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FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Tables)
12 Months Ended
Dec. 31, 2017
FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK [Abstract]  
Schedule of off-balance-sheet financial instruments
     
At December 31,
 
     
2017
   
2016
 
     
Fixed Rate
   
Variable Rate
   
Fixed Rate
   
Variable Rate
 
Undrawn lines of credit
      $ 39,651         $ 76,008         $ 60,984         $ 9,890    
Letters of credit
        23,741                     9,808              
        $ 63,392         $ 76,008         $ 70,792         $ 9,890