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Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Interest Rate Swap [Member] |  |  |  |
Adjustment for hedged derivative, tax | $ 85 | $ 146 | $ 261 | $ 13
Steel Hedging Instrument [Member] |  |  |  |
Adjustment for hedged derivative, tax | (12) |  |  |
Adjustment for pension and postretirement benefit liability, tax | $ 4 | $ 14 | 8 | $ 28
Adjustment for hedged derivative, tax |  |  | $ (34) |

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