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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2022
Equity [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Loss | The following shows the changes in accumulated other comprehensive loss for the three and nine months ended September 30, 2022 and 2021:
| Three Months Ended September 30,
| 2022 |  | 2021
(in thousands) | Pension and Other Postretirement Benefits |  | Net Unrealized Gains (Losses) on Available-for-Sale Securities |  | Total |  | Pension and Other Postretirement Benefits |  | Net Unrealized Gains (Losses) on Available-for-Sale Securities |  | Total
Balance, Beginning of Period | $ | (6,621) |  |  | $ | (292) |  |  | $ | (6,913) |  |  | $ | (8,425) |  |  | $ | 134 |  |  | $ | (8,291) |
Other Comprehensive Loss Before Reclassifications, net of tax | — |  |  | (172) |  |  | (172) |  |  | — |  |  | (26) |  |  | (26) |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | 106 |  | (1) | 1 |  | (2) | 107 |  |  | 146 |  | (1) | — |  | (2) | 146 |
Total Other Comprehensive Income (Loss) | 106 |  |  | (171) |  |  | (65) |  |  | 146 |  |  | (26) |  |  | 120 |
Balance, End of Period | $ | (6,515) |  |  | $ | (463) |  |  | $ | (6,978) |  |  | $ | (8,279) |  |  | $ | 108 |  |  | $ | (8,171) |
| Nine Months Ended September 30,
| 2022 |  | 2021
(in thousands) | Pension and Other Postretirement Benefits |  | Net Unrealized Gains (Losses) on Available-for-Sale Securities |  | Total |  | Pension and Other Postretirement Benefits |  | Net Unrealized Gains (Losses) on Available-for-Sale Securities |  | Total
Balance, Beginning of Period | $ | (6,537) |  |  | $ | 13 |  |  | $ | (6,524) |  |  | $ | (8,716) |  |  | $ | 209 |  |  | $ | (8,507) |
Other Comprehensive Loss Before Reclassifications, net of tax | — |  |  | (477) |  |  | (477) |  |  | — |  |  | (58) |  |  | (58) |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | 22 |  | (1) | 1 |  | (2) | 23 |  |  | 437 |  | (1) | (43) |  | (2) | 394 |
Total Other Comprehensive Income (Loss) | 22 |  |  | (476) |  |  | (454) |  |  | 437 |  |  | (101) |  |  | 336 |
Balance, End of Period | $ | (6,515) |  |  | $ | (463) |  |  | $ | (6,978) |  |  | $ | (8,279) |  |  | $ | 108 |  |  | $ | (8,171) |
(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7. |  |  |  |  |  |
(2) Included in other income (expense), net on the accompanying consolidated statements of income. |  |  |  |  |  |

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