Allowance For Loan Losses And Credit Quality Of Financing Receivables (Allowances Of Loan Losses And Loans Receivable By Class Disaggregated) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	$ 5,752	$ 5,763	$ 5,641	$ 5,854	$ 5,437	$ 5,421
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment	481		288
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	4,479		4,739
Balance, Loans Receivable	479,523		472,461
Loans Receivable, Individually Evaluated for Impairment	6,625		7,513
Loans Receivable, Collectively Evaluated for Impairment	472,898		464,948
Commercial And Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	$ 86	138	231	257	289	222
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment			51
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	$ 86		180
Balance, Loans Receivable	17,900		20,549
Loans Receivable, Individually Evaluated for Impairment	20		94
Loans Receivable, Collectively Evaluated for Impairment	17,880		20,455
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	$ 277	388	$ 383	354	315	308
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	$ 277		$ 383
Balance, Loans Receivable	$ 11,341		$ 12,379
Loans Receivable, Individually Evaluated for Impairment
Loans Receivable, Collectively Evaluated for Impairment	$ 11,341		$ 12,379
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	3,613	3,787	3,491	3,750	3,687	3,399
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment	261		136
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	3,352		3,355
Balance, Loans Receivable	328,909		326,370
Loans Receivable, Individually Evaluated for Impairment	4,569		5,105
Loans Receivable, Collectively Evaluated for Impairment	324,340		321,265
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	898	841	903	837	862	941
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment	147		101
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	751		802
Balance, Loans Receivable	120,126		111,498
Loans Receivable, Individually Evaluated for Impairment	1,898		2,314
Loans Receivable, Collectively Evaluated for Impairment	118,228		109,184
Consumer And Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	86	88	$ 19	13	19	16
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment	73
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment	13		$ 19
Balance, Loans Receivable	1,247		$ 1,665
Loans Receivable, Individually Evaluated for Impairment	138
Loans Receivable, Collectively Evaluated for Impairment	1,109		$ 1,665
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Allowance for Loan Losses	$ 792	$ 521	$ 614	$ 643	$ 265	$ 535
Allowance for Loan Losses, Balance Related to Loans Individually Evaluated for Impairment
Allowance for Loan Losses, Balance Related to Loans Collectively Evaluated for Impairment
Balance, Loans Receivable
Loans Receivable, Individually Evaluated for Impairment
Loans Receivable, Collectively Evaluated for Impairment