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Note 19 - Changes in Accumulated Other Comprehensive Income (Loss) by Component | 3 Months Ended
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Mar. 31, 2024
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] |
19. | Changes in Accumulated Other Comprehensive Income (Loss) by Component
​ Changes to accumulated other comprehensive income (loss) by component for the three months ended March 31, 2024 are as follows:
|  | Unrealized |  |  |  |  |  |  |  |  |
|  | Net Gain (Loss) |  |  | Retiree |  |  |  |  |
|  | on Interest |  |  | Health |  |  |  |  |
|  | Rate |  |  | Benefit |  |  |  |  |
|  | Swap |  |  | Obligation |  |  | Total |
Balance at December 31, 2023 |  | $ | 3,331 |  |  | $ | 3,025 |  |  | $ | 6,356 |
Other comprehensive gain before reclassifications |  |  | 1,335 |  |  |  | — |  |  |  | 1,335 |
Amounts reclassified from accumulated other comprehensive income (loss): (1) |  |  | (955 | ) |  |  | (40 | ) |  |  | (995 | )
Balance at March 31, 2024 |  | $ | 3,711 |  |  | $ | 2,985 |  |  | $ | 6,696 |
(1) Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Other Postretirement Benefit items: |  |  |  |  |  |  |  |  |  |  |  |
Actuarial gains |  | $ | (54 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 14 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (40 | ) |  |  |  |  |  |  |  |
Realized gains on interest rate swaps reclassified to interest expense |  | $ | (1,290 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 335 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (955 | ) |  |  |  |  |  |  |  |
​ Changes to accumulated other comprehensive income (loss) by component for the three months ended March 31, 2023, are as follows:​ ​
|  | Unrealized |  |  |  |  |  |  |  |  |
|  | Net Gain (Loss) |  |  | Retiree |  |  |  |  |
|  | on Interest |  |  | Health |  |  |  |  |
|  | Rate |  |  | Benefit |  |  |  |  |
|  | Swap |  |  | Obligation |  |  | Total |
Balance at December 31, 2022 |  | $ | 6,115 |  |  | $ | 3,013 |  |  | $ | 9,128 |
Other comprehensive loss before reclassifications |  |  | (871 | ) |  |  | — |  |  |  | (871 | )
Amounts reclassified from accumulated other comprehensive income (loss): (1) |  |  | (665 | ) |  |  | (53 | ) |  |  | (718 | )
Balance at March 31, 2023 |  | $ | 4,579 |  |  | $ | 2,960 |  |  | $ | 7,539 |
(1) Amounts reclassified from accumulated other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Other Postretirement Benefit items: |  |  |  |  |  |  |  |  |  |  |  |
Actuarial gains |  | $ | (72 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 19 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (53 | ) |  |  |  |  |  |  |  |
Realized gains on interest rate swaps reclassified to interest expense |  | $ | (899 | ) |  |  |  |  |  |  |  |
Tax expense |  |  | 234 |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (665 | ) |  |  |  |  |  |  |  |
​

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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://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/220/tableOfContent + Details
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