Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	$ 453,669	$ 461,954
Non Accrual	486	534
Loans and Leases Receivable, Gross, Carrying Amount	454,155	462,488	$ 473,672
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	453,098	459,955
Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	502	1,858
Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	69	141
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	79,202	82,585
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	79,202	82,585	98,244
Commercial and Industrial Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	79,134	82,355
Commercial and Industrial Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	68	230
Commercial and Industrial Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	34,890	33,514
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	34,890	33,514	31,651
Construction And Land Development Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	34,890	33,453
Construction And Land Development Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	61
Construction And Land Development Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	57,138	54,033
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	57,138	54,033
Commercial Real Estate Owner Occupied Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	57,138	54,033
Commercial Real Estate Owner Occupied Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Owner Occupied Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	44,412	42,900
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	44,412	42,900
Commercial Real Estate Hotel Motel [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	44,412	42,900
Commercial Real Estate Hotel Motel [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Hotel Motel [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	41,291	40,203
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	41,291	40,203
Commercial Real Estate Multifamily [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	41,291	40,203
Commercial Real Estate Multifamily [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Multifamily [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	109,764	117,788
Non Accrual	193	212
Loans and Leases Receivable, Gross, Carrying Amount	109,957	118,000
Commercial Real Estate Other Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	109,764	117,759
Commercial Real Estate Other Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	29
Commercial Real Estate Other Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	252,605	254,924
Non Accrual	193	212
Loans and Leases Receivable, Gross, Carrying Amount	252,798	255,136	250,992
Commercial Real Estate Loans, Total [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	252,605	254,895
Commercial Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	29
Commercial Real Estate Loans, Total [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	32,358	34,812
Non Accrual	200	215
Loans and Leases Receivable, Gross, Carrying Amount	32,558	35,027
Residential Real Estate Consumer Mortgage Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	32,273	33,169
Residential Real Estate Consumer Mortgage Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	16	1,503
Residential Real Estate Consumer Mortgage Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	69	140
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	47,554	49,020
Non Accrual	93	107
Loans and Leases Receivable, Gross, Carrying Amount	47,647	49,127
Residential Real Estate Investment Property Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	47,161	49,014
Residential Real Estate Investment Property Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	393	6
Residential Real Estate Investment Property Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	0	0
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	79,912	83,832
Non Accrual	293	322
Loans and Leases Receivable, Gross, Carrying Amount	80,205	84,154	85,054
Residential Real Estate Loans, Total [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	79,434	82,183
Residential Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	409	1,509
Residential Real Estate Loans, Total [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	69	140
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	7,060	7,099
Non Accrual	0	0
Loans and Leases Receivable, Gross, Carrying Amount	7,060	7,099	$ 7,731
Consumer Installment and Revolving Loans [Member] | Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	7,035	7,069
Consumer Installment and Revolving Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	25	29
Consumer Installment and Revolving Loans [Member] | Accruing Greater Than 90 days {Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Accruing Loans	$ 0	$ 1