Allowance For Loan Losses (Schedule Of Troubled Debt Restructurings) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 contract	Dec. 31, 2012
Financing Receivable, Modifications [Line Items]
Accruing	$ 25,000	$ 23,128
Non-Accruing	210	580
Total	25,210	23,708
Number of Contracts	27
Pre-modification Outstanding Recorded Investment	2,999
Post-modification Outstanding Recorded Investment	2,999
Commercial And Industrial [Member]
Financing Receivable, Modifications [Line Items]
Accruing	101	101
Total	101	101
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Accruing	1,805	734
Total	1,805	734
Number of Contracts	1
Pre-modification Outstanding Recorded Investment	1,071
Post-modification Outstanding Recorded Investment	1,071
Residential Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Accruing	15,372	15,083
Non-Accruing	131	162
Total	15,503	15,245
Number of Contracts	9
Pre-modification Outstanding Recorded Investment	853
Post-modification Outstanding Recorded Investment	853
Home equity - junior lien [Member]
Financing Receivable, Modifications [Line Items]
Accruing	7,580	7,068
Non-Accruing	79	418
Total	7,659	7,486
Number of Contracts	17
Pre-modification Outstanding Recorded Investment	1,075
Post-modification Outstanding Recorded Investment	1,075
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Accruing	142	142
Total	$ 142	$ 142