Prepaid Expenses and Other Current Assets - Schedule Of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Prepaid Expense and Other Assets, Current [Abstract]
Deferred commission	$ 3,725	$ 8,055
Prepaid expenses	7,648	6,857
Government institutions & other receivables	1,357	1,874
Short-term deposits & other	317	166
Prepaid expenses and other current assets	$ 13,047	$ 16,952