Loan Quality (Internal Credit Rating For The Loan Portfolio) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	$ 858,576	$ 782,016
Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	835,524	754,162
Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,387	10,303
Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	18,665	17,551
Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Residential Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	215,611	212,391
Residential Real Estate [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	212,066	208,199
Residential Real Estate [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,970	2,150
Residential Real Estate [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,575	2,042
Residential Real Estate [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Residential Real Estate [Member] | First Liens [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	163,086	161,478
Residential Real Estate [Member] | First Liens [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	159,758	157,514
Residential Real Estate [Member] | First Liens [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,942	2,122
Residential Real Estate [Member] | First Liens [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	1,386	1,842
Residential Real Estate [Member] | First Liens [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	52,525	50,913
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	52,308	50,685
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	28	28
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	189	200
Residential Real Estate [Member] | Junior Liens & Lines Of Credit [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Residential Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	8,656	7,888
Residential Real Estate - Construction [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	7,833	7,386
Residential Real Estate - Construction [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	823	502
Residential Real Estate - Construction [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	375,316	340,695
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	360,788	319,985
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	359	6,175
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	14,169	14,535
Commercial Real Estate [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Commercial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	254,274	215,942
Commercial [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	250,118	213,492
Commercial [Member] | Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,058	1,978
Commercial [Member] | Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	2,098	472
Commercial [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,719	5,100
Consumer [Member] | Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount	4,719	5,100
Consumer [Member] | Doubtful [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans and Leases Receivable, Gross, Carrying Amount