Segment, Geographical and Other Revenue Information - Revenues by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Total revenues	$ 36,769	$ 18,385	$ 80,253	$ 48,023
Americas
Segment Reporting Information [Line Items]
Total revenues	7,816	5,841	18,588	17,972
EMEA
Segment Reporting Information [Line Items]
Total revenues	4,685	4,889	17,135	14,175
APAC
Segment Reporting Information [Line Items]
Total revenues	$ 24,268	$ 7,655	$ 44,530	$ 15,876