Segment Information And Information About Geographic Areas - Schedule of Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenues	$ 192,786	$ 166,789	$ 379,609	$ 324,578
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer By Geographic Area	190,852	165,502	375,691	321,487
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer By Geographic Area	$ 1,934	$ 1,287	$ 3,918	$ 3,091