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Note 8 - Fair Values of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
  Estimated  Quoted Prices in Active Markets for Identical Assets  Significant Other Observable Inputs  Significant Unobservable Inputs 
  

Fair Value

  

(Level 1)

  

(Level 2)

  

(Level 3)

 

March 31, 2024

                

Assets:

                

Obligations of the U.S. Treasury and U.S. government agencies and corporations

 $18,649  $  $18,649  $ 

Obligations of state and political subdivisions

  15,850      11,376   4,474 

Corporate bonds

  26,311      25,842   469 

Residential mortgage-backed securities

  225,861      225,861    

Commercial mortgage-backed securities

  66,669      66,669    

Equity securities at fair value

  2,260   2,260       

Interest rate swaps - gross assets

  18,959      18,959    

Total assets

 $374,559  $2,260  $367,356  $4,943 

Liabilities:

                

Interest rate swaps - gross liabilities

 $18,959  $  $18,959  $ 
                 

December 31, 2023

                

Assets:

                

Obligations of the U.S. Treasury and U.S. government agencies and corporations

 $20,043  $  $20,043  $ 

Obligations of state and political subdivisions

  16,703      11,453   5,250 

Corporate bonds

  26,356      25,893   463 

Residential mortgage-backed securities

  232,045      232,045    

Commercial mortgage-backed securities

  66,771      66,771    

Equity securities at fair value

  1,180   1,180       

Interest rate swaps - gross assets

  17,325      17,325    

Total assets

 $380,423  $1,180  $373,530  $5,713 

Liabilities:

                

Interest rate swaps - gross liabilities

 $17,325  $  $17,325  $ 

 

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
  

Obligations of State and Political Subdivisions

  

Corporate Bonds

 

Balance at December 31, 2023

 $5,250  $463 

Realized gain (loss) included in earnings

      

Unrealized (loss) gain included in other comprehensive loss

  (749)  6 

Purchases

      

Sales

      

Maturities, prepayments, and calls

  (27)   

Transfers into level 3

      

Transfers out of level 3

      

Balance at March 31, 2024

 $4,474  $469 
  

Obligations of State and Political Subdivisions

  

Corporate Bonds

 

Balance at December 31, 2022

 $5,965  $479 

Realized gain (loss) included in earnings

      

Unrealized loss included in other comprehensive income

  (667)  (11)

Purchases

      

Sales

      

Maturities, prepayments, and calls

  (26)   

Transfers into level 3

      

Transfers out of level 3

      

Balance at March 31, 2023

 $5,272  $468 
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
  

Estimated Fair Value

  

Valuation Technique

 

Unobservable Inputs

 

Range of Discounts

March 31, 2024

          

Obligations of state and political subdivisions

 $4,474  

Option-adjusted discounted cash flow model; present value of expected future cash flow model

 

Bond appraisal adjustment(1)

 

0% - 5%

Corporate bonds

  469  

Option-adjusted discounted cash flow model; present value of expected future cash flow model

 

Bond appraisal adjustment(1)

 

6%

           

December 31, 2023

          

Obligations of state and political subdivisions

 $5,250  

Option-adjusted discounted cash flow model; present value of expected future cash flow model

 

Bond appraisal adjustment(1)

 

0% - 11%

Corporate bonds

  463  

Option-adjusted discounted cash flow model; present value of expected future cash flow model

 

Bond appraisal adjustment(1)

 

8%

  

Estimated Fair Value

  

Valuation Technique

 

Unobservable Inputs

 

Range of Discounts

 

Weighted Average Discount(3)

March 31, 2024

            

Loans individually evaluated for impairment(1)

 $1,141  

Discounted cash flows; underlying collateral value

 

Collateral discounts and estimated costs to sell

 

0% - 100%

 

19%

Other real estate owned(2)

  1,035  

Underlying collateral value, third party appraisals

 

Collateral discounts and discount rates

 

18% - 19%

 

18%

             

December 31, 2023

            

Loans individually evaluated for impairment(1)

 $1,293  

Discounted cash flows; underlying collateral value

 

Collateral discounts and estimated costs to sell

 

6% - 100%

 

29%

Fair Value, by Balance Sheet Grouping [Table Text Block]
  

March 31, 2024

 
  

Carrying Amount

  

Estimated Fair Value

  

Level 1

  

Level 2

  

Level 3

 

Financial assets:

                    

Cash and cash equivalents

 $41,845  $41,845  $41,845  $  $ 

Investment securities - AFS

  353,340   353,340      348,397   4,943 

Investment securities - HTM

  17,755   18,148      2,044   16,104 

Equity securities at fair value

  2,260   2,260   2,260       

Nonmarketable equity securities

  12,723   12,723      12,723    

Loans, net of allowance

  2,151,464   1,994,035         1,994,035 

Interest rate swaps - gross assets

  18,959   18,959      18,959    
                     

Financial liabilities:

                    

Deposits, noninterest-bearing

 $435,397  $435,397  $  $435,397  $ 

Deposits, interest-bearing

  1,772,431   1,693,579         1,693,579 

Borrowings under BTFP and repurchase agreements

  236,850   236,002      236,002    

FHLB long-term advances

  23,500   23,108         23,108 

Junior subordinated debt

  8,657   8,657         8,657 

Subordinated debt

  44,000   42,156      42,156    

Interest rate swaps - gross liabilities

  18,959   18,959      18,959    
  

December 31, 2023

 
  

Carrying Amount

  

Estimated Fair Value

  

Level 1

  

Level 2

  

Level 3

 

Financial assets:

                    

Cash and cash equivalents

 $32,009  $32,009  $32,009  $  $ 

Investment securities - AFS

  361,918   361,918      356,205   5,713 

Investment securities - HTM

  20,472   20,513      2,118   18,395 

Equity securities at fair value

  1,180   1,180   1,180       

Nonmarketable equity securities

  13,417   13,417      13,417    

Loans, net of allowance

  2,180,079   2,020,924         2,020,924 

Interest rate swaps - gross assets

  17,325   17,325      17,325    
                     

Financial liabilities:

                    

Deposits, noninterest-bearing

 $448,752  $448,752  $  $448,752  $ 

Deposits, interest-bearing

  1,806,975   1,735,562         1,735,562 

Borrowings under BTFP and repurchase agreements

  221,133   221,133      221,133    

FHLB long-term advances

  23,500   22,945         22,945 

Junior subordinated debt

  8,630   8,630         8,630 

Subordinated debt

  45,000   44,544      44,544    

Interest rate swaps - gross liabilities

  17,325   17,325      17,325