v3.22.2.2
Note 15 - Share-based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 0   $ 0  
Share-Based Payment Arrangement, Expense 2,627 $ 3,129 $ 7,243 $ 8,922
Share-Based Payment Arrangement, Option [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     4 years  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)     10 years  
Share-Based Payment Arrangement, Option [Member] | Exercisable on the First Anniversary Date Following the Date of Grant [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     25.00%  
Share-Based Payment Arrangement, Option [Member] | Exercisable on Semi-annual Basis [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     12.50%  
Performance Shares [Member]        
Share-Based Payment Arrangement, Expense $ 200 $ 400 $ 1,200 $ 400
Performance Shares [Member] | Minimum [Member]        
Sharebased Compensation Arrangement By Sharebased Payment Award Performance Award Value Percentage Of Based Amount 0.00%   0.00%  
Performance Shares [Member] | Maximum [Member]        
Sharebased Compensation Arrangement By Sharebased Payment Award Performance Award Value Percentage Of Based Amount 200.00%   200.00%  
Performance Shares [Member] | Vesting on the Third Anniversary [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage     100.00%  
Restricted Stock Awards and Restricted Stock Units [Member]        
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 16,100   $ 16,100  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 1 month 6 days