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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2023
Equity [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Loss | The following presents the changes in accumulated other comprehensive loss for the three months ended March 31, 2023 and 2022:
| Three Months Ended March 31,
| 2023 |  | 2022
(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 | $ | 1,334 |  |  | $ | (419) |  |  | $ | 915 |  |  | $ | (6,537) |  |  | $ | 13 |  |  | $ | (6,524) |
Other Comprehensive Income (Loss) Before Reclassifications, net of tax | — |  |  | 80 |  |  | 80 |  |  | — |  |  | (231) |  |  | (231) |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) | (26) |  | (1) | — |  |  | (26) |  |  | (190) |  | (1) | — |  |  | (190) |
Total Other Comprehensive Income (Loss) | (26) |  |  | 80 |  |  | 54 |  |  | (190) |  |  | (231) |  |  | (421) |
Balance, End of Period | $ | 1,308 |  |  | $ | (339) |  |  | $ | 969 |  |  | $ | (6,727) |  |  | $ | (218) |  |  | $ | (6,945) |
(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7. |  |  |  |  |  |

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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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