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Note 19 - Changes in Accumulated Other Comprehensive Income by Component - Changes to Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Balance | $ 6,356 | $ 9,128
Other comprehensive gain before reclassifications | 386 | 2,238
Amounts reclassified from accumulated other comprehensive income (loss): (1) | (2,545) | (2,601)
Balance | 4,197 | 8,765
Actuarial gains | (162) | (216)
Tax expense | 42 | 56
Reclassification net of tax | (120) | (160)
Realized gains on interest rate swaps reclassified to interest expense | (3,277) | (3,298)
Tax expense | 852 | 857
Reclassification net of tax | (2,425) | (2,441)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |
Balance | 3,331 | 6,115
Other comprehensive gain before reclassifications | 386 | 2,238
Amounts reclassified from accumulated other comprehensive income (loss): (1) | (2,425) | (2,441)
Balance | 1,292 | 5,912
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |
Balance | 3,025 | 3,013
Other comprehensive gain before reclassifications | 0 | 0
Amounts reclassified from accumulated other comprehensive income (loss): (1) | (120) | (160)
Balance | $ 2,905 | $ 2,853

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