v3.26.1
Note 6 - Components of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Accumulated Other Comprehensive Loss [Line Items]    
Tax effect $ 12,012 $ 12,747
Accumulated other comprehensive loss, net of tax (43,788) (46,470)
Unrealized Net Holding Losses on Available-for-sale Securities [Member]    
Accumulated Other Comprehensive Loss [Line Items]    
Accumulated other comprehensive loss $ (55,800) $ (59,217)