Quarterly report pursuant to Section 13 or 15(d)

Geographic Information - Summary of Long-lived Assets by Geographic Area (Details)

v3.21.2
Geographic Information - Summary of Long-lived Assets by Geographic Area (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]    
Long-lived assets $ 17,203 $ 6,726
Italy    
Segment Reporting Information [Line Items]    
Long-lived assets $ 4,443 $ 2,827
Italy | Geographic Concentration Risk | Long-Lived Assets    
Segment Reporting Information [Line Items]    
Long-lived assets, Percentage 25.80% 42.00%
India    
Segment Reporting Information [Line Items]    
Long-lived assets $ 2,998 $ 1,667
India | Geographic Concentration Risk | Long-Lived Assets    
Segment Reporting Information [Line Items]    
Long-lived assets, Percentage 17.40% 24.80%
United States    
Segment Reporting Information [Line Items]    
Long-lived assets $ 9,082 $ 2,225
United States | Geographic Concentration Risk | Long-Lived Assets    
Segment Reporting Information [Line Items]    
Long-lived assets, Percentage 52.80% 33.10%
Rest of the World    
Segment Reporting Information [Line Items]    
Long-lived assets $ 680 $ 7
Rest of the World | Geographic Concentration Risk | Long-Lived Assets    
Segment Reporting Information [Line Items]    
Long-lived assets, Percentage 4.00% 0.10%