Supplemental Information - Schedule of Long-Lived Assets by Location (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	$ 18,869	$ 17,026
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	10,249	8,896
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	1,719	3,067
Israel
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	3,736	2,753
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	982	729
Others
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	$ 2,183	$ 1,581