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Note 9 - Pledged Collateral Related to Securities Sold Under Repurchase Agreements (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
  

2023

  

2022

 

Securities sold under agreements to repurchase:

        

U.S. government treasuries

 $18,862  $12,555 

U.S. government agencies

  46,741   39,226 

U.S. government mortgage-backed securities

  7,670   9,133 
         

Total pledged collateral

 $73,273  $60,914