Segment Information and Operations by Geographic Area - Long-Lived Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Long-lived assets (primarily consist of property and equipment)
Long-Lived Assets	$ 17,779	$ 17,643
United States of America
Long-lived assets (primarily consist of property and equipment)
Long-Lived Assets	16,812	16,738
Rest of the World
Long-lived assets (primarily consist of property and equipment)
Long-Lived Assets	$ 967	$ 905