Quarterly report [Sections 13 or 15(d)]

Note 18 - Stock-based Compensation Plans (Details Textual)

v3.25.3
Note 18 - Stock-based Compensation Plans (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Apr. 30, 2025
Share-Based Payment Arrangement, Expense, Tax Expense (Benefit) $ 0 $ (1,000)  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 0 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value $ 0 $ 1,000  
Proceeds from Stock Options Exercised 0 0  
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit 0 $ 0  
Share-Based Payment Arrangement, Option [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 0    
Performance Share Unit, Type 1 [Member]      
Share Based Compensation Arrangement by Share Based Payment Award, Performance Period (Year) 3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate 30.00% 31.80%  
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 4.30% 4.39%  
Restricted Stock Units (RSUs) [Member]      
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vested Not Issued (in shares) 175,238    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 38,868    
Performance Shares [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 186,825    
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares) 123,119    
Shares Issued, Value, Share-Based Payment Arrangement, Grant Date Fair Value (in dollars per share) $ 60.36    
Nonvested Shares [Member]      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 36,000    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 1 year 9 months 18 days    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 26,000 $ 24,000  
The 2025 Stock Incentive Plan [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)     4,650,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) 4,600,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years    
The 2025 Stock Incentive Plan [Member] | Share-Based Payment Arrangement, Option [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years