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Note 11 - Stock Compensation (Details Textual) - USD ($)
$ in Thousands, shares in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent $ 4,000 $ 6,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 22,000    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 7 months 6 days    
Cash Incentive Award Expense $ 37,000 $ 8,000 $ 23,000
Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) 0.8    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 3 years    
Performance Share Units [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) 0.1    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 3 years    
Stock Option and Stock Appreciation Rights [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 3 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value $ 0    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term (Year) 2 months 12 days    
Omnibus Incentive Plan 2021 [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 5.7