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Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Components of Other Comprehensive Income (Loss) and Related Tax Effects | The components of other comprehensive income and related tax effects are as follows:
| Year Ended December 31,
(in thousands) | 2022 |  | 2021 |  | 2020
Unrealized holding gains (losses) on available for sale securities before reclassifications | $ | (290,157) |  |  | $ | (19,575) |  |  | $ | 15,803 |
Amounts reclassified out of accumulated other comprehensive income: |  |  |  |  |
Realized gains on debt securities | — |  |  | — |  |  | (7) |
Total amounts reclassified out of accumulated other comprehensive income | — |  |  | — |  |  | (7) |
Unrealized holding gains (losses) on available for sale securities after reclassifications | (290,157) |  |  | (19,575) |  |  | 15,796 |
Tax effect | 85,781 |  |  | 5,787 |  |  | (4,670) |
Unrealized holding gains (losses) on available for sale securities, net of tax | (204,376) |  |  | (13,788) |  |  | 11,126 |
Change in unfunded status of the supplemental retirement plans before reclassifications | 11,522 |  |  | 3,497 |  |  | 645 |
Amounts reclassified out of accumulated other comprehensive income: |  |  |  |  |
Amortization of prior service cost | (28) |  |  | (58) |  |  | (55) |
Amortization of actuarial losses | 8 |  |  | 254 |  |  | 9,309 |
Total amounts reclassified out of accumulated other comprehensive income | (20) |  |  | 196 |  |  | 9,254 |
Change in unfunded status of the supplemental retirement plans after reclassifications | 11,502 |  |  | 3,693 |  |  | 9,899 |
Tax effect | (3,401) |  |  | (1,091) |  |  | (2,927) |
Change in unfunded status of the supplemental retirement plans, net of tax | 8,101 |  |  | 2,602 |  |  | 6,972 |
Change in joint beneficiary agreement liability before reclassifications | 1,389 |  |  | (113) |  |  | (596) |
Tax effect | — |  |  | — |  |  | — |
Change in unfunded status of the supplemental retirement plans, net of tax | 1,389 |  |  | (113) |  |  | (596) |
Total other comprehensive income (loss) | $ | (194,886) |  |  | $ | (11,299) |  |  | $ | 17,502 |
Components of Accumulated Other Comprehensive Income (Loss) | The components of accumulated other comprehensive income (loss), included in shareholders’ equity, are as follows:
| Year Ended December 31,
(in thousands) | 2022 |  | 2021
Net unrealized loss on available for sale securities | $ | (290,549) |  |  | $ | (392) |
Tax effect | 85,897 |  |  | 116 |
Unrealized holding loss on available for sale securities, net of tax | (204,652) |  |  | (276) |
Unfunded status of the supplemental retirement plans | 13,901 |  |  | 2,399 |
Tax effect | (4,110) |  |  | (709) |
Unfunded status of the supplemental retirement plans, net of tax | 9,791 |  |  | 1,690 |
Joint beneficiary agreement liability, net of tax | 956 |  |  | (433) |
Accumulated other comprehensive income (loss) | $ | (193,905) |  |  | $ | 981 |

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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 https://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 https://asc.fasb.org/extlink&oid=126968391&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 https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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