Loans And The Allowance For Credit Losses (Summary Of Restructurings During The Periods) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012 loan	Sep. 30, 2011 loan	Sep. 30, 2012 loan	Sep. 30, 2011 loan
Real Estate Loans – Residential [Member] | First Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	1	3	2
Pre-modification Outstanding Recorded Investment	$ 0	$ 105	$ 90	$ 158
Post-modification Outstanding Recorded Investment	0	104	90	156
Real Estate Loans – Commercial [Member] | Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0		1
Pre-modification Outstanding Recorded Investment	0		180
Post-modification Outstanding Recorded Investment	$ 0		$ 180