Quarterly report [Sections 13 or 15(d)]

Note 4 - Securities (Tables)

v3.26.1
Note 4 - Securities (Tables)
3 Months Ended
Mar. 31, 2026
Notes Tables  
Unrealized Gain (Loss) on Investments [Table Text Block]
           

Gross

   

Gross

         
   

Amortized

   

Unrealized

   

Unrealized

   

Fair

 
   

Cost

   

Gain

   

Loss

   

Value

 

March 31, 2026

  (In Thousands)  

Debt Securities Available-for-Sale

                               

U.S. Treasury securities

  $ 470,349     $ 1,344     $ -     $ 471,693  

Mortgage-backed securities

    123,874       412       (1,126 )     123,160  

State and municipal securities

    10,360       1       (539 )     9,822  

Corporate debt

    438,123       2,949       (8,596 )     432,476  

Total

  $ 1,042,706     $ 4,706     $ (10,261 )   $ 1,037,151  

Debt Securities Held-to-Maturity

                               

U.S. Treasury securities

  $ 249,675     $ -     $ (9,420 )   $ 240,255  

Mortgage-backed securities

    389,231       474       (35,555 )     354,150  

State and municipal securities

    8,364       -       (293 )     8,071  

Total

  $ 647,270     $ 474     $ (45,268 )   $ 602,476  
                                 

December 31, 2025

                               

Debt Securities Available-for-Sale

                               

U.S. Treasury securities

  $ 520,100     $ 2,823     $ -     $ 522,923  

Mortgage-backed securities

    133,126       1,030       (852 )     133,304  

State and municipal securities

    10,362       1       (554 )     9,809  

Corporate debt

    409,725       2,274       (9,210 )     402,789  

Total

  $ 1,073,313     $ 6,128     $ (10,616 )   $ 1,068,825  

Debt Securities Held-to-Maturity

                               

U.S. Treasury securities

  $ 249,621     $ -     $ (9,589 )   $ 240,032  

Mortgage-backed securities

    402,097       743       (34,395 )     368,445  

State and municipal securities

    8,358       -       (300 )     8,058  

Total

  $ 660,076     $ 743     $ (44,284 )   $ 616,535  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
   

March 31, 2026

   

December 31, 2025

 
   

Amortized Cost

   

Market Value

   

Amortized Cost

   

Market Value

 
   

(In Thousands)

 

Debt securities available-for-sale

                               

Due within one year

  $ 472,351     $ 473,663     $ 441,619     $ 443,833  

Due from one to five years

    73,035       72,383       147,475       147,058  

Due from five to ten years

    373,446       367,945       332,436       325,957  

Due after ten years

    -       -       18,657       18,673  

Mortgage-backed securities

    123,874       123,160       133,126       133,304  
    $ 1,042,706     $ 1,037,151     $ 1,073,313     $ 1,068,825  
                                 

Debt securities held-to-maturity

                               

Due within one year

  $ 128,763     $ 126,586     $ 53,787     $ 52,811  

Due from one to five years

    129,276       121,740       204,192       195,279  

Mortgage-backed securities

    389,231       354,150       402,097       368,445  
    $ 647,270     $ 602,476     $ 660,076     $ 616,535  
Gain (Loss) on Securities [Table Text Block]
   

Less Than Twelve Months

   

Twelve Months or More

   

Total

 
   

Gross

           

Gross

           

Gross

         
   

Unrealized

           

Unrealized

           

Unrealized

         
   

Losses

   

Fair Value

   

Losses

   

Fair Value

   

Losses

   

Fair Value

 
   

(In Thousands)

 

March 31, 2026

                                               

Debt Securities available-for-sale

                                               

Mortgage-backed securities

  $ (267 )   $ 44,592     $ (859 )   $ 20,018     $ (1,126 )   $ 64,610  

State and municipal securities

    -       -       (539 )     9,376       (539 )     9,376  

Corporate debt

    (1,441 )     132,424       (7,155 )     140,337       (8,596 )     272,761  

Total

  $ (1,708 )   $ 177,016     $ (8,553 )   $ 169,731     $ (10,261 )   $ 346,747  

Debt Securities held-to-maturity

                                               

U.S. Treasury securities

  $ -     $ -     $ (9,420 )   $ 240,255     $ (9,420 )   $ 240,255  

Mortgage-backed securities

    (8 )     2,382       (35,547 )     312,274       (35,555 )     314,656  

State and municipal securities

    -       -       (293 )     7,571       (293 )     7,571  

Total

  $ (8 )   $ 2,382     $ (45,260 )   $ 560,100     $ (45,268 )   $ 562,482  

December 31, 2025

                                               

Debt Securities available-for-sale

                                               

Mortgage-backed securities

  $ -     $ -     $ (852 )   $ 22,662     $ (852 )   $ 22,662  

State and municipal securities

    -       -       (554 )     9,363       (554 )     9,363  

Corporate debt

    (984 )     77,583       (8,226 )     155,724       (9,210 )     233,307  

Total

  $ (984 )   $ 77,583     $ (9,632 )   $ 187,749     $ (10,616 )   $ 265,332  

Debt Securities held-to-maturity

                                               

U.S. Treasury securities

  $ -     $ -     $ (9,589 )   $ 240,032     $ (9,589 )   $ 240,032  

Mortgage-backed securities

    -       -       (34,395 )     325,307       (34,395 )     325,307  

State and municipal securities

    (34 )     2,954       (266 )     4,604       (300 )     7,558  

Total

  $ (34 )   $ 2,954     $ (44,250 )   $ 569,943     $ (44,284 )   $ 572,897