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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Tax Disclosure [Abstract] |
Current and Deferred Components of Income Tax Expense | The current and deferred components of income tax expense (benefit) were as follows:
For the years ended December 31, | 2017 |  | 2016 |  | 2015
Federal income tax |  |  |  |  |
Current | $ | 4,184,000 |  |  | $ | 6,276,000 |  |  | $ | 4,895,000 |
Deferred | 2,083,000 |  |  | (139,000 | ) |  | 332,000 |
| 6,267,000 |  |  | 6,137,000 |  |  | 5,227,000 |
State franchise tax | 345,000 |  |  | 317,000 |  |  | 287,000 |
| $ | 6,612,000 |  |  | $ | 6,454,000 |  |  | $ | 5,514,000 |
Actual Tax Expense from Expected Tax Expense | The actual tax expense differs from the expected tax expense (computed by applying the applicable U.S. Federal corporate income tax rate to income before income taxes) as follows:
For the years ended December 31, | 2017 |  | 2016 |  | 2015
Expected tax expense | $ | 9,170,000 |  |  | $ | 8,562,000 |  |  | $ | 7,602,000 |
Non-taxable income | (2,625,000 | ) |  | (2,176,000 | ) |  | (2,086,000 | )
State franchise tax, net of federal tax benefit | 224,000 |  |  | 206,000 |  |  | 187,000 |
Equity compensation | (83,000 | ) |  | — |  |  | — |
Tax credits, net of amortization | (88,000 | ) |  | (105,000 | ) |  | (185,000 | )
Change in federal tax rate | 134,000 |  |  | — |  |  | — |
Other | (120,000 | ) |  | (33,000 | ) |  | (4,000 | )
| $ | 6,612,000 |  |  | $ | 6,454,000 |  |  | $ | 5,514,000 |
Components of Deferred Tax Assets and Liabilities | Items that give rise to the deferred income tax assets and liabilities and the tax effect of each at December 31, 2017 and 2016 are as follows:
| 2017 |  | 2016
Allowance for loan losses | $ | 2,253,000 |  |  | $ | 3,548,000 |
OREO | 11,000 |  |  | 72,000 |
Accrued pension and post-retirement | 1,036,000 |  |  | 1,730,000 |
Goodwill | — |  |  | 2,000 |
Unrealized loss on securities transferred from available for sale to held to maturity | 46,000 |  |  | 70,000 |
Unrealized loss on securities available for sale | 772,000 |  |  | 503,000 |
Restricted stock grants | 173,000 |  |  | 237,000 |
Core deposit intangible | 15,000 |  |  | 20,000 |
Investment in flow through entities | 22,000 |  |  | 29,000 |
Other assets | 28,000 |  |  | 48,000 |
Total deferred tax asset | 4,356,000 |  |  | 6,259,000 |
Net deferred loan costs | (1,313,000 | ) |  | (1,895,000 | )
Depreciation | (1,306,000 | ) |  | (1,808,000 | )
Goodwill | (39,000 | ) |  | — |
Mortgage servicing rights | (266,000 | ) |  | (390,000 | )
Unrealized gain on derivative instruments | (410,000 | ) |  | (626,000 | )
Prepaid expense | (821,000 | ) |  | — |
Total deferred tax liability | (4,155,000 | ) |  | (4,719,000 | )
Net deferred tax asset | $ | 201,000 |  |  | $ | 1,540,000 |

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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=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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