v3.26.1
Note 16 - Components of Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ 156,409 $ 140,522
Net pension gain, net of tax (962) (2,638)
Balance 184,908 156,409
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (62,093) (62,556)
Unrealized holding gain on available for sale securities, net of tax 21,129 463
Net pension gain, net of tax 0 0
Balance (40,964) (62,093)
AOCI Attributable to Parent [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (61,765) (64,866)
Unrealized holding gain on available for sale securities, net of tax 21,129 463
Net pension gain, net of tax 962 2,638
Balance (39,674) (61,765)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance 328 (2,310)
Unrealized holding gain on available for sale securities, net of tax 0 0
Net pension gain, net of tax 962 2,638
Balance $ 1,290 $ 328