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Loan Credit Quality Analysis (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017
--- | --- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | $ 432,835 | $ 443,362 |
Financing Receivable, Recorded Investment, Special Mention | 2,890 | 2,192 |
Financing Receivable Recorded Investment, Substandard Accruing | 5,349 | 5,651 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 3,239 | 2,972 |
Loans and Leases Receivable, Gross, Carrying Amount | 444,313 | 454,177 | $ 431,193
Commercial and Industrial Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 57,169 | 58,842 |
Financing Receivable, Recorded Investment, Special Mention | 362 | 94 |
Financing Receivable Recorded Investment, Substandard Accruing | 112 | 119 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 234 | 31 |
Loans and Leases Receivable, Gross, Carrying Amount | 57,877 | 59,086 | 50,228
Construction And Land Development Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 35,371 | 39,049 |
Financing Receivable, Recorded Investment, Special Mention | 89 | 90 |
Financing Receivable Recorded Investment, Substandard Accruing | 450 | 468 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0 |
Loans and Leases Receivable, Gross, Carrying Amount | 35,910 | 39,607 | 45,098
Commercial Real Estate Owner Occupied Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 42,970 | 43,615 |
Financing Receivable, Recorded Investment, Special Mention | 161 | 240 |
Financing Receivable Recorded Investment, Substandard Accruing | 336 | 337 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0 |
Loans and Leases Receivable, Gross, Carrying Amount | 43,467 | 44,192 |
Commercial Real Estate Multifamily [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 40,060 | 52,167 |
Financing Receivable, Recorded Investment, Special Mention | 0 | 0 |
Financing Receivable Recorded Investment, Substandard Accruing | 0 | 0 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 0 |
Loans and Leases Receivable, Gross, Carrying Amount | 40,060 | 52,167 |
Commercial Real Estate Other Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 147,598 | 139,695 |
Financing Receivable, Recorded Investment, Special Mention | 368 | 395 |
Financing Receivable Recorded Investment, Substandard Accruing | 389 | 396 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 2,463 | 2,188 |
Loans and Leases Receivable, Gross, Carrying Amount | 150,818 | 142,674 |
Commercial Real Estate Loans, Total [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 230,628 | 235,477 |
Financing Receivable, Recorded Investment, Special Mention | 529 | 635 |
Financing Receivable Recorded Investment, Substandard Accruing | 725 | 733 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 2,463 | 2,188 |
Loans and Leases Receivable, Gross, Carrying Amount | 234,345 | 239,033 | 218,739
Residential Real Estate Consumer Mortgage Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 53,454 | 54,101 |
Financing Receivable, Recorded Investment, Special Mention | 1,786 | 1,254 |
Financing Receivable Recorded Investment, Substandard Accruing | 3,344 | 3,586 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 530 | 599 |
Loans and Leases Receivable, Gross, Carrying Amount | 59,114 | 59,540 |
Residential Real Estate Investment Property Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 46,682 | 46,463 |
Financing Receivable, Recorded Investment, Special Mention | 52 | 53 |
Financing Receivable Recorded Investment, Substandard Accruing | 648 | 667 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 0 | 140 |
Loans and Leases Receivable, Gross, Carrying Amount | 47,382 | 47,323 |
Residential Real Estate Loans, Total [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 100,136 | 100,564 |
Financing Receivable, Recorded Investment, Special Mention | 1,838 | 1,307 |
Financing Receivable Recorded Investment, Substandard Accruing | 3,992 | 4,253 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 530 | 739 |
Loans and Leases Receivable, Gross, Carrying Amount | 106,496 | 106,863 | 108,096
Consumer Installment and Revolving Loans [Member] |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Financing Receivable, Recorded Investment, Pass | 9,531 | 9,430 |
Financing Receivable, Recorded Investment, Special Mention | 72 | 66 |
Financing Receivable Recorded Investment, Substandard Accruing | 70 | 78 |
Financing Receivable, Recorded Investment, Nonaccrual Status | 12 | 14 |
Loans and Leases Receivable, Gross, Carrying Amount | $ 9,685 | $ 9,588 | $ 9,032

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