Business Segment, Geographic, and Concentration Risk Information - Summary of Property and Equipment by Geographical Segment (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Total property and equipment, net:
Total consolidated property and equipment, net	$ 26,863	$ 27,978
United States
Total property and equipment, net:
Total consolidated property and equipment, net	3,935	4,196
China
Total property and equipment, net:
Total consolidated property and equipment, net	$ 22,928	$ 23,782