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Comprehensive Loss (Tables) | 9 Months Ended
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Sep. 30, 2023
Equity [Abstract] |
Summary of Components of Other Comprehensive loss and Related Tax Effects | The components of other comprehensive loss and related tax effects are as follows:
| Three months ended September 30, |  | Nine months ended September 30,
(in thousands) | 2023 |  | 2022 |  | 2023 |  | 2022
Unrealized holding losses on available for sale securities before reclassifications | $ | (62,525) |  |  | $ | (109,341) |  |  | $ | (44,901) |  |  | $ | (317,659) |
Amounts reclassified out of AOCI: |  |  |  |  |  |  |
Realized loss on debt securities | — |  |  | — |  |  | 164 |  |  | — |
Unrealized holding losses on available for sale securities after reclassifications | (62,525) |  |  | (109,341) |  |  | (44,737) |  |  | (317,659) |
Tax effect | 18,485 |  |  | 32,601 |  |  | 13,226 |  |  | 93,911 |
Unrealized holding losses on available for sale securities, net of tax | (44,040) |  |  | (76,740) |  |  | (31,511) |  |  | (223,748) |
Change in unfunded status of the supplemental retirement plans before reclassifications | 114 |  |  | 5 |  |  | 342 |  |  | 97 |
Amounts reclassified out of AOCI: |  |  |  |  |  |  |
Amortization of prior service cost | — |  |  | (7) |  |  | — |  |  | (21) |
Amortization of actuarial losses | (114) |  |  | 2 |  |  | (342) |  |  | 6 |
Total amounts reclassified out of accumulated other comprehensive loss | (114) |  |  | (5) |  |  | (342) |  |  | (15) |
Change in unfunded status of the supplemental retirement plans after reclassifications | — |  |  | — |  |  | — |  |  | 82 |
Tax effect | — |  |  | — |  |  | — |  |  | (24) |
Change in unfunded status of the supplemental retirement plans, net of tax | — |  |  | — |  |  | — |  |  | 58 |
Change in joint beneficiary agreement liability before reclassifications, net of tax | — |  |  | — |  |  | — |  |  | — |
Total other comprehensive loss | $ | (44,040) |  |  | $ | (76,740) |  |  | $ | (31,511) |  |  | $ | (223,690) |
Summary of Components of Accumulated Other Comprehensive Loss | The components of accumulated other comprehensive loss, included in shareholders’ equity, are as follows:
(in thousands) | September 30, 2023 |  | December 31, 2022
Net unrealized loss on available for sale securities | $ | (335,286) |  |  | $ | (290,549) |
Tax effect | 99,123 |  |  | 85,897 |
Unrealized holding loss on available for sale securities, net of tax | (236,163) |  |  | (204,652) |
Unfunded status of the supplemental retirement plans | 13,901 |  |  | 13,901 |
Tax effect | (4,110) |  |  | (4,110) |
Unfunded status of the supplemental retirement plans, net of tax | 9,791 |  |  | 9,791 |
Joint beneficiary agreement liability | 956 |  |  | 956 |
Tax effect | — |  |  | — |
Joint beneficiary agreement liability, net of tax | 956 |  |  | 956 |
Accumulated other comprehensive loss | $ | (225,416) |  |  | $ | (193,905) |

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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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