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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) | The following table shows the changes in accumulated other comprehensive Income (loss) for the years ended December 31, 2022, 2021 and 2020:
(in thousands) | Pension and Other Postretirement Benefits |  | Net Unrealized Gain (Losses) on Available-for-Sale Securities |  | Total
Balance, December 31, 2019 | $ | (6,491) |  |  | $ | 54 |  |  | $ | (6,437) |
Other Comprehensive Income Before Reclassifications, net of tax | 418 |  |  | 145 |  |  | 563 |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | (2,643) |  | (1) | 10 |  | (2) | (2,633) |
Total Other Comprehensive Income (Loss) | (2,225) |  |  | 155 |  |  | (2,070) |
Balance, December 31, 2020 | (8,716) |  |  | 209 |  |  | (8,507) |
Other Comprehensive Income (Loss) Before Reclassifications, net of tax | 1,638 |  |  | (132) |  |  | 1,506 |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | 541 |  | (1) | (64) |  | (2) | 477 |
Total Other Comprehensive Income (Loss) | 2,179 |  |  | (196) |  |  | 1,983 |
Balance, December 31, 2021 | (6,537) |  |  | 13 |  |  | (6,524) |
Other Comprehensive Income (Loss) Before Reclassifications, net of tax | 7,331 |  |  | (433) |  |  | 6,898 |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | 540 |  | (1) | 1 |  | (2) | 541 |
Total Other Comprehensive Income (Loss) | 7,871 |  |  | (432) |  |  | 7,439 |
Balance, December 31, 2022 | $ | 1,334 |  |  | $ | (419) |  |  | $ | 915 |
(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 10 for further information.
(2) Included in other income (expense), net on the accompanying consolidated statements of income.

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