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OTHER ACCOUNTS RECEIVABLE AND PREPAID EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2019
Prepaid Expense and Other Assets [Abstract]  
Schedule of other accounts receivable and prepaid expenses
 
December 31,
  
   
2018
    
2019
  
             
Government authorities
  
$
6,573
    
$
5,168
  
Deferred charges and prepaid expenses
    
3,186
      
3,639
  
Deposits receivable
    
367
      
532
  
Advances to suppliers
    
812
      
357
  
Hedging asset
    
5
      
372
  
Other
    
1,192
      
965
  
                 
   
$
12,135
    
$
11,033