Other Payables and Accrued Expenses - Schedule of Other Payables and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Payables And Accruals [Abstract]
Employees and payroll accruals	$ 16,717	$ 13,283
Taxes payable and others	12,263	9,110
Provision for settlement (Note 12)		5,500
Deferred revenues	8,840	4,959
Other	32	144
Other payables and accrued expenses	$ 37,852	$ 32,996