Quarterly report pursuant to Section 13 or 15(d)

Note 19 - Changes in Accumulated Other Comprehensive Income (Loss) by Component - Changes to Accumulated Other Comprehensive Income (Loss) by Component (Details)

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Note 19 - Changes in Accumulated Other Comprehensive Income (Loss) by Component - Changes to Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Balance $ 6,356 [1] $ 9,128
Other comprehensive gain before reclassifications 1,335 (871)
Amounts reclassified from accumulated other comprehensive income (loss): (1) (995) (718)
Balance 6,696 7,539
Actuarial gains (54) (72)
Tax expense 14 19
Reclassification net of tax (40) (53)
Realized gains on interest rate swaps reclassified to interest expense (1,290) (899)
Tax expense 335 234
Reclassification net of tax (955) (665)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]    
Balance 3,331 [1] 6,115
Other comprehensive gain before reclassifications 1,335 (871)
Amounts reclassified from accumulated other comprehensive income (loss): (1) (955) (665) [1]
Balance 3,711 4,579
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]    
Balance 3,025 [1] 3,013
Other comprehensive gain before reclassifications 0 0
Amounts reclassified from accumulated other comprehensive income (loss): (1) (40) (53)
Balance $ 2,985 $ 2,960
[1] These components are included in the computation of benefit plan costs in Note 12.