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Accrued Expenses and Other Accounts Payable (Tables)
12 Months Ended
Dec. 31, 2018
Payables and Accruals [Abstract]  
Schedule of accrued expenses and other accounts payable

 

   December 31, 
   2017   2018 
         
Employees and payroll accruals  $15,203   $16,242 
Accrued expenses   6,234    6,219 
Government authorities   4,738    1,426 
Other   1,614    571 
           
   $27,789   $24,458