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Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2021
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Comprehensive Income | The following table presents the components of other comprehensive income for the three month periods ended March 31, 2021 and 2020:
Schedule of Comprehensive Income
| Three Months Ended March 31 |  |
|  |  | Tax |  |  |  |  |  |  |  |
| Before-Tax |  | (Expense) |  | Net-of-Tax |  |  |  |  |  |
| Amount |  | Benefit |  | Amount |  |  |  |  |  |
2021 |  |  |  |  |  |  |  |  |  |  |
Net Unrealized Securities Holding Loss on Securities Available-for-Sale Arising During the Period | $ | (5,121) |  |  | $ | 1,309 |  |  | $ | (3,812) |  |  |  |  |  |  |
Net Unrealized Gain on Cash Flow Swap | 1,982 |  |  | (507) |  |  | 1,475 |  |  |  |  |  |  |
Reclassification of Net Unrealized Gain on Cash Flow Hedge Agreements to Interest Expense | (28) |  |  | 8 |  |  | (20) |  |  |  |  |  |  |
Amortization of Net Retirement Plan Actuarial Loss | 46 |  |  | (12) |  |  | 34 |  |  |  |  |  |  |
Amortization of Net Retirement Plan Prior Service Cost | 59 |  |  | (16) |  |  | 43 |  |  |  |  |  |  |
Other Comprehensive Loss | $ | (3,062) |  |  | $ | 782 |  |  | $ | (2,280) |  |  |  |  |  |  |
2020 |  |  |  |  |  |  |  |  |  |  |
Net Unrealized Securities Holding Gain on Securities Available-for-Sale Arising During the Period | $ | 5,504 |  |  | $ | (1,406) |  |  | $ | 4,098 |  |  |  |  |  |  |
Net Unrealized Loss on Cash Flow Swap | (294) |  |  | 75 |  |  | (219) |  |  |  |  |  |  |
Amortization of Net Retirement Plan Actuarial Loss | 36 |  |  | (9) |  |  | 27 |  |  |  |  |  |  |
Amortization of Net Retirement Plan Prior Service Cost | 54 |  |  | (15) |  |  | 39 |  |  |  |  |  |  |
Other Comprehensive Income | $ | 5,300 |  |  | $ | (1,355) |  |  | $ | 3,945 |  |  |  |  |  |  |
Changes in Accumulated Other Comprehensive Income By Component | The following table presents the changes in accumulated other comprehensive income by component:
Changes in Accumulated Other Comprehensive Income (Loss) by Component (1)
| Unrealized (Loss) and Gain on Available-for-Sale Securities |  | Unrealized Gain (Loss) on Cash Flow Swap |  | Defined Benefit Plan Items |  | Total
|  |  | Net Actuarial Loss |  | Net Prior Service Cost |
For the Quarter-To-Date periods ended: |  |  |  |  |  |  |  |  |
December 31, 2020 | $ | 5,799 |  |  | $ | 485 |  |  | $ | (5,929) |  |  | $ | (1,171) |  |  | $ | (816) |
Other comprehensive income or loss before reclassifications | (3,812) |  |  | 1,475 |  |  | — |  |  | — |  |  | (2,337) |
Amounts reclassified from accumulated other comprehensive income | — |  |  | (20) |  |  | 34 |  |  | 43 |  |  | 57 |
Net current-period other comprehensive income | (3,812) |  |  | 1,455 |  |  | 34 |  |  | 43 |  |  | (2,280) |
March 31, 2021 | $ | 1,987 |  |  | $ | 1,940 |  |  | $ | (5,895) |  |  | $ | (1,128) |  |  | $ | (3,096) |
December 31, 2019 | $ | 465 |  |  | $ | — |  |  | $ | (5,847) |  |  | $ | (975) |  |  | $ | (6,357) |
Other comprehensive income or loss before reclassifications | 4,098 |  |  | (219) |  |  | — |  |  | — |  |  | 3,879 |
Amounts reclassified from accumulated other comprehensive income | — |  |  | — |  |  | 27 |  |  | 39 |  |  | 66 |
Net current-period other comprehensive income | 4,098 |  |  | (219) |  |  | 27 |  |  | 39 |  |  | 3,945 |
March 31, 2020 | $ | 4,563 |  |  | $ | (219) |  |  | $ | (5,820) |  |  | $ | (936) |  |  | $ | (2,412) |
(1) All amounts are net of tax.
Reclassification out of Accumulated Other Comprehensive Income | The following table presents the reclassifications out of accumulated other comprehensive income:
Reclassifications Out of Accumulated Other Comprehensive Income
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amounts Reclassified from Accumulated Other Comprehensive Income |  | Affected Line Item in the Statement Where Net Income Is Presented
For the Quarter-to-date periods ended: |  |  |  |
March 31, 2021 |  |  |  |
Reclassification of Net Unrealized Gain on Cash Flow Hedge Agreements to Interest Expense |  | $ | 28 |  |  | Interest expense
Amortization of defined benefit pension items: |  |  |  |
Prior-service costs |  | (59) |  | (1) | Salaries and Employee Benefits
Actuarial loss |  | (46) |  | (1) | Salaries and Employee Benefits
|  | (77) |  |  | Total before Tax
|  | 20 |  |  | Provision for Income Taxes
Total reclassifications for the period |  | $ | (57) |  |  | Net of Tax
March 31, 2020 |  |  |  |
Amortization of defined benefit pension items: |  |  |  |
Prior-service costs |  | $ | (54) |  | (1) | Salaries and Employee Benefits
Actuarial loss |  | (36) |  | (1) | Salaries and Employee Benefits
|  | (90) |  |  | Total before Tax
|  | 24 |  |  | Provision for Income Taxes
Total reclassifications for the period |  | $ | (66) |  |  | Net of Tax
(1) These accumulated other comprehensive income components are included in the computation of net periodic pension cost.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: 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=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121641772&loc=d3e526-108580 + Details
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