Loans Receivable And Credit Quality (Schedule Of Loan Portfolio By Aggregate Risk Rating) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 829,068	$ 798,971
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	822,192	791,291
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		49
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	6,876	7,631
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	328,145	321,730
Commercial Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	322,564	315,579
Commercial Real Estate [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		20
Commercial Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,581	6,131
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	39,326	39,045
Commercial [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	39,326	38,916
Commercial [Member] | Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		29
Commercial [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		100
Commercial [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	38,597	28,606
Commercial [Member] | Construction [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	38,282	28,291
Commercial [Member] | Construction [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	315	315
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	422,056	408,872
Residential Real Estate [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	421,076	407,787
Residential Real Estate [Member] | Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	980	1,085
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	944	718
Consumer [Member] | Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 944	$ 718