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Loan and Allowance for Loan Losses (Tables) | 9 Months Ended
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Sep. 30, 2019
Loans And Leases Receivable Disclosure [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  |  | September 30, |  |  | December 31,
(In thousands) |  |  | 2019 |  |  | 2018
Commercial and industrial |  | $ | 52,288 |  | $ | 63,467
Construction and land development |  |  | 41,599 |  |  | 40,222
Commercial real estate: |  |  |  |  |  |
| Owner occupied |  |  | 60,977 |  |  | 56,413
| Multi-family |  |  | 42,766 |  |  | 40,455
| Other |  |  | 163,603 |  |  | 165,028
|  | Total commercial real estate |  |  | 267,346 |  |  | 261,896
Residential real estate: |  |  |  |  |  |
| Consumer mortgage |  |  | 48,348 |  |  | 56,223
| Investment property |  |  | 46,867 |  |  | 46,374
|  | Total residential real estate |  |  | 95,215 |  |  | 102,597
Consumer installment |  |  | 9,148 |  |  | 9,295
|  | Total loans |  |  | 465,596 |  |  | 477,477
Less: unearned income |  |  | (488) |  |  | (569)
|  | Loans, net of unearned income |  | $ | 465,108 |  | $ | 476,908
Past Due Financing Receivables [Table Text Block] |
|  |  |  |  |  |  |  |  | Accruing | Accruing | Total |  |  |  |
|  |  |  |  |  |  |  |  | 30-89 Days | Greater than | Accruing | Non- |  |  | Total
(In thousands) |  | Current | Past Due | 90 days | Loans | Accrual |  |  | Loans
September 30, 2019: |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 52,235 | 53 | — | 52,288 | — |  | $ | 52,288
Construction and land development |  |  | 41,150 | 449 | — | 41,599 | — |  |  | 41,599
Commercial real estate: |  |  |  |  |  |  |  |  |  |
| Owner occupied |  |  | 60,977 | — | — | 60,977 | — |  |  | 60,977
| Multi-family |  |  | 42,766 | — | — | 42,766 | — |  |  | 42,766
| Other |  |  | 163,603 | — | — | 163,603 | — |  |  | 163,603
|  | Total commercial real estate |  |  | 267,346 | — | — | 267,346 | — |  |  | 267,346
Residential real estate: |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  |  | 47,986 | 94 | 94 | 48,174 | 174 |  |  | 48,348
| Investment property |  |  | 46,867 | — | — | 46,867 | — |  |  | 46,867
|  | Total residential real estate |  |  | 94,853 | 94 | 94 | 95,041 | 174 |  |  | 95,215
Consumer installment |  |  | 9,127 | 21 | — | 9,148 | — |  |  | 9,148
|  | Total |  | $ | 464,711 | 617 | 94 | 465,422 | 174 |  | $ | 465,596
December 31, 2018: |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 63,367 | 100 | — | 63,467 | — |  | $ | 63,467
Construction and land development |  |  | 39,997 | 225 | — | 40,222 | — |  |  | 40,222
Commercial real estate: |  |  |  |  |  |  |  |  |  |
| Owner occupied |  |  | 56,413 | — | — | 56,413 | — |  |  | 56,413
| Multi-family |  |  | 40,455 | — | — | 40,455 | — |  |  | 40,455
| Other |  |  | 165,028 | — | — | 165,028 | — |  |  | 165,028
|  | Total commercial real estate |  |  | 261,896 | — | — | 261,896 | — |  |  | 261,896
Residential real estate: |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  |  | 54,446 | 1,599 | — | 56,045 | 178 |  |  | 56,223
| Investment property |  |  | 46,233 | 141 | — | 46,374 | — |  |  | 46,374
|  | Total residential real estate |  |  | 100,679 | 1,740 | — | 102,419 | 178 |  |  | 102,597
Consumer installment |  |  | 9,254 | 41 | — | 9,295 | — |  |  | 9,295
|  | Total |  | $ | 475,193 | 2,106 | — | 477,299 | 178 |  | $ | 477,477
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  |  | September 30, 2019
(In thousands) | Commercial and industrial |  | Construction and land development |  | Commercial real estate |  | Residential real estate |  | Consumer installment |  |  |  | Total
Quarter ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 726 |  | 781 |  | 2,287 |  | 904 |  | 153 |  |  | $ | 4,851
