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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income (Loss) The Company's other comprehensive income consists of unamortized actuarial losses and prior service costs related to pension and other postretirement benefits and unrealized gains and losses on marketable securities classified as available-for-sale. The income tax expense or benefit associated with amounts reclassified from accumulated other comprehensive income (loss) and reflected in the consolidated statement of income are recognized in the same period as the amounts are reclassified. 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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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI https://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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