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Note 15 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Jan. 08, 2023
Feb. 24, 2022
Feb. 08, 2021
Mar. 31, 2023
Mar. 31, 2022
Share-Based Payment Arrangement, Expense       $ 7,363,000 $ 5,399,000
Share-Based Payment Arrangement, Option [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value       7,300,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value       $ 1,600,000 3,600,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)       0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)       2 years 8 months 12 days  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount       $ 0  
Restricted Stock [Member]          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount       46,100,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value       7,300,000 7,900,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value       7,300,000 5,000,000.0
Share-Based Payment Arrangement, Expense       $ 6,100,000 4,800,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       2 years 8 months 12 days  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       414,601  
Market-based Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)       268,738  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount       $ 8,200,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value     $ 1,300,000    
Share-Based Payment Arrangement, Expense       $ 1,300,000 605,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 6 months  
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Awards     100.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Historical Volatility Rate 78.00% 63.00% 68.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 0.00% 0.00% 0.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 4.40% 1.50% 0.10%    
Share Based Compensation Arrangement By Share Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Period (Year) 2 years 2 years 2 years    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Aggregate Fair Value       $ 6,500,000 6,700,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested       $ 666,000 $ 5,000,000.0
Market-based Restricted Stock [Member] | Minimum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Awards 0.00% 0.00%      
Market-based Restricted Stock [Member] | Maximum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Awards 200.00% 200.00%      
Market-based Restricted Stock [Member] | Executive Officer [Member]          
Share-Based Payment Arrangement, Expense $ 6,800,000 $ 6,700,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 268,738 240,428 30,616