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Note 9 - Pledged Collateral Related to Securities Sold Under Repurchase Agreements (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]
  

2021

  

2020

 

Securities sold under agreements to repurchase:

        

U.S. government treasuries

 $2,049  $2,069 

U.S. government agencies

  36,612   39,362 

U.S. government mortgage-backed securities

  12,686   14,320 
         

Total pledged collateral

 $51,347  $55,751