Loans And Allowance For Loan Losses (Schedule Of Loan Modifications Classified As TDRs) (Details) (Commercial Real Estate [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 contract	Dec. 31, 2011 contract
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts	3	5
Pre-Modifications Outstanding Recorded Investment	$ 572	$ 2,718
Post-Modifications Outstanding Recorded Investment	$ 572	$ 2,718