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Note 19 - Changes in Accumulated Other Comprehensive Income (Loss) by Component (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | 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 | ) |  |  |  |  |  |  |  |
|  | 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 Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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