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Accumulated Other Comprehensive Loss | 9 Months Ended
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Sep. 30, 2017
Equity [Abstract] |
Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss 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 | )
| 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 The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e689-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669619-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e640-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e716-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e709-108580 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reclassification Adjustments -URI http://asc.fasb.org/extlink&oid=6522872 + Details
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