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Note 14 - Litigation, Commitments, and Contingencies (Tables)
3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
   
March 31, 2018
   
December 31, 2017
 
(Amounts in thousands)
 
 
 
 
 
 
 
 
Commitments to extend credit
  $
230,601
    $
243,147
 
Standby letters of credit and financial guarantees
(1)
   
135,493
     
131,587
 
Total off-balance sheet risk
   
366,094
     
374,734
 
                 
Reserve for unfunded commitments
  $
66
    $
66