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Comprehensive Income (Loss), Net of Tax (Tables) | 12 Months Ended
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Dec. 31, 2020
Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Comprehensive Income (Loss) | The following table presents the components of other comprehensive income (loss) for the years ended December 31, 2020, 2019 and 2018:
Schedule of Comprehensive Income (Loss)
| Before-Tax Amount |  | Tax Expense (Benefit) |  | Net-of-Tax Amount
2020 |  |  |  |  |
Net Unrealized Securities Holding Gains Arising During the Period | $ | 7,129 |  |  | (1,823) |  |  | 5,306 |
Reclassification Adjustment for Securities Losses Included in Net Income | 37 |  |  | (9) |  |  | 28 |
Net Unrealized Gains on Cash Flow Swap | 651 |  |  | (166) |  |  | 485
Net Retirement Plan Losses | (337) |  |  | 86 |  |  | (251) |
Net Retirement Plan Prior Service Cost | (472) |  |  | 119 |  |  | (353) |
Amortization of Net Retirement Plan Actuarial Loss | 227 |  |  | (58) |  |  | 169 |
Amortization of Net Retirement Plan Prior Service Cost | 211 |  |  | (54) |  |  | 157 |
Other Comprehensive Income | $ | 7,446 |  |  | $ | (1,905) |  |  | $ | 5,541 |
2019 |  |  |  |  |
Net Unrealized Securities Holding Gains Arising During the Period | $ | 5,580 |  |  | $ | (1,418) |  |  | $ | 4,162 |
Net Retirement Plan Gains | 3,505 |  |  | (891) |  |  | 2,614 |
Amortization of Net Retirement Plan Actuarial Loss | 684 |  |  | (174) |  |  | 510 |
Amortization of Net Retirement Plan Actuarial Loss | 224 |  |  | (57) |  |  | 167 |
Other Comprehensive Income | $ | 9,993 |  |  | $ | (2,540) |  |  | $ | 7,453 |
2018 |  |  |  |  |
Net Unrealized Securities Holding Losses Arising During the Period | $ | (2,839) |  |  | $ | 723 |  |  | $ | (2,116) |
Net Retirement Plan Losses | (3,798) |  |  | 965 |  |  | (2,833) |
Net Retirement Plan Prior Service Cost | (453) |  |  | 115 |  |  | (338) |
Amortization of Net Retirement Plan Actuarial Loss | 325 |  |  | (83) |  |  | 242 |
Amortization of Net Retirement Plan Actuarial Loss | 108 |  |  | (28) |  |  | 80 |
Other Comprehensive Loss | $ | (6,657) |  |  | $ | 1,692 |  |  | $ | (4,965) |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents the changes in accumulated other comprehensive income by component:
Changes in Accumulated Other Comprehensive Income (Loss) by Component (1)
| Unrealized |  |  |  | Defined Benefit Plan Items |  |
| Gains and |  | Unrealized |  |  |  |  |  |
| Losses on |  | Gain On |  | Net |  | Net Prior |  |
| Available-for- |  | Cash Flow |  | Actuarial |  | Service |  |
| Sale Securities |  | Swap |  | Gain (Loss) |  | (Cost ) Credit |  | Total
For the Year-To-Date periods ended: |  |  |  |  |  |  |  |  |
December 31, 2019 | $ | 465 |  |  | $ | — |  |  | $ | (5,847) |  |  | $ | (975) |  |  | $ | (6,357) |
Other comprehensive income (loss) before reclassifications | 5,306 |  |  | 485 |  | (251) |  |  | (353) |  |  | 5,187 |
Amounts reclassified from accumulated other comprehensive income | 28 |  |  |  | 169 |  |  | 157 |  |  | 354 |
Net current-period other comprehensive income (loss) | 5,334 |  |  | 485 |  |  | (82) |  |  | (196) |  |  | 5,541 |
December 31, 2020 | $ | 5,799 |  |  | $ | 485 |  |  | $ | (5,929) |  |  | $ | (1,171) |  |  | $ | (816) |
December 31, 2018 | $ | (3,697) |  |  | $ | — |  |  | $ | (8,971) |  |  | $ | (1,142) |  |  | $ | (13,810) |
Other comprehensive income before reclassifications | 4,162 |  |  | — |  |  | 2,614 |  |  | — |  |  | 6,776 |
Amounts reclassified from accumulated other comprehensive income | — |  |  | — |  |  | 510 |  |  | 167 |  |  | 677 |
Net current-period other comprehensive income | 4,162 |  |  | — |  |  | 3,124 |  |  | 167 |  |  | 7,453 |
