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Note 19 - Changes in Accumulated Other Comprehensive Income by Component (Tables) | 3 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized |  |  | Unrealized |  |  |  |  |  |  |  |  |
|  | Net Gain (Loss) |  |  | Net Loss |  |  | Retiree |  |  |  |  |
|  | on Interest |  |  | on Steel |  |  | Health |  |  |  |  |
|  | Rate |  |  | Hedging |  |  | Benefit |  |  |  |  |
|  | Swap |  |  | Swap |  |  | Obligation |  |  | Total |
Balance at December 31, 2024 |  | $ | 1,836 |  |  | $ | (40 | ) |  | $ | 3,676 |  |  | $ | 5,472 |
Other comprehensive gain (loss) before reclassifications |  |  | (127 | ) |  |  | 61 |  |  |  | — |  |  |  | (66 | )
Amounts reclassified from accumulated other comprehensive income: (1) |  |  | (373 | ) |  |  | — |  |  |  | (12 | ) |  |  | (385 | )
Balance at March 31, 2025 |  | $ | 1,336 |  |  | $ | 21 |  |  | $ | 3,664 |  |  | $ | 5,021 |
(1) Amounts reclassified from accumulated other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of Other Postretirement Benefit items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Actuarial gains |  | $ | (16 | ) |  |  |  |  |  |  |  |  |  |  |  |
Tax expense |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (12 | ) |  |  |  |  |  |  |  |  |  |  |  |
Realized gains on interest rate swaps reclassified to interest expense |  | $ | (504 | ) |  |  |  |  |  |  |  |  |  |  |  |
Tax expense |  |  | 131 |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassification net of tax |  | $ | (373 | ) |  |  |  |  |  |  |  |  |  |  |  |
|  | 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 | ) |  |  |  |  |  |  |  |

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