Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Interest Rate Swap [Member] | ||||
| Adjustment for hedged derivative, tax | $ (184) | $ (85) | $ (244) | $ (261) |
| Adjustment for hedged derivative, tax | 184 | 85 | 244 | 261 |
| Steel Hedging Instrument [Member] | ||||
| Adjustment for hedged derivative, tax | 0 | (12) | 13 | (34) |
| Adjustment for hedged derivative, tax | (0) | 12 | (13) | 34 |
| Adjustment for pension and postretirement benefit liability, tax | $ 11 | $ 4 | $ 22 | $ 8 |
| X | ||||||||||
- Definition Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan, attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
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