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Loans Past Due Analysis (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | $ 475,193 | $ 450,082
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 2,106 | 1,123
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 477,299 | 451,205
Financing Receivable, Recorded Investment, Nonaccrual Status | 178 | 2,972
Loans and Leases Receivable, Gross, Carrying Amount | 477,477 | 454,177
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 63,367 | 59,047
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 100 | 8
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 63,467 | 59,055
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 31
Loans and Leases Receivable, Gross, Carrying Amount | 63,467 | 59,086
Construction And Land Development Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 39,997 | 39,607
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 225 | 0
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 40,222 | 39,607
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0
Loans and Leases Receivable, Gross, Carrying Amount | 40,222 | 39,607
Commercial Real Estate Owner Occupied Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 56,413 | 44,192
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 | 56,413 | 44,192
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0
Loans and Leases Receivable, Gross, Carrying Amount | 56,413 | 44,192
Commercial Real Estate Multifamily [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 40,455 | 52,167
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 | 40,455 | 52,167
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0
Loans and Leases Receivable, Gross, Carrying Amount | 40,455 | 52,167
Commercial Real Estate Other Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 165,028 | 140,486
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 | 165,028 | 140,486
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 2,188
Loans and Leases Receivable, Gross, Carrying Amount | 165,028 | 142,674
Commercial Real Estate Loans, Total [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 261,896 | 236,845
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 | 261,896 | 236,845
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 2,188
Loans and Leases Receivable, Gross, Carrying Amount | 261,896 | 239,033
Residential Real Estate Consumer Mortgage Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 54,446 | 58,195
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 1,599 | 746
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 56,045 | 58,941
Financing Receivable, Recorded Investment, Nonaccrual Status | 178 | 599
Loans and Leases Receivable, Gross, Carrying Amount | 56,223 | 59,540
Residential Real Estate Investment Property Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 46,233 | 46,871
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 141 | 312
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 46,374 | 47,183
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 140
Loans and Leases Receivable, Gross, Carrying Amount | 46,374 | 47,323
Residential Real Estate Loans, Total [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 100,679 | 105,066
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 1,740 | 1,058
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 102,419 | 106,124
Financing Receivable, Recorded Investment, Nonaccrual Status | 178 | 739
Loans and Leases Receivable, Gross, Carrying Amount | 102,597 | 106,863
Consumer Installment and Revolving Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Current | 9,254 | 9,517
Financing Receivable, Recorded Investment, 30 To 89 Days Past Due | 41 | 57
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing | 0 | 0
Financing Receivable, Recorded Investment, Total Still Accruing | 9,295 | 9,574
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 14
Loans and Leases Receivable, Gross, Carrying Amount | $ 9,295 | $ 9,588

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