Loans (Total Loans And Leases Outstanding) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	$ 470,396		$ 455,603
Less allowance for credit losses	(4,729)	$ (5,108)	(4,906)	$ (4,887)	$ (4,887)	$ (4,623)
Net loans and leases	465,667		450,697
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	27,591		25,993
Less allowance for credit losses	(194)	(265)	(269)	(319)	(315)	(285)
Commercial Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	287,161		257,310
Less allowance for credit losses	(2,491)	(2,562)	(2,300)	(2,184)	(2,131)	(2,010)
Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	77,020		80,819
Less allowance for credit losses	(719)	(721)	(709)	(749)	(641)	(621)
Commercial Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	20,679		35,534
Less allowance for credit losses	(678)	(774)	(881)	(776)	(1,019)	(1,033)
Consumer: Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	52,540		50,192
Less allowance for credit losses	(200)	(190)	(189)	(176)	(176)	(156)
Consumer: Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and leases	5,405		5,755
Less allowance for credit losses	$ (66)	$ (65)	$ (70)	$ (71)	$ (98)	$ (78)