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Note 4 - Premises and Equipment, Net (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
March 31,
   
December 31,
 
   
2020
   
2019
 
                 
Land and improvements
  $
17,171,000
    $
17,039,000
 
Buildings
   
54,634,000
     
52,847,000
 
Furniture and equipment
   
21,512,000
     
22,712,000
 
     
93,317,000
     
92,598,000
 
Less: accumulated depreciation
   
34,174,000
     
35,271,000
 
                 
Premises and equipment, net
  $
59,143,000
    $
57,327,000