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Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 461,672	$ 459,955
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	667	1,858
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	141
Financing Receivable, Recorded Investment, Total Still Accruing	462,339	461,954
Financing Receivable, Recorded Investment, Nonaccrual Status	783	534
Loans and Leases Receivable, Gross, Carrying Amount	463,122	462,488	$ 444,282
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	88,645	82,355
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	42	230
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	88,687	82,585
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	88,687	82,585	56,447
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	30,322	33,453
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	10	61
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	30,332	33,514
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	30,332	33,514	32,302
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	52,257	54,033
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	52,257	54,033
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	52,257	54,033
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	48,268	42,900
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	48,268	42,900
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	48,268	42,900
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	37,936	40,203
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	37,936	40,203
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	37,936	40,203
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	115,884	117,759
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	180	29
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	116,064	117,788
Financing Receivable, Recorded Investment, Nonaccrual Status	206	212
Loans and Leases Receivable, Gross, Carrying Amount	116,270	118,000
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	254,345	254,895
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	180	29
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	254,525	254,924
Financing Receivable, Recorded Investment, Nonaccrual Status	206	212
Loans and Leases Receivable, Gross, Carrying Amount	254,731	255,136	256,099
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	32,783	33,169
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	394	1,503
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	140
Financing Receivable, Recorded Investment, Total Still Accruing	33,177	34,812
Financing Receivable, Recorded Investment, Nonaccrual Status	474	215
Loans and Leases Receivable, Gross, Carrying Amount	33,651	35,027
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	49,089	49,014
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	5	6
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	49,094	49,020
Financing Receivable, Recorded Investment, Nonaccrual Status	103	107
Loans and Leases Receivable, Gross, Carrying Amount	49,197	49,127
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	81,872	82,183
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	399	1,509
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	140
Financing Receivable, Recorded Investment, Total Still Accruing	82,271	83,832
Financing Receivable, Recorded Investment, Nonaccrual Status	577	322
Loans and Leases Receivable, Gross, Carrying Amount	82,848	84,154	91,010
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	6,488	7,069
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	36	29
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	1
Financing Receivable, Recorded Investment, Total Still Accruing	6,524	7,099
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 6,524	$ 7,099	$ 8,424

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