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Note 18 - Derivatives (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Derivative Instruments [Table Text Block]
   
December 31, 2019
   
December 31, 2018
 
   
Notional
   
Fair Value
   
Notional
   
Fair Value
 
   
Amount
   
Asset
   
Liability
   
Amount
   
Asset
   
Liability
 
   
(In Thousands)
 
Interest rate lock commitments
  $
48,303
    $
554
    $
-
    $
18,745
    $
-
    $
-
 
Forward TBA mortgage-backed securities
   
67,000
     
-
     
201
     
16,000
     
-
     
-