v3.25.2
Note 7 - Employee Benefit Plans (Details Textual) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Pension Plan [Member]      
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 500 $ 0  
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year 500    
Supplemental Employee Retirement Plan [Member]      
Defined Benefit Plan, Plan Assets, Contributions by Employer 600 $ 800  
Defined Benefit Plan, Expected Future Employer Contributions, Remainder of Fiscal Year 600    
Defined Benefit Plan, Benefit Obligation $ 15,000   $ 16,300