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Note 19 - Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Derivatives Hedging Instruments $ 0 $ 0 $ 0 $ 0  
Fair Value, Inputs, Level 2 [Member]          
Long-Term Debt, Fair Value 290,000   290,000   $ 271,000
Forward Contracts [Member]          
Foreign Currency Contract, Asset, Fair Value Disclosure 0   0   1,000
Foreign Currency Contracts, Liability, Fair Value Disclosure 6,000   6,000   1,000
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]          
Derivative Asset, Notional Amount $ 286,000   $ 286,000   $ 308,000