Loans And Credit Quality (Schedule Of Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 929	$ 894
Current	1,106,176	1,088,724
Total Loan Receivables	1,107,105	1,089,618
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	104	852
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	566
Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	259	42
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		514
Current	453,147	451,737
Total Loan Receivables	453,147	452,251
Commercial real estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		514
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	50
Current	43,713	48,114
Total Loan Receivables	43,763	48,114
Commercial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	50
Residential real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	879	378
Current	597,842	576,059
Total Loan Receivables	598,721	576,437
Residential real estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	54	336
Residential real estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	566
Residential real estate [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	259	42
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2
Current	694	638
Total Loan Receivables	694	640
Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2
Construction [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	10,780	12,176
Total Loan Receivables	$ 10,780	$ 12,176