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Loan Credit Quality Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	$ 452,610	$ 450,911
Financing Receivable, Recorded Investment, Special Mention	8,833	5,913
Financing Receivable Recorded Investment, Substandard Accruing	3,644	4,371
Financing Receivable, Recorded Investment, Nonaccrual Status	678	187
Loans and Leases Receivable, Gross, Carrying Amount	465,765	461,382	$ 476,585
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	85,347	54,340
Financing Receivable, Recorded Investment, Special Mention	2,196	2,176
Financing Receivable Recorded Investment, Substandard Accruing	211	266
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	87,754	56,782	54,307
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	32,399	31,798
Financing Receivable, Recorded Investment, Special Mention	0	0
Financing Receivable Recorded Investment, Substandard Accruing	568	1,043
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	32,967	32,841	45,395
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	48,988	47,865
Financing Receivable, Recorded Investment, Special Mention	902	917
Financing Receivable Recorded Investment, Substandard Accruing	146	78
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	50,036	48,860
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	43,183	43,719
Financing Receivable, Recorded Investment, Special Mention	0	0
Financing Receivable Recorded Investment, Substandard Accruing	0	0
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	43,183	43,719
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	28,444	44,839
Financing Receivable, Recorded Investment, Special Mention	3,530	0
Financing Receivable Recorded Investment, Substandard Accruing	0	0
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	31,974	44,839
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	124,285	132,030
Financing Receivable, Recorded Investment, Special Mention	873	849
Financing Receivable Recorded Investment, Substandard Accruing	19	21
Financing Receivable, Recorded Investment, Nonaccrual Status	218	0
Loans and Leases Receivable, Gross, Carrying Amount	125,395	132,900
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	244,900	268,453
Financing Receivable, Recorded Investment, Special Mention	5,305	1,766
Financing Receivable Recorded Investment, Substandard Accruing	165	99
Financing Receivable, Recorded Investment, Nonaccrual Status	218	0
Loans and Leases Receivable, Gross, Carrying Amount	250,588	270,318	268,500
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	37,453	45,247
Financing Receivable, Recorded Investment, Special Mention	739	962
Financing Receivable Recorded Investment, Substandard Accruing	2,427	2,527
Financing Receivable, Recorded Investment, Nonaccrual Status	348	187
Loans and Leases Receivable, Gross, Carrying Amount	40,967	48,923
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	43,991	42,331
Financing Receivable, Recorded Investment, Special Mention	538	949
Financing Receivable Recorded Investment, Substandard Accruing	218	372
Financing Receivable, Recorded Investment, Nonaccrual Status	111	0
Loans and Leases Receivable, Gross, Carrying Amount	44,858	43,652
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	81,444	87,578
Financing Receivable, Recorded Investment, Special Mention	1,277	1,911
Financing Receivable Recorded Investment, Substandard Accruing	2,645	2,899
Financing Receivable, Recorded Investment, Nonaccrual Status	459	187
Loans and Leases Receivable, Gross, Carrying Amount	85,825	92,575	99,292
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	8,520	8,742
Financing Receivable, Recorded Investment, Special Mention	55	60
Financing Receivable Recorded Investment, Substandard Accruing	55	64
Financing Receivable, Recorded Investment, Nonaccrual Status	1	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 8,631	$ 8,866	$ 9,091

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