Loans and Allowance for Loan Losses (Nonaccrual And Past Due Loans By Class) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 5,235	$ 2,187
Current	614,377	605,128
Total Loans	619,612	607,315
90 or More Days Past Due Still Accruing	0	695
Nonaccrual Loans	3,270	2,118
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,011	1,091
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	971	196
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,253	900
Commercial - Non Real Estate Commercial And Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	161	127
Current	34,637	32,959
Total Loans	34,798	33,086
90 or More Days Past Due Still Accruing	0
Nonaccrual Loans	1,011	1,081
Commercial - Non Real Estate Commercial And Industrial | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	126	127
Commercial - Non Real Estate Commercial And Industrial | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	35	0
Commercial - Non Real Estate Commercial And Industrial | 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
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	809	0
Current	135,090	136,309
Total Loans	135,899	136,309
Nonaccrual Loans	0	0
Commercial Real Estate Owner Occupied | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Owner Occupied | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	809	0
Commercial Real Estate Owner Occupied | 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
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Current	127,958	129,286
Total Loans	127,958	129,286
Nonaccrual Loans	356	364
Commercial Real Estate Non-Owner Occupied | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Non-Owner Occupied | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Commercial Real Estate Non-Owner Occupied | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction And Farmland Residential
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Current	6,361	6,706
Total Loans	6,361	6,706
Nonaccrual Loans	0	0
Construction And Farmland Residential | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction And Farmland Residential | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction And Farmland Residential | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction And Farmland Commercial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	280	0
Current	61,987	55,220
Total Loans	62,267	55,220
Nonaccrual Loans	0	0
Construction And Farmland Commercial | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	280	0
Construction And Farmland Commercial | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Construction And Farmland Commercial | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Consumer Installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	11	4
Current	8,045	8,466
Total Loans	8,056	8,470
90 or More Days Past Due Still Accruing	0	0
Nonaccrual Loans	0	0
Consumer Installment | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	11	4
Consumer Installment | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Consumer Installment | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Equity Lines
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Current	33,621	32,815
Total Loans	33,621	32,815
90 or More Days Past Due Still Accruing	0
Nonaccrual Loans	86	92
Residential Equity Lines | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Equity Lines | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Equity Lines | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Single Family
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	3,974	2,056
Current	189,077	186,990
Total Loans	193,051	189,046
90 or More Days Past Due Still Accruing	0	695
Nonaccrual Loans	1,817	581
Residential Single Family | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	2,594	960
Residential Single Family | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	127	196
Residential Single Family | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	1,253	900
Residential Multifamily
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Current	9,485	7,923
Total Loans	9,485	7,923
Nonaccrual Loans	0	0
Residential Multifamily | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Multifamily | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Residential Multifamily | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
All Other Loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
Current	8,116	8,454
Total Loans	8,116	8,454
Nonaccrual Loans	0	0
All Other Loans | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
All Other Loans | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	0	0
All Other Loans | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due	$ 0	$ 0