Loans Receivable And Credit Quality (Schedule Of Past Due Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 3,135	$ 6,426
Current	921,540	851,867
Total Loan Receivables	924,675	858,293
Loans Receivable > 90 Days and Accruing	660
30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,567	3,888
60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	580	1,800
Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	988	738
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,083	2,956
Current	395,584	344,336
Total Loan Receivables	396,667	347,292
Loans Receivable > 90 Days and Accruing	500
Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due		2,852
Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	480
Commercial Real Estate [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	603	104
Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	210
Current	39,920	36,406
Total Loan Receivables	40,130	36,406
Loans Receivable > 90 Days and Accruing	160
Commercial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	51
Commercial [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	159
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,842	3,470
Current	462,941	440,131
Total Loan Receivables	464,783	443,601
Residential Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,516	1,036
Residential Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	100	1,800
Residential Real Estate [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	226	634
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	705	904
Total Loan Receivables	705	904
Construction [Member] | Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	22,390	30,090
Total Loan Receivables	$ 22,390	$ 30,090