Loan Credit Quality Analysis (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	$ 440,852	$ 450,911
Financing Receivable, Recorded Investment, Special Mention	18,190	5,913
Financing Receivable Recorded Investment, Substandard Accruing	2,912	4,371
Financing Receivable, Recorded Investment, Nonaccrual Status	534	187
Loans and Leases Receivable, Gross, Carrying Amount	462,488	461,382
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	79,984	54,340
Financing Receivable, Recorded Investment, Special Mention	2,383	2,176
Financing Receivable Recorded Investment, Substandard Accruing	218	266
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	82,585	56,782
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	33,260	31,798
Financing Receivable, Recorded Investment, Special Mention	0	0
Financing Receivable Recorded Investment, Substandard Accruing	254	1,043
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	33,514	32,841
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	51,265	47,865
Financing Receivable, Recorded Investment, Special Mention	2,627	917
Financing Receivable Recorded Investment, Substandard Accruing	141	78
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	54,033	48,860
Commercial Real Estate, Hotel Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	35,084	43,719
Financing Receivable, Recorded Investment, Special Mention	7,816	0
Financing Receivable Recorded Investment, Substandard Accruing	0	0
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	42,900	43,719
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	36,673	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	40,203	44,839
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	116,498	132,030
Financing Receivable, Recorded Investment, Special Mention	1,243	849
Financing Receivable Recorded Investment, Substandard Accruing	47	21
Financing Receivable, Recorded Investment, Nonaccrual Status	212	0
Loans and Leases Receivable, Gross, Carrying Amount	118,000	132,900
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	239,520	268,453
Financing Receivable, Recorded Investment, Special Mention	15,216	1,766
Financing Receivable Recorded Investment, Substandard Accruing	188	99
Financing Receivable, Recorded Investment, Nonaccrual Status	212	0
Loans and Leases Receivable, Gross, Carrying Amount	255,136	270,318
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	32,518	45,247
Financing Receivable, Recorded Investment, Special Mention	397	962
Financing Receivable Recorded Investment, Substandard Accruing	1,897	2,527
Financing Receivable, Recorded Investment, Nonaccrual Status	215	187
Loans and Leases Receivable, Gross, Carrying Amount	35,027	48,923
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	48,501	42,331
Financing Receivable, Recorded Investment, Special Mention	187	949
Financing Receivable Recorded Investment, Substandard Accruing	332	372
Financing Receivable, Recorded Investment, Nonaccrual Status	107	0
Loans and Leases Receivable, Gross, Carrying Amount	49,127	43,652
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	81,019	87,578
Financing Receivable, Recorded Investment, Special Mention	584	1,911
Financing Receivable Recorded Investment, Substandard Accruing	2,229	2,899
Financing Receivable, Recorded Investment, Nonaccrual Status	322	187
Loans and Leases Receivable, Gross, Carrying Amount	84,154	92,575
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Pass	7,069	8,742
Financing Receivable, Recorded Investment, Special Mention	7	60
Financing Receivable Recorded Investment, Substandard Accruing	23	64
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 7,099	$ 8,866