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Accumulated Other Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2017
Equity [Abstract] |
Schedule of Changes In Each Component of Accumulated Other Comprehensive Income | The activity in accumulated other comprehensive loss is presented in the tables below (in thousands). All amounts are shown net of tax, which is calculated using a combined federal and state income tax rate approximating 37%.
| Accumulated Other Comprehensive Income (Loss)
|  | Unrealized |
|  | Gains (Losses) on |
| Defined Benefit | Securities |
| Pension Plans | Available-for-Sale | Total
Balance at December 31, 2015 | $ | (4,759 | ) | $ | 927 |  | $ | (3,832 | )
Other comprehensive income before reclassifications | — |  | 7,301 |  | 7,301 |
Amounts reclassified from other comprehensive loss | — |  | (2,215 | ) | (2,215 | )
| — |  | 5,086 |  | 5,086 |
Balance at September 30, 2016 | $ | (4,759 | ) | $ | 6,013 |  | $ | 1,254 |
Balance at December 31, 2016 | $ | (4,660 | ) | $ | (2,352 | ) | $ | (7,012 | )
Other comprehensive income before reclassifications | — |  | 5,933 |  | 5,933 |
Amounts reclassified from other comprehensive loss | — |  | (2,698 | ) | (2,698 | )
| — |  | 3,235 |  | 3,235 |
Balance at September 30, 2017 | $ | (4,660 | ) | $ | 883 |  | $ | (3,777 | )
Schedule of Amounts Reclassified Out Of Accumulated Other Comprehensive Income |
| Amount reclassified from Other Comprehensive Loss |
| Three months ended | Nine months ended | Affected line item
| September 30, | September 30, | in the Statements
| 2017 | 2016 | 2017 | 2016 | of Income
Securities available-for-sale: |  |  |  |  |
Net securities gains reclassified into earnings | $ | — |  | $ | (2,668 | ) | $ | (4,276 | ) | $ | (3,513 | ) | Security gains (losses)
Related income tax expense | — |  | 985 |  | 1,578 |  | 1,298 |  | Income tax expense
Net effect on accumulated other comprehensive loss | $ | — |  | $ | (1,683 | ) | $ | (2,698 | ) | $ | (2,215 | ) |

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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