Taxes on Income - Schedule of Open Tax Years by Major Jurisdiction (Details)	12 Months Ended
	Dec. 31, 2018
U.S. [Member] | Earliest Tax Year [Member]
Open Tax Year	2015
U.S. [Member] | Latest Tax Year [Member]
Open Tax Year	2018
Israel [Member] | Earliest Tax Year [Member]
Open Tax Year	2014
Israel [Member] | Latest Tax Year [Member]
Open Tax Year	2018
Germany [Member] | Earliest Tax Year [Member]
Open Tax Year	2013
Germany [Member] | Latest Tax Year [Member]
Open Tax Year	2018
United Kingdom [Member] | Earliest Tax Year [Member]
Open Tax Year	2014
United Kingdom [Member] | Latest Tax Year [Member]
Open Tax Year	2015