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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Tables)
6 Months Ended
Mar. 31, 2017
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK [Abstract]  
Schedule of fair value, off-balance sheet financial instruments

   2017   2016 
   March 31   September 30 
   (Dollars in thousands) 
Financial instruments whose contract amounts          
represent credit risk          
Letters of credit  $560   $306 
Unused lines of credit   49,646    45,888 
Fixed rate loan commitments   2,990    5,272 
Variable rate loan commitments   11,653    6,746 
           
   $64,849   $58,212