Loans Past Due Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	$ 464,159	$ 459,043
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	879	2,152
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	49	0
Financing Receivable, Recorded Investment, Total Still Accruing	465,087	461,195
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	87,671	56,758
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	83	24
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	87,754	56,782
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	32,967	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	32,967	32,841
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	49,958	48,860
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	78	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	50,036	48,860
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	43,183	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	43,183	43,719
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	31,974	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	31,974	44,839
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	125,087	132,900
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	90	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	125,177	132,900
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	250,202	270,318
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	168	0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	250,370	270,318
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	40,189	47,151
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	430	1,585
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	40,619	48,736
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	44,557	43,629
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	190	23
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	44,747	43,652
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	84,746	90,780
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	620	1,608
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	0	0
Financing Receivable, Recorded Investment, Total Still Accruing	85,366	92,388
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, Past Due [Line Items]
Financing Receivable, Recorded Investment, Current	8,573	8,802
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due	8	64
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	49	0
Financing Receivable, Recorded Investment, Total Still Accruing	8,630	8,866
Financing Receivable, Recorded Investment, Nonaccrual Status	1	0
Loans and Leases Receivable, Gross, Carrying Amount	$ 8,631	$ 8,866	$ 9,091