Loans and Allowance for Loan Losses (Credit Quality Information By Class) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	$ 631,757	$ 598,845
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	509,515	484,520
Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	79,130	72,724
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	35,143	35,232
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	7,798	6,148
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	171	221
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Performing
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	8,112	8,466
Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	11	4
Commercial - Non Real Estate Commercial And Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	46,077	33,086
Commercial - Non Real Estate Commercial And Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	42,109	28,699
Commercial - Non Real Estate Commercial And Industrial | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	3,177	2,292
Commercial - Non Real Estate Commercial And Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	343	995
Commercial - Non Real Estate Commercial And Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	448	1,100
Commercial - Non Real Estate Commercial And Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Commercial - Non Real Estate Commercial And Industrial | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0
Commercial Real Estate Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	137,452	136,309
Commercial Real Estate Owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	104,788	110,418
Commercial Real Estate Owner Occupied | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	18,767	16,665
Commercial Real Estate Owner Occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	12,992	9,187
Commercial Real Estate Owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	905	39
Commercial Real Estate Owner Occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Commercial Real Estate Owner Occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Commercial Real Estate Non-Owner Occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	142,882	129,286
Commercial Real Estate Non-Owner Occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	113,499	106,658
Commercial Real Estate Non-Owner Occupied | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	10,228	17,139
Commercial Real Estate Non-Owner Occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	17,183	3,397
Commercial Real Estate Non-Owner Occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	1,972	2,092
Commercial Real Estate Non-Owner Occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Commercial Real Estate Non-Owner Occupied | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Construction And Farmland Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	9,787	6,706
Construction And Farmland Residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	7,554	2,295
Construction And Farmland Residential | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	2,233	1,120
Construction And Farmland Residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	3,291
Construction And Farmland Residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Construction And Farmland Residential | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Construction And Farmland Residential | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Construction And Farmland Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	48,899	55,220
Construction And Farmland Commercial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	18,539	16,682
Construction And Farmland Commercial | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	27,351	22,533
Construction And Farmland Commercial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	2,681	15,658
Construction And Farmland Commercial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	328	347
Construction And Farmland Commercial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Construction And Farmland Commercial | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Residential Equity Lines
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	34,084	32,815
Residential Equity Lines | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	32,697	31,813
Residential Equity Lines | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	1,331	910
Residential Equity Lines | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Residential Equity Lines | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	25	16
Residential Equity Lines | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	31	76
Residential Equity Lines | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Residential Single Family
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	194,730	189,046
Residential Single Family | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	174,675	172,360
Residential Single Family | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	15,413	11,567
Residential Single Family | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	756	2,704
Residential Single Family | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	3,746	2,270
Residential Single Family | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	140	145
Residential Single Family | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Residential Multifamily
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	9,460	7,923
Residential Multifamily | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	7,295	7,160
Residential Multifamily | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	603	479
Residential Multifamily | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	1,188	0
Residential Multifamily | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	374	284
Residential Multifamily | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
Residential Multifamily | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
All Other Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	8,386	8,454
All Other Loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	8,359	8,435
All Other Loans | Pass Monitored
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	27	19
All Other Loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
All Other Loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
All Other Loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	0	0
All Other Loans | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Financing Receivables	$ 0	$ 0