Segment, Geographical and Other Revenue Information - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 25,453	$ 14,967	$ 43,485	$ 29,637
Americas
Segment Reporting Information [Line Items]
Total revenues	5,844	6,906	10,773	12,131
EMEA
Segment Reporting Information [Line Items]
Total revenues	6,169	3,314	12,450	9,285
APAC
Segment Reporting Information [Line Items]
Total revenues	$ 13,440	$ 4,747	$ 20,262	$ 8,221