Charge-offs |  | (128) |  | — |  | — |  | (1) |  | (2) |  |  |  | (131)
Recoveries |  | 59 |  | — |  | — |  | 12 |  | 16 |  |  |  | 87
| Net (charge-offs) recoveries |  | (69) |  | — |  | — |  | 11 |  | 14 |  |  |  | (44)
Provision for loan losses |  | 28 |  | (51) |  | 67 |  | (25) |  | (19) |  |  |  | —
Ending balance | $ | 685 |  | 730 |  | 2,354 |  | 890 |  | 148 |  |  | $ | 4,807
Nine months ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 778 |  | 700 |  | 2,218 |  | 946 |  | 148 |  |  | $ | 4,790
Charge-offs |  | (128) |  | — |  | — |  | (1) |  | (18) |  |  |  | (147)
Recoveries |  | 83 |  | — |  | 1 |  | 59 |  | 21 |  |  |  | 164
| Net (charge-offs) recoveries |  | (45) |  | — |  | 1 |  | 58 |  | 3 |  |  |  | 17
Provision for loan losses |  | (48) |  | 30 |  | 135 |  | (114) |  | (3) |  |  |  | —
Ending balance | $ | 685 |  | 730 |  | 2,354 |  | 890 |  | 148 |  |  | $ | 4,807
|  |  | September 30, 2018
(In thousands) | Commercial and industrial |  | Construction and land development |  | Commercial real estate |  | Residential real estate |  | Consumer installment |  |  |  | Total
Quarter ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 600 |  | 787 |  | 2,197 |  | 1,017 |  | 149 |  |  | $ | 4,750
Charge-offs |  | — |  | — |  | — |  | (11) |  | (7) |  |  |  | (18)
Recoveries |  | 13 |  | — |  | — |  | 19 |  | 21 |  |  |  | 53
| Net recoveries (charge-offs) |  | 13 |  | — |  | — |  | 8 |  | 14 |  |  |  | 35
Provision for loan losses |  | (69) |  | 49 |  | 44 |  | (28) |  | 4 |  |  |  | —
Ending balance | $ | 544 |  | 836 |  | 2,241 |  | 997 |  | 167 |  |  | $ | 4,785
Nine months ended: |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 653 |  | 734 |  | 2,126 |  | 1,071 |  | 173 |  |  | $ | 4,757
Charge-offs |  | (52) |  | — |  | (39) |  | (15) |  | (9) |  |  |  | (115)
Recoveries |  | 59 |  | — |  | — |  | 52 |  | 32 |  |  |  | 143
| Net recoveries (charge-offs) |  | 7 |  | — |  | (39) |  | 37 |  | 23 |  |  |  | 28
Provision for loan losses |  | (116) |  | 102 |  | 154 |  | (111) |  | (29) |  |  |  | —
Ending balance | $ | 544 |  | 836 |  | 2,241 |  | 997 |  | 167 |  |  | $ | 4,785
Financing Receivable Allowance for Credit Loss Additional Information [Table Text Block] |
|  |  |  |  |  |  | Collectively evaluated (1) |  | Individually evaluated (2) |  | Total
|  |  |  |  |  |  | Allowance | Recorded |  | Allowance | Recorded |  | Allowance | Recorded
|  |  |  |  |  |  | for loan | investment |  | for loan | investment |  | for loan | investment
(In thousands) |  | losses | in loans |  | losses | in loans |  | losses | in loans
September 30, 2019: |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 685 | 52,288 |  | — | — |  | 685 | 52,288
Construction and land development |  | 730 | 41,599 |  | — | — |  | 730 | 41,599
Commercial real estate |  | 2,354 | 267,346 |  | — | — |  | 2,354 | 267,346
Residential real estate |  | 890 | 95,215 |  | — | — |  | 890 | 95,215
Consumer installment |  | 148 | 9,148 |  | — | — |  | 148 | 9,148
|  | Total | $ | 4,807 | 465,596 |  | — | — |  | 4,807 | 465,596
September 30, 2018: |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 544 | 52,430 |  | — | — |  | 544 | 52,430
Construction and land development |  | 836 | 45,109 |  | — | — |  | 836 | 45,109
Commercial real estate |  | 2,241 | 249,292 |  | — | 858 |  | 2,241 | 250,150
Residential real estate |  | 997 | 103,329 |  | — | — |  | 997 | 103,329
Consumer installment |  | 167 | 9,942 |  | — | — |  | 167 | 9,942
|  | Total | $ | 4,785 | 460,102 |  | — | 858 |  | 4,785 | 460,960
(1) | Represents loans collectively evaluated for impairment in accordance with ASC 450-20, Loss Contingencies, and
| pursuant to amendments by ASU 2010-20 regarding allowance for non-impaired loans.
