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Note 16 - Off-balance Sheet Activities (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
   

December 31,

 
   

2021

   

2020

 

Commitments to extend credit

  $ 654,436     $ 503,272  

Standby letters of credit

    10,201       17,355  

Mortgage loan rate lock commitments

    10,891       26,883