Allowance For Credit Losses (Age Analysis Of Past Due Loans Receivables) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	$ 5,094	$ 7,387
Current	476,664	448,216
Total Loans Receivables	481,758	455,603
Loans Receivable >90 Days and Accruing	457	334
30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	645	1,182
60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	1,529	773
Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,920	5,432
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	3,130	3,955
Current	25,521	22,038
Total Loans Receivables	28,651	25,993
Loans Receivable >90 Days and Accruing	457	191
Residential Mortgage [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	502	1,005
Residential Mortgage [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	552	302
Residential Mortgage [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	2,076	2,648
Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	218	471
Current	273,914	256,839
Total Loans Receivables	274,132	257,310
Commercial Mortgage [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	36	48
Commercial Mortgage [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	86	187
Commercial Mortgage [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	96	236
Commercial Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	102,178	80,819
Total Loans Receivables	102,178	80,819
Commercial construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	1,028	2,043
Current	19,336	33,491
Total Loans Receivables	20,364	35,534
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	447	2,043
Consumer: Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	470	658
Current	50,800	49,534
Total Loans Receivables	51,270	50,192
Loans Receivable >90 Days and Accruing		119
Consumer: Home Equity [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	7	58
Consumer: Home Equity [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	310	214
Consumer: Home Equity [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	153	386
Consumer: Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	248	260
Current	4,915	5,495
Total Loans Receivables	5,163	5,755
Loans Receivable >90 Days and Accruing		24
Consumer: Other [Member] | 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	100	71
Consumer: Other [Member] | 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables		70
Consumer: Other [Member] | Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past due loans receivables	$ 148	$ 119