Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 472,892	$ 459,043
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	160	2,152
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	71	0
Financing Receivable, Recorded Investment, Total Still Accruing	473,123	461,195
Financing Receivable, Recorded Investment, Nonaccrual Status	549	187
Loans and Leases Receivable, Gross, Carrying Amount	473,672	461,382	$ 465,596
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	98,196	56,758
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	48	24
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	98,244	56,782
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	98,244	56,782	52,288
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	31,651	32,385
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	456
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	31,651	32,841
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	31,651	32,841	41,599
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	48,955	48,860
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	48,955	48,860
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	48,955	48,860
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	43,111	43,719
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	43,111	43,719
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	43,111	43,719
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	32,608	44,839
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	32,608	44,839
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Loans and Leases Receivable, Gross, Carrying Amount	32,608	44,839
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	126,102	132,900
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	126,102	132,900
Financing Receivable, Recorded Investment, Nonaccrual Status	216	0
Loans and Leases Receivable, Gross, Carrying Amount	126,318	132,900
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	250,776	270,318
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	250,776	270,318
Financing Receivable, Recorded Investment, Nonaccrual Status	216	0
Loans and Leases Receivable, Gross, Carrying Amount	250,992	270,318	267,346
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	37,179	47,151
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	106	1,585
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	71	0
Financing Receivable, Recorded Investment, Total Still Accruing	37,356	48,736
Financing Receivable, Recorded Investment, Nonaccrual Status	221	187
Loans and Leases Receivable, Gross, Carrying Amount	37,577	48,923
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	47,366	43,629
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	0	23
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	47,366	43,652
Financing Receivable, Recorded Investment, Nonaccrual Status	111	0
Loans and Leases Receivable, Gross, Carrying Amount	47,477	43,652
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	84,545	90,780
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	106	1,608
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	71	0
Financing Receivable, Recorded Investment, Total Still Accruing	84,722	92,388
Financing Receivable, Recorded Investment, Nonaccrual Status	332	187
Loans and Leases Receivable, Gross, Carrying Amount	85,054	92,575	95,215
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	7,724	8,802
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	6	64
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	7,730	8,866
Financing Receivable, Recorded Investment, Nonaccrual Status	1	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 7,731	$ 8,866	$ 9,148