73
Contingency earn-out payment	(1,200)	0
Other, net	(31)	(40)
Net cash provided by (used in) investing activities	336,851	(78,204)
Financing activities:
Net (decrease) increase in deposits	(181,558)	542,939
Net decrease in short-term debt and other liabilities	(16,526)	(260,767)
Repayment of long-term debt	(75,000)	(22)
Issuance of common stock	110	534
Excess tax benefit from exercise of stock options	8	21
Payment of cash dividends	(10,018)	(36,727)
Net cash (used in) provided by financing activities	(282,984)	245,978
Increase in cash and cash equivalents	199,019	243,094
Cash and cash equivalents at beginning of period	272,086	238,445
Cash and cash equivalents at end of period	$ 471,105	$ 481,539