Geographical Information (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	$ 173,748	$ 144,470
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	170,812	140,651
India
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	2,603	2,970
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	$ 333	$ 849