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Loan and Allowance for Loan Losses (Tables) | 3 Months Ended
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Mar. 31, 2016
Loans And Leases Receivable Disclosure [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  |  | March 31, |  |  | December 31,
(In thousands) |  |  | 2016 |  |  | 2015
Commercial and industrial |  | $ | 50,192 |  | $ | 52,479
Construction and land development |  |  | 45,953 |  |  | 43,694
Commercial real estate: |  |  |  |  |  |
| Owner occupied |  |  | 47,010 |  |  | 46,602
| Other |  |  | 162,310 |  |  | 157,251
|  | Total commercial real estate |  |  | 209,320 |  |  | 203,853
Residential real estate: |  |  |  |  |  |
| Consumer mortgage |  |  | 70,443 |  |  | 70,009
| Investment property |  |  | 46,603 |  |  | 46,664
|  | Total residential real estate |  |  | 117,046 |  |  | 116,673
Consumer installment |  |  | 9,769 |  |  | 10,220
|  | Total loans |  |  | 432,280 |  |  | 426,919
Less: unearned income |  |  | (517) |  |  | (509)
|  | Loans, net of unearned income |  | $ | 431,763 |  | $ | 426,410
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
March 31, 2016: |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 50,136 | 14 | — | 50,150 | 42 |  | $ | 50,192
Construction and land development |  |  | 45,758 | 129 | — | 45,887 | 66 |  |  | 45,953
Commercial real estate: |  |  |  |  |  |  |  |  |  |
| Owner occupied |  |  | 47,010 | — | — | 47,010 | — |  |  | 47,010
| Other |  |  | 160,576 | — | — | 160,576 | 1,734 |  |  | 162,310
|  | Total commercial real estate |  |  | 207,586 | — | — | 207,586 | 1,734 |  |  | 209,320
Residential real estate: |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  |  | 69,772 | 575 | — | 70,347 | 96 |  |  | 70,443
| Investment property |  |  | 46,555 | 48 | — | 46,603 | — |  |  | 46,603
|  | Total residential real estate |  |  | 116,327 | 623 | — | 116,950 | 96 |  |  | 117,046
Consumer installment |  |  | 9,741 | 28 | — | 9,769 | — |  |  | 9,769
|  | Total |  | $ | 429,548 | 794 | — | 430,342 | 1,938 |  | $ | 432,280
December 31, 2015: |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  | $ | 52,387 | 49 | — | 52,436 | 43 |  | $ | 52,479
Construction and land development |  |  | 43,111 | — | — | 43,111 | 583 |  |  | 43,694
Commercial real estate: |  |  |  |  |  |  |  |  |  |
| Owner occupied |  |  | 46,372 | — | — | 46,372 | 230 |  |  | 46,602
| Other |  |  | 155,731 | — | — | 155,731 | 1,520 |  |  | 157,251
|  | Total commercial real estate |  |  | 202,103 | — | — | 202,103 | 1,750 |  |  | 203,853
Residential real estate: |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  |  | 68,579 | 1,105 | — | 69,684 | 325 |  |  | 70,009
| Investment property |  |  | 46,435 | 229 | — | 46,664 | — |  |  | 46,664
|  | Total residential real estate |  |  | 115,014 | 1,334 | — | 116,348 | 325 |  |  | 116,673
Consumer installment |  |  | 10,179 | 28 | — | 10,207 | 13 |  |  | 10,220
|  | Total |  | $ | 422,794 | 1,411 | — | 424,205 | 2,714 |  | $ | 426,919
Allowance for Credit Losses on Financing Receivables [Table Text Block] |
|  |  | March 31, 2016
(In thousands) | Commercial and industrial |  | Construction and land development |  | Commercial real estate |  | Residential real estate |  | Consumer installment |  |  |  | Total
Quarter ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 523 |  | 669 |  | 1,879 |  | 1,059 |  | 159 |  |  | $ | 4,289
Charge-offs |  | — |  | — |  | — |  | (118) |  | (26) |  |  |  | (144)
Recoveries |  | 20 |  | 1,198 |  | — |  | 7 |  | 4 |  |  |  | 1,229
| Net recoveries (charge-offs) |  | 20 |  | 1,198 |  | — |  | (111) |  | (22) |  |  |  | 1,085
Provision for loan losses |  | (26) |  | (1,173) |  | 525 |  | 78 |  | (4) |  |  |  | (600)
Ending balance | $ | 517 |  | 694 |  | 2,404 |  | 1,026 |  | 133 |  |  | $ | 4,774
|  |  | March 31, 2015
(In thousands) | Commercial and industrial |  | Construction and land development |  | Commercial real estate |  | Residential real estate |  | Consumer installment |  |  |  | Total
