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PREPAID EXPENSES AND OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
PREPAID EXPENSES AND OTHER CURRENT ASSETS
NOTE 5:-        PREPAID EXPENSES AND OTHER CURRENT ASSETS

   
December 31,
  
   
2017
    
2018
  
             
Government authorities
  
$
2,504
    
$
1,885
  
Hedging transaction asset
    
1,192
      
2,574
  
Prepaid expenses
    
13,962
      
5,293
  
Other current assets
    
1,588
      
2,187
  
                 
   
$
19,246
    
$
11,939