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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2019
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The activity in accumulated other comprehensive income (loss) is presented in the tables below (in thousands). The activity is shown net of tax, which is calculated using a combined Federal and state income tax rate approximating 23%.
| Accumulated Other Comprehensive Income (Loss)
|  | Unrealized |
|  | Gains (Losses) on |
| Defined Benefit | Securities |
| Pension Plans | Available-for-Sale | Total
Balance at December 31, 2017 | $ | (5,033 | ) | $ | (611 | ) | $ | (5,644 | )
Other comprehensive loss before reclassifications | (963 | ) | (5,343 | ) | (6,306 | )
Amounts reclassified from other comprehensive loss | 125 |  | — |  | 125 |
| (838 | ) | (5,343 | ) | (6,181 | )
Adoption of ASU No. 2016-01 | — |  | (2,657 | ) | (2,657 | )
Balance at December 31, 2018 | $ | (5,871 | ) | $ | (8,611 | ) | $ | (14,482 | )
Other comprehensive (loss) income before reclassifications | (399 | ) | 20,775 |  | 20,376 |
Amounts reclassified from other comprehensive income (loss) | — |  | (54 | ) | (54 | )
| (399 | ) | 20,721 |  | 20,322 |
Balance at December 31, 2019 | $ | (6,270 | ) | $ | 12,110 |  | $ | 5,840 |
Schedule of Amounts Reclassified from Accumulated Other Comprehensive Income |
| Amount reclassified from Other Comprehensive Income (Loss) | Affected line item
| December 31, | in the Consolidated
| 2019 | 2018 | 2017 | Statements of Income
Securities available-for-sale: |  |  |  |
Net securities gains reclassified into earnings | $ | (69 | ) | $ | — |  | $ | (4,476 | ) | Gains on sale of investment securities
Related income tax expense | 15 |  | — |  | 1,657 |  | Income tax expense
Net effect on accumulated other comprehensive income (loss) | $ | (54 | ) | $ | — |  | $ | (2,819 | ) |
Defined benefit pension plans: |  |  |  |
Gain on termination of defined benefit plan | $ | — |  | $ | 163 |  | $ | — |  | Other expense
Related income tax expense | — |  | (38 | ) | — |  | Income tax expense
Net effect on accumulated other comprehensive income (loss) | $ | — |  | $ | 125 |  | $ | — |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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