Quarter ended: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 639 |  | 974 |  | 1,928 |  | 1,119 |  | 176 |  |  | $ | 4,836
Charge-offs |  | (58) |  | — |  | — |  | (60) |  | (17) |  |  |  | (135)
Recoveries |  | 1 |  | 5 |  | — |  | 14 |  | 1 |  |  |  | 21
| Net (charge-offs) recoveries |  | (57) |  | 5 |  | — |  | (46) |  | (16) |  |  |  | (114)
Provision for loan losses |  | 62 |  | (149) |  | (40) |  | 80 |  | 47 |  |  |  | —
Ending balance | $ | 644 |  | 830 |  | 1,888 |  | 1,153 |  | 207 |  |  | $ | 4,722
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
March 31, 2016: |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 517 | 50,152 |  | — | 40 |  | 517 | 50,192
Construction and land development |  | 694 | 45,887 |  | — | 66 |  | 694 | 45,953
Commercial real estate |  | 2,055 | 206,572 |  | 349 | 2,748 |  | 2,404 | 209,320
Residential real estate |  | 1,026 | 117,046 |  | — | — |  | 1,026 | 117,046
Consumer installment |  | 133 | 9,769 |  | — | — |  | 133 | 9,769
|  | Total | $ | 4,425 | 429,426 |  | 349 | 2,854 |  | 4,774 | 432,280
Financing Receivable Credit Quality Indicators [Table Text Block] |
(In thousands) |  | Pass |  | Special Mention |  | Substandard Accruing |  | Nonaccrual |  |  | Total loans
March 31, 2016: |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 46,055 |  | 3,786 |  | 309 |  | 42 |  | $ | 50,192
Construction and land development |  | 45,356 |  | 54 |  | 477 |  | 66 |  |  | 45,953
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |
| Owner occupied |  | 46,419 |  | 275 |  | 316 |  | - |  |  | 47,010
| Other |  | 160,074 |  | 35 |  | 467 |  | 1,734 |  |  | 162,310
|  | Total commercial real estate |  | 206,493 |  | 310 |  | 783 |  | 1,734 |  |  | 209,320
Residential real estate: |  |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  | 65,003 |  | 2,490 |  | 2,854 |  | 96 |  |  | 70,443
| Investment property |  | 45,519 |  | - |  | 1,084 |  | — |  |  | 46,603
|  | Total residential real estate |  | 110,522 |  | 2,490 |  | 3,938 |  | 96 |  |  | 117,046
Consumer installment |  | 9,630 |  | 29 |  | 110 |  | — |  |  | 9,769
|  | Total | $ | 418,056 |  | 6,669 |  | 5,617 |  | 1,938 |  | $ | 432,280
December 31, 2015: |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial | $ | 48,038 |  | 4,075 |  | 323 |  | 43 |  | $ | 52,479
Construction and land development |  | 42,458 |  | 60 |  | 593 |  | 583 |  |  | 43,694
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |
| Owner occupied |  | 45,772 |  | 381 |  | 219 |  | 230 |  |  | 46,602
| Other |  | 155,423 |  | 36 |  | 272 |  | 1,520 |  |  | 157,251
|  | Total commercial real estate |  | 201,195 |  | 417 |  | 491 |  | 1,750 |  |  | 203,853
Residential real estate: |  |  |  |  |  |  |  |  |  |  |
| Consumer mortgage |  | 64,502 |  | 1,964 |  | 3,218 |  | 325 |  |  | 70,009
| Investment property |  | 45,399 |  | 112 |  | 1,153 |  | — |  |  | 46,664
|  | Total residential real estate |  | 109,901 |  | 2,076 |  | 4,371 |  | 325 |  |  | 116,673
Consumer installment |  | 10,038 |  | 55 |  | 114 |  | 13 |  |  | 10,220
|  | Total | $ | 411,630 |  | 6,683 |  | 5,892 |  | 2,714 |  | $ | 426,919
Impaired Financing Receivables [Table Text Block] |
|  |  |  |  |  |  | March 31, 2016
(In thousands) |  | Unpaid principal balance (1) | Charge-offs and payments applied (2) | Recorded investment (3) |  |  | Related allowance
With no allowance recorded:
Commercial and industrial | $ | 40 | — | 40 |  |  |
Construction and land development |  | 167 | (101) | 66 |  |  |
Commercial real estate: |  |  |  |  |  |  |
| Other |  | 306 | (81) | 225 |  |  |
|  | Total commercial real estate |  | 306 | (81) | 225 |  |  |
|  | Total | $ | 513 | (182) | 331 |
With allowance recorded: |
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied |  | 1,014 | — | 1,014 |  |  | 110
| Other |  | 2,136 | (627) | 1,509 |  |  | 239
|  | Total commercial real estate |  | 3,150 | (627) | 2,523 |  |  | 349
|  | Total | $ | 3,150 | (627) | 2,523 |  | $ | 349
|  | Total impaired loans | $ | 3,663 | (809) | 2,854 |  | $ | 349
(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.
