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Note 20 - Stock-based Compensation - Nonvested PRSUs (Details) - Performance Restricted Stock Units [Member] - $ / shares
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Non-vested on the Closing Date (in shares) 340,071  
Non-vested on the Closing Date (in dollars per share) $ 32.38  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 354,275 354,275
Granted, weighted average grant date fair value (in dollars per share) $ 23.34  
Vested (in shares) (2,715)  
Vested, weighted average grant date fair value (in dollars per share) $ 29.72  
Non-vested (in shares) 691,631 691,631
Non-vested, weighted average grant date fair value (in dollars per share) $ 27.75 $ 27.75