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Income Taxes | 12 Months Ended
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Dec. 31, 2016
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes The current and deferred components of income tax expense (benefit) were as follows:
For the years ended December 31, | 2016 |  | 2015 |  | 2014
Federal income tax |  |  |  |  |
Current | $ | 6,276,000 |  |  | $ | 4,895,000 |  |  | $ | 4,282,000 |
Deferred | (139,000 | ) |  | 332,000 |  |  | 18,000 |
| 6,137,000 |  |  | 5,227,000 |  |  | 4,300,000 |
State franchise tax | 317,000 |  |  | 287,000 |  |  | 266,000 |
| $ | 6,454,000 |  |  | $ | 5,514,000 |  |  | $ | 4,566,000 |
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, | 2016 |  | 2015 |  | 2014
Expected tax expense | $ | 8,562,000 |  |  | $ | 7,602,000 |  |  | $ | 6,746,000 |
Non-taxable income | (2,176,000 | ) |  | (2,086,000 | ) |  | (2,292,000 | )
State franchise tax, net of federal tax benefit | 206,000 |  |  | 187,000 |  |  | 173,000 |
Tax credits, net of amortization | (105,000 | ) |  | (185,000 | ) |  | (414,000 | )
Other | (33,000 | ) |  | (4,000 | ) |  | 353,000 |
| $ | 6,454,000 |  |  | $ | 5,514,000 |  |  | $ | 4,566,000 |
Deferred tax assets and liabilities are classified in other assets and other liabilities in the consolidated balance sheets. No valuation allowance is deemed necessary for the deferred tax asset. Items that give rise to the deferred income tax assets and liabilities and the tax effect of each at December 31, 2016 and 2015 are as follows:
| 2016 |  | 2015
Allowance for loan losses | $ | 3,548,000 |  |  | $ | 3,471,000 |
OREO | 72,000 |  |  | 57,000 |
Accrued pension and post-retirement | 1,730,000 |  |  | 1,769,000 |
Goodwill | 2,000 |  |  | 70,000 |
Unrealized loss on securities transferred from available for sale to held to maturity | 70,000 |  |  | 60,000 |
Unrealized loss on securities available for sale | 503,000 |  |  | — |
Restricted stock grants | 237,000 |  |  | 367,000 |
Core deposit intangible | 20,000 |  |  | 15,000 |
Investment in flow through entities | 29,000 |  |  | — |
Other assets | 48,000 |  |  | 93,000 |
Total deferred tax asset | 6,259,000 |  |  | 5,902,000 |
Net deferred loan costs | (1,895,000 | ) |  | (1,445,000 | )
Depreciation | (1,808,000 | ) |  | (2,000,000 | )
Unrealized gain on securities available for sale | — |  |  | (605,000 | )
Mortgage servicing rights | (390,000 | ) |  | (382,000 | )
Unrealized gain on derivative instruments | (626,000 | ) |  | — |
Investment in flow through entities | — |  |  | (425,000 | )
Prepaid expense | — |  |  | (104,000 | )
Total deferred tax liability | (4,719,000 | ) |  | (4,961,000 | )
Net deferred tax asset | $ | 1,540,000 |  |  | $ | 941,000 |
At December 2016 and 2015, the Company held investments in two limited partnerships with related low income housing tax credits. The investments are carried at cost and amortized on the effective yield method as they were entered into prior to 2015. The tax credits from the investments are estimated at $231,000 and $244,000 for the years ended December 31, 2016 and 2015, respectively, and are recorded as a reduction of income tax expense. Amortization of the investment in the limited partnership totaled $194,000 and $201,000 for the years ended December 31, 2016 and 2015, respectively, and is recognized as a component of income tax expense in the consolidated statements of income. The carrying value of these investments was $1,503,000 and $1,739,000 at December 31, 2016 and 2015, respectively, and is recorded in securities available for sale. The Company's total exposure to the limited partnership was $1,503,000 and $1,739,000, at December 31, 2016 and 2015, respectively, which is comprised of the Company's equity investment in the limited partnership. FASB ASC Topic 740, "Income Taxes," defines the criteria that an individual tax position must satisfy for some or all of the benefits of that position to be recognized in a company's financial statements. Topic 740 prescribes a recognition threshold of more-likely-than-not, and a measurement attribute for all tax positions taken or expected to be taken on a tax return, in order for those tax positions to be recognized in the financial statements. The Company is currently open to audit under the statute of limitations by the Internal Revenue Service for the years ended December 31, 2013 through 2015.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319 Reference 4: 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=65882285&loc=d3e32639-109319 Reference 5: 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=65882285&loc=d3e32537-109319 + Details
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