Allowance for Loan Losses (Credit Quality Information By Class) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	$ 598,845	$ 559,051
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	484,520	476,647
Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	72,724	54,510
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	35,232	19,307
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	6,148	8,351
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	221	236
Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	8,466	10,168
Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	4	19
Commercial - Non Real Estate Commercial And Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	33,086	37,427
Commercial - Non Real Estate Commercial And Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	28,699	33,279
Commercial - Non Real Estate Commercial And Industrial [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,292	1,788
Commercial - Non Real Estate Commercial And Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	995	1,748
Commercial - Non Real Estate Commercial And Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	1,100	612
Commercial - Non Real Estate Commercial And Industrial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Commercial - Non Real Estate Commercial And Industrial [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	136,309	127,018
Commercial Real Estate Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	110,418	112,649
Commercial Real Estate Owner Occupied [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	16,665	10,893
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	9,187	3,146
Commercial Real Estate Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	39	330
Commercial Real Estate Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Commercial Real Estate Owner Occupied [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Commercial Real Estate Non-Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	129,286	112,897
Commercial Real Estate Non-Owner Occupied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	106,658	82,050
Commercial Real Estate Non-Owner Occupied [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	17,139	17,992
Commercial Real Estate Non-Owner Occupied [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	3,397	12,088
Commercial Real Estate Non-Owner Occupied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,092	767
Commercial Real Estate Non-Owner Occupied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Commercial Real Estate Non-Owner Occupied [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Construction And Farmland Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	6,706	3,214
Construction And Farmland Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,295	2,614
Construction And Farmland Residential [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	1,120	600
Construction And Farmland Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	3,291	0
Construction And Farmland Residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		0
Construction And Farmland Residential [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		0
Construction And Farmland Residential [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Construction And Farmland Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	55,220	49,140
Construction And Farmland Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	16,682	30,093
Construction And Farmland Commercial [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	22,533	17,069
Construction And Farmland Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	15,658	1,663
Construction And Farmland Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	347	315
Construction And Farmland Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Construction And Farmland Commercial [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Residential Equity Lines [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	32,815	32,838
Residential Equity Lines [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	31,813	32,495
Residential Equity Lines [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	910	299
Residential Equity Lines [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Residential Equity Lines [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	16	0
Residential Equity Lines [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	76	44
Residential Equity Lines [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Residential Single Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	189,046	190,372
Residential Single Family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	172,360	177,829
Residential Single Family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	11,567	5,869
Residential Single Family [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,704	155
Residential Single Family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	2,270	6,327
Residential Single Family [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	145	192
Residential Single Family [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Residential Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	7,923	4,095
Residential Multifamily [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	7,160	3,588
Residential Multifamily [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	479	0
Residential Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	507
Residential Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	284	0
Residential Multifamily [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
Residential Multifamily [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	0	0
All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	8,454	2,050
All Other Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	8,435	2,050
All Other Loans [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	19	0
All Other Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		0
All Other Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		0
All Other Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables		0
All Other Loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing receivables	$ 0	$ 0