(2) | Represents loans individually evaluated for impairment in accordance with ASC 310-30, Receivables, and
| pursuant to amendments by ASU 2010-20 regarding allowance for impaired loans.
Financing Receivable Credit Quality Indicators [Table Text Block] |
(In thousands) |  | Pass |  | Special Mention |  | Substandard Accruing |  | Nonaccrual |  |  | Total loans
September 30, 2019: |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 49,369 |  | 2,419 |  | 500 |  | — |  | $ | 52,288
Construction and land development |  | 40,792 |  | 147 |  | 660 |  | — |  |  | 41,599
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |
| Owner occupied |  | 59,825 |  | 1,072 |  | 80 |  | — |  |  | 60,977
| Multi-family |  | 42,766 |  | — |  | — |  | — |  |  | 42,766
| Other |  | 162,474 |  | 1,107 |  | 22 |  | — |  |  | 163,603
|  | Total commercial real estate |  | 265,065 |  | 2,179 |  | 102 |  | — |  |  | 267,346
Residential real estate: |  |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  | 43,909 |  | 1,375 |  | 2,890 |  | 174 |  |  | 48,348
| Investment property |  | 46,136 |  | 161 |  | 570 |  | — |  |  | 46,867
|  | Total residential real estate |  | 90,045 |  | 1,536 |  | 3,460 |  | 174 |  |  | 95,215
Consumer installment |  | 9,016 |  | 87 |  | 45 |  | — |  |  | 9,148
|  | Total | $ | 454,287 |  | 6,368 |  | 4,767 |  | 174 |  | $ | 465,596
December 31, 2018: |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 61,568 |  | 1,377 |  | 522 |  | — |  | $ | 63,467
Construction and land development |  | 39,481 |  | — |  | 741 |  | — |  |  | 40,222
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |
| Owner occupied |  | 55,942 |  | 154 |  | 317 |  | — |  |  | 56,413
| Multi-family |  | 40,455 |  | — |  | — |  | — |  |  | 40,455
| Other |  | 163,449 |  | 1,208 |  | 371 |  | — |  |  | 165,028
|  | Total commercial real estate |  | 259,846 |  | 1,362 |  | 688 |  | — |  |  | 261,896
Residential real estate: |  |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  | 50,903 |  | 1,374 |  | 3,768 |  | 178 |  |  | 56,223
| Investment property |  | 45,463 |  | 173 |  | 738 |  | — |  |  | 46,374
|  | Total residential real estate |  | 96,366 |  | 1,547 |  | 4,506 |  | 178 |  |  | 102,597
Consumer installment |  | 9,149 |  | 75 |  | 71 |  | — |  |  | 9,295
|  | Total | $ | 466,410 |  | 4,361 |  | 6,528 |  | 178 |  | $ | 477,477
Impaired Financing Receivables [Table Text Block] |
|  |  |  |  |  |  | December 31, 2018
(In thousands) |  | Unpaid principal balance (1) | Charge-offs and payments applied (2) | Recorded investment (3) |  |  | Related allowance
With no allowance recorded:
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied | $ | 157 | — | 157 |  |  |
|  | Total commercial real estate |  | 157 | — | 157 |  |  |
|  | Total impaired loans | $ | 157 | — | 157 |  | $ | —
(1) Unpaid principal balance represents the contractual obligation due from the customer.
(2) Charge-offs and payments applied represents cumulative charge-offs taken, as well as interest payments that have been
| applied against the outstanding principal balance subsequent to the loans being placed on nonaccrual status.
