Supplemental Information - Schedule of Long-Lived Assets by Location (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	$ 18,245	$ 17,026
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	9,562	8,896
Switzerland
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	2,472	3,067
Israel
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	3,366	2,753
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	711	729
Others
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-term assets	$ 2,134	$ 1,581