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Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Expense $ 1,153 $ 942
Deferred tax benefit (244) (197)
Total net expense 909 745
Stock Appreciation Rights (SARs) [Member]    
Expense 103 69
Deferred tax benefit (22) (14)
Total net expense 81 55
Restricted Stock [Member]    
Expense 450 420
Deferred tax benefit (95) (88)
Total net expense 355 332
Restricted Stock Units (RSUs) [Member]    
Expense 131 124
Deferred tax benefit (28) (26)
Total net expense 103 98
Performance Shares [Member]    
Expense 469 329
Deferred tax benefit (99) (69)
Total net expense $ 370 $ 260