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Note 9 - Pledged Collateral Related to Securities Sold Under Repurchase Agreements (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
   

2024

   

2023

 

Securities sold under agreements to repurchase:

               

U.S. government treasuries

  $ 23,808     $ 22,877  

U.S. government agencies

    44,792       44,960  

U.S. government mortgage-backed securities

    7,590       7,369  
                 

Total pledged collateral

  $ 76,190     $ 75,206