Loans (Interest Income On Non-Accrual Loans) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	$ 5,026	$ 6,570	$ 4,635
Loans 90 day past due and accruing	164	239	457
Total non-performing loans	5,190	6,809	5,092
Interest income that would have been recorded under original terms, non-accrual loans	104	135
Interest income that would have been recorded under original terms, 90 days past due and accruing	1	5
Interest income that would have been recorded under original terms	105	140
Interest income recorded during the period, 90 days past due and accruing	1	5
Interest income recorded during the period	1	5
Net impact on interest income, non-accrual loans	104	135
Net impact on interest income	104	135
Residential Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	1,781	2,446	1,619
Loans 90 day past due and accruing	164		457
Interest income that would have been recorded under original terms, non-accrual loans	19	16
Net impact on interest income, non-accrual loans	19	16
Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	1,025	1,262	1,048
Interest income that would have been recorded under original terms, non-accrual loans	20	21
Net impact on interest income, non-accrual loans	20	21
Commercial Term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	210	196	188
Interest income that would have been recorded under original terms, non-accrual loans	3	2
Net impact on interest income, non-accrual loans	3	2
Commercial Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	1,237	2,043	1,028
Interest income that would have been recorded under original terms, non-accrual loans	41	84
Net impact on interest income, non-accrual loans	41	84
Consumer: Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	574	429	563
Interest income that would have been recorded under original terms, non-accrual loans	16	7
Net impact on interest income, non-accrual loans	16	7
Consumer: Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Non-accrual loans	199	194	$ 189
Interest income that would have been recorded under original terms, non-accrual loans	5	5
Net impact on interest income, non-accrual loans	$ 5	$ 5