Loans (Summary Of Loans Outstanding) (Details) - USD ($) $ in Thousands	9 Months Ended
	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	$ 770,675		$ 726,531
Allowance for loan losses	(9,873)	$ (9,450)	(9,111)	$ (8,935)	$ (9,519)	$ (9,702)
Net Loans	760,802		717,420
Change Amount	$ 44,144
Change %	6.10%
Allowance for loan losses, Change Amount	$ (762)
Allowance for loan losses, Change %	(8.40%)
Net Loans, Change Amount	$ 43,382
Net Loans, Change %	6.00%
Net unamortized deferred loan fees (costs)	$ 318		(76)
Loans pledged as collateral for borrowings and commitments from: FHLB	641,496		602,633
Loans pledged as collateral for borrowings and commitments from :Federal Reserve Bank	48,554		56,367
Total loans pledged as collateral	690,050		659,000
Residential properties in the process of foreclosure	61		763
Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	212,002		205,109
Change Amount	$ 6,893
Change %	3.40%
Residential Real Estate - Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 8,045		9,715
Allowance for loan losses	(209)	(220)	(226)	(234)	(261)	(291)
Change Amount	$ (1,670)
Change %	(17.20%)
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 337,597		326,482
Allowance for loan losses	(6,073)	(5,686)	(5,417)	(5,494)	(5,412)	(5,571)
Change Amount	$ 11,115
Change %	3.40%
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 207,757		179,071
Allowance for loan losses	(1,853)	(1,771)	(1,773)	(1,629)	(2,366)	(2,306)
Change Amount	$ 28,686
Change %	16.00%
Total Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 545,354		505,553
Change Amount	$ 39,801
Change %	7.90%
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 5,274		6,154
Allowance for loan losses	(112)	(121)	(136)	(127)	(135)	(148)
Change Amount	$ (880)
Change %	(14.30%)
Consumer First Liens [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 104,881		105,014
Change Amount	$ (133)
Change %	(0.10%)
Consumer Junior Liens And Lines Of Credit [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 43,024		38,132
Change Amount	$ 4,892
Change %	12.80%
Consumer [Member] | Residential Real Estate - Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 890		1,627
Change Amount	$ (737)
Change %	(45.30%)
Commercial Junior Liens And Lines Of Credit [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 6,014		5,663
Change Amount	$ 351
Change %	6.20%
Commercial [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 58,083		56,300
Change Amount	$ 1,783
Change %	3.20%
Commercial [Member] | Residential Real Estate - Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 7,155		8,088
Change Amount	$ (933)
Change %	(11.50%)
First Liens [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 162,964		161,314
Allowance for loan losses	(1,251)	$ (1,293)	(1,225)	$ (1,129)	$ (1,079)	$ (1,108)
Change Amount	$ 1,650
Change %	1.00%
Junior Lines And Lines Of Credit [Member] | Residential Real Estate Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	$ 49,038		$ 43,795
Change Amount	$ 5,243
Change %	12.00%