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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2015
Income Tax Disclosure [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] | Income tax expense attributable to income from operations consisted of:
(Dollars in thousands) |  | Years ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
Current: |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 2,858 |  | $ | 2,465 |  | $ | 1,178 |
State |  |  | 431 |  |  | 664 |  |  | (14) |
Total current |  |  | 3,289 |  |  | 3,129 |  |  | 1,164 |
Deferred: |  |  |  |  |  |  |  |  |  |
Federal |  |  | 641 |  |  | (19) |  |  | (375) |
State |  |  | (56) |  |  | (122) |  |  | (76) |
Total deferred |  |  | 585 |  |  | (141) |  |  | (451) |
Deferred tax valuation allowance |  |  | 40 |  |  | 38 |  |  | 33 |
Income tax expense |  | $ | 3,914 |  | $ | 3,026 |  | $ | 746 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] | The reasons for the difference between actual income tax expense (benefit) and expected income tax expense attributable to income from operations at the 34% statutory federal income tax rate were as follows:
(Dollars in thousands) |  | Years ended December 31, |
|  | 2015 |  | 2014 |  | 2013 |
Computed “expected” tax expense |  | $ | 4,903 |  | $ | 3,766 |  | $ | 1,836 |
(Reduction) increase in income taxes resulting from: |  |  |  |  |  |  |  |  |  |
Tax-exempt interest income, net |  |  | (1,104) |  |  | (970) |  |  | (861) |
Bank owned life insurance |  |  | (178) |  |  | (182) |  |  | (201) |
Reversal of unrecognized tax benefits, net |  |  | (138) |  |  | 63 |  |  | (207) |
State income taxes, net of federal benefit |  |  | 412 |  |  | 320 |  |  | 169 |
Investment tax credits |  |  | (11) |  |  | (12) |  |  | (26) |
Other, net |  |  | 30 |  |  | 41 |  |  | 36 |
|  | $ | 3,914 |  | $ | 3,026 |  | $ | 746 |
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] | The tax effects of temporary differences that give rise to the significant portions of the deferred tax assets and liabilities at the following dates were as follows:
(Dollars in thousands) |  | As of December 31, |
|  | 2015 |  | 2014 |
Deferred tax assets: |  |  |  |  |  |  |
Federal alternative minimum tax credit and low income housing credit carry forwards |  | $ | 123 |  | $ | 1,083 |
Loans, including allowance for loan losses |  |  | 2,614 |  |  | 2,392 |
Net operating loss carry forwards |  |  | 611 |  |  | 571 |
State taxes |  |  | 813 |  |  | 683 |
Acquisition costs |  |  | 428 |  |  | 461 |
Intangible assets |  |  | 205 |  |  | 294 |
Deferred compensation arrangements |  |  | 174 |  |  | 189 |
Valuation allowance on other real estate |  |  | - |  |  | 8 |
Investment impairments |  |  | 48 |  |  | 48 |
Other, net |  |  | 34 |  |  | 49 |
Total deferred tax assets |  |  | 5,050 |  |  | 5,778 |
Deferred tax liabilities: |  |  |  |  |  |  |
Unrealized gain on investment securities available-for-sale |  |  | 1,234 |  |  | 1,035 |
Premises and equipment, net of depreciation |  |  | 900 |  |  | 908 |
FHLB stock dividends |  |  | 78 |  |  | 138 |
Other borrowings |  |  | 193 |  |  | 261 |
Investments |  |  | 2 |  |  | 9 |
Total deferred tax liabilities |  |  | 2,407 |  |  | 2,351 |
Less valuation allowance |  |  | (611) |  |  | (571) |
Net deferred tax asset |  | $ | 2,032 |  | $ | 2,856 |
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] | A reconciliation of the beginning and ending amount of the liability relating to unrecognized tax benefits is as follows:
(Dollars in thousands) |  | Years ended December 31, |
|  | 2015 |  | 2014 |
Unrecognized tax benefits at beginning of year |  | $ | 1,449 |  | $ | 926 |
Gross increases to current year tax positions |  |  | 645 |  |  | 497 |
Gross increases (decreases) to prior year’s tax positions |  |  | (2) |  |  | 72 |
Lapse of statute of limitations |  |  | (292) |  |  | (46) |
Unrecognized tax benefits at end of year |  | $ | 1,800 |  | $ | 1,449 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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