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Loan Credit Quality Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020	Jun. 30, 2020
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	$ 437,826	$ 440,852
Financing Receivable, Recorded Investment, Special Mention	16,916	18,190
Financing Receivable Recorded Investment, Substandard Accruing	2,811	2,912
Financing Receivable, Recorded Investment, Nonaccrual Status	628	534
Loans and Leases Receivable, Gross, Carrying Amount	458,181	462,488	$ 465,765
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	86,092	79,984
Financing Receivable, Recorded Investment, Special Mention	1,550	2,383
Financing Receivable Recorded Investment, Substandard Accruing	291	218
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	87,933	82,585	87,754
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	37,235	33,260
Financing Receivable, Recorded Investment, Special Mention	3	0
Financing Receivable Recorded Investment, Substandard Accruing	239	254
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	37,477	33,514	32,967
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	49,361	51,265
Financing Receivable, Recorded Investment, Special Mention	2,026	2,627
Financing Receivable Recorded Investment, Substandard Accruing	133	141
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	51,520	54,033
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	39,151	35,084
Financing Receivable, Recorded Investment, Special Mention	7,812	7,816
Financing Receivable Recorded Investment, Substandard Accruing	0	0
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	46,963	42,900
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	35,786	36,673
Financing Receivable, Recorded Investment, Special Mention	3,530	3,530
Financing Receivable Recorded Investment, Substandard Accruing	0	0
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	39,316	40,203
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	103,413	116,498
Financing Receivable, Recorded Investment, Special Mention	1,389	1,243
Financing Receivable Recorded Investment, Substandard Accruing	45	47
Financing Receivable, Recorded Investment, Nonaccrual Status	199	212
Loans and Leases Receivable, Gross, Carrying Amount	105,046	118,000
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	227,711	239,520
Financing Receivable, Recorded Investment, Special Mention	14,757	15,216
Financing Receivable Recorded Investment, Substandard Accruing	178	188
Financing Receivable, Recorded Investment, Nonaccrual Status	199	212
Loans and Leases Receivable, Gross, Carrying Amount	242,845	255,136	250,588
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	30,631	32,518
Financing Receivable, Recorded Investment, Special Mention	417	397
Financing Receivable Recorded Investment, Substandard Accruing	1,765	1,897
Financing Receivable, Recorded Investment, Nonaccrual Status	327	215
Loans and Leases Receivable, Gross, Carrying Amount	33,140	35,027
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	48,408	48,501
Financing Receivable, Recorded Investment, Special Mention	183	187
Financing Receivable Recorded Investment, Substandard Accruing	331	332
Financing Receivable, Recorded Investment, Nonaccrual Status	102	107
Loans and Leases Receivable, Gross, Carrying Amount	49,024	49,127
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	79,039	81,019
Financing Receivable, Recorded Investment, Special Mention	600	584
Financing Receivable Recorded Investment, Substandard Accruing	2,096	2,229
Financing Receivable, Recorded Investment, Nonaccrual Status	429	322
Loans and Leases Receivable, Gross, Carrying Amount	82,164	84,154	85,825
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	7,749	7,069
Financing Receivable, Recorded Investment, Special Mention	6	7
Financing Receivable Recorded Investment, Substandard Accruing	7	23
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 7,762	$ 7,099	$ 8,631

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