Allowance For Loan Losses (Schedule Of Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
With no related allowance recorded, Recorded investment	$ 10,358	$ 10,679
With no related allowance recorded, Unpaid principal balance	14,038	15,548
With an allowance recorded, Recorded investment	3,126
With an allowance recorded, Unpaid principal balance	3,126
Related allowance	750
Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance recorded, Recorded investment	9,594	9,912
With no related allowance recorded, Unpaid principal balance	13,274	14,781
With an allowance recorded, Recorded investment	3,126
With an allowance recorded, Unpaid principal balance	3,126
Related allowance	750
Residential Real Estate [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance recorded, Recorded investment	466	469
With no related allowance recorded, Unpaid principal balance	466	469
Home equity - junior lien [Member]
Financing Receivable, Impaired [Line Items]
With no related allowance recorded, Recorded investment	298	298
With no related allowance recorded, Unpaid principal balance	$ 298	$ 298