Geographic Information and Major Customer and Product Data - Long-lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Long-lived assets	$ 36,338	$ 17,323
United States
Segment Reporting Information [Line Items]
Long-lived assets	16,100	7,612
Israel
Segment Reporting Information [Line Items]
Long-lived assets	18,354	7,834
France
Segment Reporting Information [Line Items]
Long-lived assets	1,023	1,243
Other
Segment Reporting Information [Line Items]
Long-lived assets	$ 861	$ 634