v3.24.3
Note 13 - Pension and Postretirement Benefits (Details Textual)
Sep. 30, 2024
Dec. 31, 2023
Equity Securities [Member]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 40.00% 40.00%
Debt Securities [Member]    
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 60.00% 60.00%