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Note 19 - Post-retirement Benefits - Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Actuarial gain (loss) on defined benefit plans | $ 7,440 | $ 22,345 | $ (9,356)
Plan curtailment / amendment credit recognized | 0 | 0 | 5,510
Amortization of prior service credit | (249) | (249) | 0
Pension Plan [Member] | UNITED KINGDOM |  |  |
Current service cost | (357) | (439) | (539)
Interest cost | (4,307) | (3,407) | (4,551)
Expected return on plan assets | 6,796 | 5,499 | 6,064
Plan curtailment / amendment events recognized in consolidated statements of operations | 0 | 0 | 2,269
Amortization of prior service credit | 249 | 249 | 0
Reclassified net remeasurement (loss) gains | 0 | 244 | (104)
Amounts included in consolidated statements of operations | 2,381 | 2,146 | 3,139
Actuarial gain (loss) on defined benefit plans | 7,440 | 22,345 | (9,356)
Plan curtailment / amendment credit recognized | 0 | 0 | 5,510
Amortization of prior service credit | (249) | (249) | 0
Reclassified net remeasurement (loss) gains | 0 | (244) | 104
Other comprehensive income (loss) | 7,191 | 21,852 | (3,742)
Total comprehensive income (loss) | $ 9,572 | $ 23,998 | $ (603)

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