(3) Recorded investment represents the unpaid principal balance less charge-offs and payments applied; it is shown before
| any related allowance for loan losses.
Schedule Of Average Impaired Financing Receivable [Table Text Block] |
|  |  |  |  |  |  | Quarter ended September 30, 2019 |  | Nine months ended September 30, 2019
|  |  |  |  |  |  | Average |  | Total interest |  | Average |  | Total interest
|  |  |  |  |  |  | recorded |  | income |  | recorded |  | income
(In thousands) |  | investment |  | recognized |  | investment |  | recognized
Impaired loans:
Commercial real estate: |  |  |  |  |  |  |  |
| Owner occupied | $ | — |  | — |  | 31 |  | 9
|  | Total commercial real estate |  | — |  | — |  | 31 |  | 9
|  | Total | $ | — |  | — |  | 31 |  | 9
|  |  |  |  |  |  | Quarter ended September 30, 2018 |  | Nine months ended September 30, 2018
|  |  |  |  |  |  | Average |  | Total interest |  | Average |  | Total interest
|  |  |  |  |  |  | recorded |  | income |  | recorded |  | income
(In thousands) |  | investment |  | recognized |  | investment |  | recognized
Impaired loans:
Commercial and industrial | $ | — |  | — |  | 12 |  | —
Commercial real estate: |  |  |  |  |  |  |  |
| Owner occupied |  | 164 |  | 2 |  | 168 |  | 7
| Other |  | 701 |  | — |  | 1,488 |  | —
|  | Total commercial real estate |  | 865 |  | 2 |  | 1,656 |  | 7
|  | Total | $ | 865 |  | 2 |  | 1,668 |  | 7
Troubled Debt Restructurings on Financing Receivables, Accrual Status [Table Text Block] |
|  |  |  |  |  |  | TDRs
|  |  |  |  |  |  |  |  |  |  |  | Related
(In thousands) |  | Accruing | Nonaccrual | Total |  |  | Allowance
December 31, 2018 |  |
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied | $ | 157 | — | 157 |  | $ | —
|  | Total commercial real estate | $ | 157 | — | 157 |  | $ | —
|  | Total | $ | 157 | — | 157 |  | $ | —
Troubled Debt Restructuring Modifications [Table Text Block] |
|  |  |  |  |  | Quarter ended September 30, |  |  | Nine months ended September 30,
|  |  |  |  |  |  |  |  | Pre- |  | Post - |  |  |  |  |  | Pre- |  | Post -
|  |  |  |  |  |  |  |  | modification |  | modification |  |  |  |  |  | modification |  | modification
|  |  |  |  |  | Number |  |  | outstanding |  | outstanding |  |  | Number |  |  | outstanding |  | outstanding
|  |  |  |  |  | of |  |  | recorded |  | recorded |  |  | of |  |  | recorded |  | recorded
(Dollars in thousands) | contracts |  |  | investment |  | investment |  |  | contracts |  |  | investment |  | investment
2018: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Other | 1 |  | $ | 710 |  | 710 |  |  | 2 |  | $ | 1,447 |  | 1,447
|  | Total commercial real estate | 1 |  |  | 710 |  | 710 |  |  | 2 |  |  | 1,447 |  | 1,447
|  | Total | 1 |  | $ | 710 |  | 710 |  |  | 2 |  | $ | 1,447 |  | 1,447
Schedule Of Debtor Troubled Debt Restructuring, Subsequent Defaults [Table Text Block] |
|  |  |  |  |  | Quarter ended September 30, |  |  | Nine months ended September 30,
|  |  |  |  |  | Number of |  |  | Recorded |  |  |  | Number of |  |  | Recorded |
(Dollars in thousands) | Contracts |  |  | investment(1) |  |  |  | Contracts |  |  | investment(1) |
2018: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |
| Other | — |  | $ | — |  |  |  | 1 |  | $ | 1,259 |
|  | Total commercial real estate | — |  |  | — |  |  |  | 1 |  |  | 1,259 |
|  | Total | — |  | $ | — |  |  |  | 1 |  | $ | 1,259 |
(1) Amount as of applicable month end during the respective period for which there was a payment default. |

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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953659-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=82894031&loc=SL6953803-111525 + Details
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