Taxes on Income - Schedule of Changes in Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Balance at the beginning of the year	$ 31,181	$ 27,640
Changes during the year: Losses during the year (including foreign exchange rate effect)	3,964	3,541
Balance at the end of the year	$ 35,145	$ 31,181