Supplemental Information - Schedule of Revenues by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 133,606	$ 132,660	$ 401,818	$ 350,413	$ 494,366
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	88,032	92,635	261,079	243,103	340,782
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	23,208	22,756	74,934	66,027	93,264
Other EMEA
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	7,081	5,468	23,035	12,069	18,654
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	8,778	7,523	25,806	21,153	29,076
Greater China
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 6,507	$ 4,278	$ 16,964	$ 8,061	$ 12,590