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Loans, Allowance For Loan Losses And OREO (Schedule Of Loan Modifications Classified As TDRs) (Details) (Commercial [Member], USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2011 contract
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	5
Pre-Modifications Outstanding Recorded Investment	$ 3,345,376
Post-Modifications Outstanding Recorded Investment	$ 3,345,376

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