Note 8 - Accrued Retirement Benefits - Accrued Retirement Benefits (Details) - USD ($) $ in Thousands |
Jun. 30, 2021 |
Dec. 31, 2020 |
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Defined benefit pension plan | $ 10,256 | $ 11,091 |
Less current portion | (165) | (165) |
Non-current portion of accrued retirement benefits | 10,091 | 10,926 |
Pension Plan [Member] | Qualified Plan [Member] | ||
Defined benefit pension plan | 7,987 | 8,790 |
Supplemental Employee Retirement Plan [Member] | Nonqualified Plan [Member] | ||
Defined benefit pension plan | $ 2,269 | $ 2,301 |
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- 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/2003/role/disclosureRef
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- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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/2003/role/disclosureRef
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- Details
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- Details
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- Details
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- Details
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