Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	$ 458,679	$ 461,954
Financing Receivable, Recorded Investment, Nonaccrual Status	444	534
Loans and Leases Receivable, Gross, Carrying Amount	459,123	462,488
Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	457,931	459,955
Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	748	1,858
Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	141
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	83,977	82,585
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	83,977	82,585
Commercial and Industrial Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	83,974	82,355
Commercial and Industrial Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	3	230
Commercial and Industrial Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	32,432	33,514
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	32,432	33,514
Construction And Land Development Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	32,228	33,453
Construction And Land Development Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	204	61
Construction And Land Development Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	63,375	54,033
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	63,375	54,033
Commercial Real Estate Owner Occupied Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	63,375	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]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Owner Occupied Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate, Hotel Motel [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	43,856	42,900
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	43,856	42,900
Commercial Real Estate, Hotel Motel [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	43,856	42,900
Commercial Real Estate, Hotel Motel [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate, Hotel Motel [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	42,587	40,203
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	42,587	40,203
Commercial Real Estate Multifamily [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	42,587	40,203
Commercial Real Estate Multifamily [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Multifamily [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	108,366	117,788
Financing Receivable, Recorded Investment, Nonaccrual Status	187	212
Loans and Leases Receivable, Gross, Carrying Amount	108,553	118,000
Commercial Real Estate Other Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	108,366	117,759
Commercial Real Estate Other Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	29
Commercial Real Estate Other Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	258,184	254,924
Financing Receivable, Recorded Investment, Nonaccrual Status	187	212
Loans and Leases Receivable, Gross, Carrying Amount	258,371	255,136
Commercial Real Estate Loans, Total [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	258,184	254,895
Commercial Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	29
Commercial Real Estate Loans, Total [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	29,586	34,812
Financing Receivable, Recorded Investment, Nonaccrual Status	195	215
Loans and Leases Receivable, Gross, Carrying Amount	29,781	35,027
Residential Real Estate Consumer Mortgage Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	29,070	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]
Financing Receivable, Recorded Investment, Still Accruing	516	1,503
Residential Real Estate Consumer Mortgage Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	140
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	47,818	49,020
Financing Receivable, Recorded Investment, Nonaccrual Status	62	107
Loans and Leases Receivable, Gross, Carrying Amount	47,880	49,127
Residential Real Estate Investment Property Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	47,818	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]
Financing Receivable, Recorded Investment, Still Accruing	0	6
Residential Real Estate Investment Property Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	0
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	77,404	83,832
Financing Receivable, Recorded Investment, Nonaccrual Status	257	322
Loans and Leases Receivable, Gross, Carrying Amount	77,661	84,154
Residential Real Estate Loans, Total [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	76,888	82,183
Residential Real Estate Loans, Total [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	516	1,509
Residential Real Estate Loans, Total [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	0	140
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	6,682	7,099
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	6,682	7,099
Consumer Installment and Revolving Loans [Member] | Current
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	6,657	7,069
Consumer Installment and Revolving Loans [Member] | Accruing 30 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	25	29
Consumer Installment and Revolving Loans [Member] | Accruing Greater Than 90 days [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Still Accruing	$ 0	$ 1