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Note 7 - Mortgage Loans Held for Sale (Tables)
 12 Months Ended
Oct. 31, 2017
Notes Tables  
Allowance for Credit Losses on Financing Receivables [Table Text Block]
   
Year Ended
  
   
October 31,
  
(In thousands)
  
2017
    
2016
  
                 
Loan origination reserves, beginning of period
   $
8,137
     $
8,025
  
Provisions for losses during the period
    
165
      
261
  
Adjustments to pre-existing provisions for losses from changes in estimates
    
(4,571
 )    
48
  
Payments/settlements
    
(573
 )    
(197
)
Loan origination reserves, end of period
   $
3,158
     $
8,137