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Note 20 - Changes in Accumulated Other Comprehensive Income (Loss) by Component | 12 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] | 20. Changes in Accumulated Other Comprehensive Income (Loss) by Component Changes to accumulated other comprehensive income (loss) by component for the year ended December 31, 2022 is as follows:
|  | Unrealized |  |  |  |  |  |  |  |  |
|  | Net Gain (Loss) |  |  | Retiree |  |  |  |  |
|  | on Interest |  |  | Health |  |  |  |  |
|  | Rate |  |  | Benefit |  |  |  |  |
|  | Swap |  |  | Obligation |  |  | Total |
Balance at December 31, 2021 |  | $ | (3,524 | ) |  | $ | 2,471 |  |  | $ | (1,053 | )
Other comprehensive gain before reclassifications |  |  | 8,587 |  |  |  | 838 |  |  |  | 9,425 |
Amounts reclassified from accumulated other comprehensive income (loss): (1) |  |  | 1,052 |  |  |  | (296 | ) |  |  | 756 |
Balance at December 31, 2022 |  | $ | 6,115 |  |  | $ | 3,013 |  |  | $ | 9,128 |
(1) Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Other Postretirement Benefit items: |  |  |  |  |  |  |  |  |  |  |  |
Actuarial gains (a) |  | $ | (400 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 104 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (296 | ) |  |  |  |  |  |  |  |
Realized losses on interest rate swaps reclassified to interest expense |  | $ | 1,421 |  |  |  |  |  |  |  |  |
Tax expense |  |  | (369 | ) |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | 1,052 |  |  |  |  |  |  |  |  |
(a) – These components are included in the computation of benefit plan costs in Note 13. Changes to accumulated other comprehensive income (loss) by component for the year ended December 31, 2021 is as follows:
|  | Unrealized |  |  |  |  |  |  |  |  |
|  | Net Loss |  |  | Retiree |  |  |  |  |
|  | on Interest |  |  | Health |  |  |  |  |
|  | Rate |  |  | Benefit |  |  |  |  |
|  | Swap |  |  | Obligation |  |  | Total |
Balance at December 31, 2020 |  | $ | (7,608 | ) |  | $ | 2,113 |  |  | $ | (5,495 | )
Other comprehensive gain before reclassifications |  |  | 943 |  |  |  | 589 |  |  |  | 1,532 |
Amounts reclassified from accumulated other comprehensive income (loss): (1) |  |  | 3,141 |  |  |  | (231 | ) |  |  | 2,910 |
Balance at December 31, 2021 |  | $ | (3,524 | ) |  | $ | 2,471 |  |  | $ | (1,053 | )
(1) Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Other Postretirement Benefit items: |  |  |  |  |  |  |  |  |  |  |  |
Actuarial gain (a) |  | $ | (312 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 81 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (231 | ) |  |  |  |  |  |  |  |
Realized losses on interest rate swaps reclassified to interest expense |  | $ | 4,244 |  |  |  |  |  |  |  |  |
Tax expense |  |  | (1,103 | ) |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | 3,141 |  |  |  |  |  |  |  |  |
(a) – These components are included in the computation of benefit plan costs in Note 13.

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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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