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Note 16 - Accumulated Other Comprehensive Income (Loss) (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
   

Net unrealized

   

Net unrealized

   

Minimum

         
   

gains (losses)

   

gains (losses)

   

pension

         
   

on available for

   

on cash

   

liability

         

(in thousands)

 

sale debt securities

   

flow hedges

   

adjustment

   

Total

 

Three months ended September 30, 2025

                               

Balance, beginning of period

  $ (74,168 )   $ (1,260 )   $ 117     $ (75,311 )

Net current period other comprehensive income (loss)

    7,896       (207 )     -       7,689  

Balance, end of period

  $ (66,272 )   $ (1,467 )   $ 117     $ (67,622 )
                                 

Three months ended September 30, 2024

                               

Balance, beginning of period

  $ (97,760 )   $ 2,721     $ 59     $ (94,980 )

Net current period other comprehensive income (loss)

    24,827       (5,120 )     -       19,707  

Balance, end of period

  $ (72,933 )   $ (2,399 )   $ 59     $ (75,273 )
   

Net unrealized

   

Net unrealized

   

Minimum

         
   

gains (losses)

   

gains (losses)

   

pension

         
   

on available for

   

on cash

   

liability

         

(in thousands)

 

sale debt securities

   

flow hedges

   

adjustment

   

Total

 

Nine months ended September 30, 2025

                               

Balance, beginning of period

  $ (94,190 )   $ 2,922     $ 117     $ (91,151 )

Net current period other comprehensive income (loss)

    27,918       (4,389 )     -       23,529  

Balance, end of period

  $ (66,272 )   $ (1,467 )   $ 117     $ (67,622 )
                                 

Nine months ended September 30, 2024

                               

Balance, beginning of period

  $ (92,678 )   $ (179 )   $ 59     $ (92,798 )

Net current period other comprehensive income (loss)

    19,745       (2,220 )     -       17,525  

Balance, end of period

  $ (72,933 )   $ (2,399 )   $ 59     $ (75,273 )