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Note 10 - Derivative Financial Instruments (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Derivative, Notional Amount  
Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing 0  
Interest Rate Swap [Member]    
Derivative, Notional Amount $ 200,000  
Derivative, Average Fixed Interest Rate 1.27%  
Foreign Exchange Forward [Member]    
Outstanding Forward Contracts, Net Unrealized Gain (Loss) $ 100 $ (1,000)