December 31, 2019 | $ | 465 |  |  | $ | — |  |  | $ | (5,847) |  |  | $ | (975) |  |  | $ | (6,357) |
December 31, 2017 | $ | (1,250) |  |  | $ | — |  |  | $ | (6,380) |  |  | $ | (884) |  |  | $ | (8,514) |
Other comprehensive loss before reclassifications | (2,116) |  |  | — |  |  | (2,833) |  |  | (338) |  |  | (5,287) |
Amounts reclassified from accumulated other comprehensive loss | — |  |  | — |  |  | 242 |  |  | 80 |  |  | 322 |
Net current-period other comprehensive loss | (2,116) |  |  | — |  |  | (2,591) |  |  | (258) |  |  | (4,965) |
Amounts reclassified from accumulated other comprehensive loss | (331) |  |  | — |  |  | — |  |  | — |  |  | (331) |
December 31, 2018 | $ | (3,697) |  |  | $ | — |  |  | $ | (8,971) |  |  | $ | (1,142) |  |  | $ | (13,810) |
(1) All amounts are net of tax. Amounts in parentheses indicate debits.
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 (1)
|  | Amounts Reclassified |  |
Details about Accumulated Other |  | from Accumulated Other |  | Affected Line Item in the Statement
Comprehensive Income Components |  | Comprehensive Income |  | Where Net Income Is Presented
For the Year-to-date periods ended: |  |  |  |
December 31, 2020 |  |  |  |
Unrealized gains and losses on available-for-sale securities |  | $ | (37) |  |  | Loss on Securities Transactions, Net
|  | (37) |  |  | Total before tax
|  | 9 |  |  | Provision for Income Taxes
|  | $ | (28) |  |  | Net of tax
Amortization of defined benefit pension items |  |  |  |
Prior-service credit |  | $ | (211) |  | (2) | Salaries and Employee Benefits
Actuarial Loss |  | (227) |  | (2) | Salaries and Employee Benefits
|  | (438) |  |  | Total before tax
|  | 112 |  |  | Provision for Income Taxes
|  | $ | (326) |  |  | Net of tax
Total reclassifications for the period |  | $ | (354) |  |  | Net of tax
December 31, 2019 |  |  |  |
Unrealized gains and losses on available-for-sale securities |  | $ | — |  |  | Loss on Securities Transactions, Net
|  | — |  |  | Total before tax
|  | — |  |  | Provision for Income Taxes
|  | $ | — |  |  | Net of tax
Amortization of defined benefit pension items |  |  |  |
Prior-service credit |  | $ | (224) |  | (2) | Salaries and Employee Benefits
Actuarial Loss |  | (684) |  | (2) | Salaries and Employee Benefits
|  | (908) |  |  | Total before tax
|  | 231 |  |  | Provision for Income Taxes
|  | $ | (677) |  |  | Net of tax
Total reclassifications for the period |  | $ | (677) |  |  | Net of tax
Reclassifications Out of Accumulated Other Comprehensive Income (1)
|  | Amounts Reclassified |  |
Details about Accumulated Other |  | from Accumulated Other |  | Affected Line Item in the Statement
Comprehensive Income Components |  | Comprehensive Income |  | Where Net Income Is Presented
December 31, 2018 |  |  |  |
Unrealized gains and losses on available-for-sale securities |  | $ | — |  |  | Gain on Securities Transactions, Net
|  | — |  |  | Total before tax
|  | — |  |  | Provision for Income Taxes
|  | $ | — |  |  | Net of tax
Amortization of defined benefit pension items |  |  |  |
Prior-service credit |  | $ | (108) |  | (2) | Salaries and Employee Benefits
Actuarial Loss |  | (325) |  | (2) | Salaries and Employee Benefits
|  | (433) |  |  | Total before tax
|  | 111 |  |  | Provision for Income Taxes
|  | $ | (322) |  |  | Net of tax
Total reclassifications for the period |  | $ | (322) |  |  | Net of tax
(1) Amounts in parentheses indicate debits to profit/loss. (2) These accumulated other comprehensive income components are included in the computation of net periodic pension cost (see retirement benefit plans footnote for additional details).

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