|  |  |  |  |  |  | December 31, 2015
(In thousands) |  | Unpaid principal balance (1) | Charge-offs and payments applied (2) | Recorded investment (3) |  |  | Related allowance
With no allowance recorded:
Commercial and industrial | $ | 48 | — | 48 |  |  |
Construction and land development |  | 2,582 | (1,999) | 583 |  |  |
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied |  | 308 | (78) | 230 |  |  |
| Other |  | 2,136 | (617) | 1,519 |  |  |
|  | Total commercial real estate |  | 2,444 | (695) | 1,749 |  |  |
|  | Total | $ | 5,074 | (2,694) | 2,380 |
With allowance recorded: |
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied |  | 1,027 | — | 1,027 |  |  | 121
|  | Total commercial real estate |  | 1,027 | — | 1,027 |  |  | 121
|  | Total | $ | 1,027 | — | 1,027 |  | $ | 121
|  | Total impaired loans | $ | 6,101 | (2,694) | 3,407 |  | $ | 121
(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 March 31, 2016 |  |  | Quarter ended March 31, 2015
|  |  |  |  |  |  |  | Average |  | Total interest |  |  |  | Average |  | Total interest
|  |  |  |  |  |  |  | recorded |  | income |  |  |  | recorded |  | income
(In thousands) |  |  | investment |  | recognized |  |  |  | investment |  | recognized
Impaired loans: |  |  |  |  |  |  |
Commercial and industrial |  | $ | 32 |  | $ | 1 |  |  | $ | 67 |  | $ | 1
Construction and land development |  |  | 198 |  |  | — |  |  |  | 616 |  |  | —
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |
| Owner occupied |  |  | 1,020 |  |  | 15 |  |  |  | 1,099 |  |  | 12
| Other |  |  | 1,742 |  |  | — |  |  |  | 591 |  |  | 10
|  | Total commercial real estate |  |  | 2,762 |  |  | 15 |  |  |  | 1,690 |  |  | 22
Residential real estate: |  |  |  |  |  |  |  |  |  |  |  |  |
| Consumer mortgages |  |  | — |  |  | — |  |  |  | 751 |  |  | 15
| Investment property |  |  | — |  |  | — |  |  |  | 153 |  |  | —
|  | Total residential real estate |  |  | — |  |  | — |  |  |  | 904 |  |  | 15
|  | Total |  | $ | 2,992 |  | $ | 16 |  |  | $ | 3,277 |  | $ | 38
Troubled Debt Restructurings on Financing Receivables, Accrual Status [Table Text Block] |
|  |  |  |  |  |  | TDRs
|  |  |  |  |  |  |  |  |  |  |  | Related
(In thousands) |  | Accruing | Nonaccrual | Total |  |  | Allowance
March 31, 2016 |  |  |  |  |  |  |
Commercial and industrial | $ | 40 | — | 40 |  | $ | —
Construction and land development |  | — | 66 | 66 |  |  | —
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied |  | 1,014 | 225 | 1,239 |  |  | 110
|  | Total commercial real estate |  | 1,014 | 225 | 1,239 |  |  | 110
|  | Total | $ | 1,054 | 291 | 1,345 |  | $ | 110
December 31, 2015 |  |
Commercial and industrial | $ | 48 | — | 48 |  | $ | —
Construction and land development |  | — | 582 | 582 |  |  | —
Commercial real estate: |  |  |  |  |  |  |
| Owner occupied |  | 1,027 | 230 | 1,257 |  |  | 121
|  | Total commercial real estate |  | 1,027 | 230 | 1,257 |  |  | 121
|  | Total | $ | 1,075 | 812 | 1,887 |  | $ | 121
Troubled Debt Restructuring Modifications [Table Text Block] |
|  |  |  |  |  | Quarter ended March 31, 2016 |  |  | Quarter ended March 31, 2015
|  |  |  |  |  |  |  |  | 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
TDRs: |  |  |  |  |  |  |  |  |  |  |  |  |
Construction and land development | — |  | $ | — |  | — |  |  | 1 |  | $ | 116 |  | 113
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Other | — |  |  | — |  | — |  |  | 1 |  |  | 592 |  | 592
|  | Total commercial real estate | — |  |  | — |  | — |  |  | 1 |  |  | 592 |  | 592
|  | Total | — |  | $ | — |  | — |  |  | 2 |  | $ | 708 |  | 705
Schedule Of Debtor Troubled Debt Restructuring, Subsequent Defaults [Table Text Block] |
|  |  |  |  |  | Quarter ended March 31, 2016 |  |  | Quarter ended March 31, 2015
|  |  |  |  |  | Number of |  |  | Recorded |  |  |  | Number of |  |  | Recorded |
(Dollars in thousands) | Contracts |  |  | investment(1) |  |  |  | Contracts |  |  | investment(1) |
TDRs: |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |
| Owner occupied | — |  | $ | — |  |  |  | 1 |  | $ | 261 |
|  | Total commercial real estate | — |  |  | — |  |  |  | 1 |  |  | 261 |
Residential real estate: |  |  |  |  |  |  |  |  |  |  |  |
| Investment property | — |  |  | — |  |  |  | 1 |  |  | 150 |
|  | Total residential real estate | — |  |  | — |  |  |  | 1 |  |  | 150 |
|  | Total | — |  | $ | — |  |  |  | 2 |  | $ | 411 |
(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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=32702940&loc=SL6953803-111525 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953659-111524 + Details
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