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Note 4 - Securities (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Debt Securities, Available-for-Sale [Table Text Block]
  

(Dollars in thousands)

 
      

Gross

  

Gross

  

Estimated

 
  

Cost

  

Unrealized

  

Unrealized

  

Fair

 
  

Basis

  

Gains

  

Losses

  

Value

 

June 30, 2024

                

U.S. government sponsored entities

 $8,884  $-  $(996) $7,888 

U.S. treasury securities

  -   -   -   - 

Collateralized mortgage obligations and residential mortgage-backed securities

  142,094   -   (27,313)  114,781 

Municipal securities

  263,866   -   (48,321)  215,545 

Collateralized debt obligations

  2,163   -   (792)  1,371 

Total securities available-for-sale

 $417,007  $-  $(77,422) $339,585 
  

(Dollars in thousands)

 
      

Gross

  

Gross

  

Estimated

 
  

Cost

  

Unrealized

  

Unrealized

  

Fair

 
  

Basis

  

Gains

  

Losses

  

Value

 

December 31, 2023

                

U.S. government sponsored entities

 $8,884  $-  $(1,001) $7,883 

U.S. treasury securities

  -   -   -   - 

Collateralized mortgage obligations and residential mortgage-backed securities

  149,410   -   (25,946)  123,464 

Municipal securities

  278,813   60   (40,203)  238,670 

Collateralized debt obligations

  2,170   -   (813)  1,357 

Total securities available-for-sale

 $439,277  $60  $(67,963) $371,374 
Investments Classified by Contractual Maturity Date [Table Text Block]
  

(Dollars in thousands)

 
  

Available-for-sale

 
      

Estimated

 
  

Cost

  

Fair

 

June 30, 2024

 

Basis

  

Value

 

Due in one year or less

 $250  $249 

Due from one to five years

  10,309   9,151 

Due from five to ten years

  21,812   19,283 

Due over ten years

  242,542   196,121 

Collateralized mortgage obligations and residential mortgage-backed securities

  142,094   114,781 

Total

 $417,007  $339,585 
Schedule of Realized Gain (Loss) [Table Text Block]
  

(Dollars in thousands)

 
  

June 30,

  

June 30,

 
  

2024

  

2023

 
         

Proceeds

 $-  $352 

Gross gains

  -   - 

Gross losses

  -   (48)
  

(Dollars in thousands)

 
  

June 30,

  

June 30,

 
  

2024

  

2023

 
         

Proceeds

 $14,697  $352 

Gross gains

  -   - 

Gross losses

  (531)  (48)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
  

(Dollars in thousands)

 
  

Unrealized
loss

 

Ending balance, March 31, 2023

 $(55,895)

Current period change

  (4,290)

Ending balance, June 30, 2023

 $(60,185)
  

(Dollars in thousands)

 
  

Unrealized
loss

 

Ending balance, March 31, 2024

 $(56,313)

Current period change

  (2,626)

Ending balance, June 30, 2024

 $(58,939)
  

(Dollars in thousands)

 
  

Unrealized
gain/(loss)

 

Ending balance, December 31, 2022

 $(64,300)

Current period change

  4,115 

Ending balance, June 30, 2023

 $(60,185)
  

(Dollars in thousands)

 
  

Unrealized
loss

 

Ending balance, December 31, 2023

 $(51,613)

Current period change

  (7,326)

Ending balance, June 30, 2024

 $(58,939)
Unrealized Gain (Loss) on Investments [Table Text Block]
  

(Dollars in thousands)

     
  

Less than 12 months

  

12 months or longer

  

Total

     
  

Estimated

      

Estimated

      

Estimated

      

Percentage of

 
  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Total Portfolio

 
  

Value

  

Losses

  

Value

  

Losses

  

Value

  

Losses

  

in Loss Position

 

June 30, 2024

                            

U.S. government sponsored entities

 $-  $-  $7,888  $(996) $7,888  $(996)  100.0%

Collateralized mortgage obligations and residential mortgage-backed securities

  -   -   114,781   (27,313)  114,781   (27,313)  100.0%

Municipal securities

  -   -   215,545   (48,321)  215,545   (48,321)  100.0%

Collateralized debt obligations

  -   -   1,371   (792)  1,371   (792)  100.0%

Total temporarily impaired

 $-  $-  $339,585  $(77,422) $339,585  $(77,422)  100.0%

Number of securities

      -       418       418     
  

(Dollars in thousands)

     
  

Less than 12 months

  

12 months or longer

  

Total

     
  

Estimated

      

Estimated

      

Estimated

      

Percentage of

 
  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Fair

  

Unrealized

  

Total Portfolio

 
  

Value

  

Losses

  

Value

  

Losses

  

Value

  

Losses

  

in Loss Position

 

December 31, 2023

                            

U.S. government sponsored entities

 $-  $-  $7,883  $(1,001) $7,883  $(1,001)  100.0%

Collateralized mortgage obligations and residential mortgage-backed securities

  -   -   123,464   (25,946)  123,464   (25,946)  100.0%

Municipal securities

  -   -   229,595   (40,203)  229,595   (40,203)  96.2%

Collateralized debt obligations

  -   -   1,357   (813)  1,357   (813)  100.0%

Total temporarily impaired

 $-  $-  $362,299  $(67,963) $362,299  $(67,963)  97.6%

Number of securities

      -       434       434