Allowance For Credit Losses (Age Analysis Of Past Due Loans Receivables) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	$ 7,060	$ 5,094
Current	487,357	476,664
Total Loans Receivables	494,417	481,758
Loans Receivable >90 Days and Accruing	162	457	$ 168
30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	290	645
60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,583	1,529
Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	4,187	2,920
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,375	3,130
Current	24,563	25,521
Total Loans Receivables	26,938	28,651
Loans Receivable >90 Days and Accruing	162	457
Residential Mortgage [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	134	502
Residential Mortgage [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	381	552
Residential Mortgage [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	1,860	2,076
Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,350	218
Current	273,339	273,914
Total Loans Receivables	275,689	274,132
Commercial Mortgage [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables		36
Commercial Mortgage [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,140	86
Commercial Mortgage [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	210	96
Commercial Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	24
Current	105,965	102,178
Total Loans Receivables	105,989	102,178
Commercial Term [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	24
Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	1,524	1,028
Current	28,248	19,336
Total Loans Receivables	29,772	20,364
Commercial Construction [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables		581
Commercial Construction [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	1,524	447
Consumer: Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	495	470
Current	49,753	50,800
Total Loans Receivables	50,248	51,270
Consumer: Home Equity [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	84	7
Consumer: Home Equity [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables		310
Consumer: Home Equity [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	411	153
Consumer: Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	292	248
Current	5,489	4,915
Total Loans Receivables	5,781	5,163
Consumer: Other [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	72	100
Consumer: Other [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	62
Consumer: Other [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	$ 158	$ 148