Note 6 - Employee Benefit Plans - Amounts Recognized in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Liabilities, Current [Abstract] | ||
| Accrued benefit asset | $ 22,369 | $ 19,879 |
| Accrued current benefit liability | 0 | (1,556) |
| Accrued benefit liability | (22,455) | (1,993) |
| Accumulated other comprehensive loss | 3,870 | 19,489 |
| Net amount recognized | $ 3,784 | $ 35,819 |
| X | ||||||||||
- Definition Amount of asset (liability), recognized in statement of financial position, including accumulated other comprehensive income before tax, for defined benefit pension and other postretirement plans. No definition available.
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| X | ||||||||||
- Definition Pension and other postretirement defined benefit plans non current asset No definition available.
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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