Allowance for Loan Losses (Nonaccrual and Past Due Loans By Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 5,894	$ 6,158
Current	489,679	463,662
Total Loans	495,573	469,820	$ 444,273
90 or More Days Past Due Still Accruing	307	6
Nonaccrual Loans	5,285	10,706
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,371	3,700
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	481	758
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,042	1,700
Commercial - Non Real Estate Commercial And Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1	28
Current	29,365	28,104
Total Loans	29,366	28,132
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	475	2,106
Commercial - Non Real Estate Commercial And Industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1	28
Commercial - Non Real Estate Commercial And Industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial - Non Real Estate Commercial And Industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	765	2,191
Current	108,942	97,516
Total Loans	109,707	99,707
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	1,614	2,591
Commercial Real Estate Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	623	2,191
Commercial Real Estate Owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	142	0
Commercial Real Estate Owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	801	1,074
Current	64,664	60,518
Total Loans	65,465	61,592
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	948	1,231
Commercial Real Estate Non-Owner Occupied [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	56
Commercial Real Estate Non-Owner Occupied [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	55	210
Commercial Real Estate Non-Owner Occupied [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	746	808
Construction And Farmland Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	50	52
Current	8,509	5,149
Total Loans	8,559	5,201
90 or More Days Past Due Still Accruing	0	0
Construction And Farmland Residential [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	50
Construction And Farmland Residential [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	52
Construction And Farmland Residential [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0
Construction And Farmland Commercial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	428	57
Current	32,582	31,231
Total Loans	33,010	31,288
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	310	787
Construction And Farmland Commercial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	356	0
Construction And Farmland Commercial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	72	0
Construction And Farmland Commercial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	57
Consumer Installment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	46	71
Current	13,484	13,803
Total Loans	13,530	13,874
90 or More Days Past Due Still Accruing	0	6
Nonaccrual Loans	0	0
Consumer Installment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	43	50
Consumer Installment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3	15
Consumer Installment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	6
Residential Equity Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	175	358
Current	34,246	30,763
Total Loans	34,421	31,121
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	276	331
Residential Equity Lines [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	175	132
Residential Equity Lines [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	41
Residential Equity Lines [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	185
Residential Single Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,628	2,327
Current	191,602	191,246
Total Loans	195,230	193,573
90 or More Days Past Due Still Accruing	307	0
Nonaccrual Loans	1,662	3,660
Residential Single Family [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,123	1,243
Residential Single Family [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	209	440
Residential Single Family [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,296	644
Residential Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,975	3,016
Total Loans	3,975	3,016
90 or More Days Past Due Still Accruing	0	0
All Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	2,310	2,316
Total Loans	2,310	2,316	$ 3,041
90 or More Days Past Due Still Accruing	$ 0	$ 0