Allowance For Loan Losses And Credit Quality Of Financing Receivables (Changes In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	$ 5,752	$ 5,854	$ 5,641	$ 5,421
Charge-offs	(125)	(537)	(578)	(1,003)
Recoveries	13	14	72	60
Provision	1	378	506	1,231
Ending balance	5,641	5,709	5,641	5,709
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	86	257	231	222
Charge-offs			(19)	(1)
Recoveries	5	1	10	16
Provision	(8)	18	(139)	39
Ending balance	83	276	83	276
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	277	354	383	308
Provision	(57)	(53)	(163)	(7)
Ending balance	220	301	220	301
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	3,613	3,750	3,491	3,399
Charge-offs	(119)	(495)	(542)	(853)
Recoveries	3	10	39	31
Provision	134	134	643	822
Ending balance	3,631	3,399	3,631	3,399
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	898	837	903	941
Charge-offs		(33)		(118)
Recoveries	4	1	17	5
Provision	26	14	8	(9)
Ending balance	928	819	928	819
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	86	13	19	16
Charge-offs	(6)	(9)	(17)	(31)
Recoveries	1	2	6	8
Provision	5	20	78	33
Ending balance	86	26	86	26
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning balance	792	643	614	535
Provision	(99)	245	79	353
Ending balance	$ 693	$ 888	$ 693	$ 888