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Segment and Geographic Information - Schedule of Long Lived Assets by Geographic Area (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Revenues From External Customers And Long Lived Assets [Line Items]    
Property and equipment, net $ 28,277 $ 33,647
United States [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Property and equipment, net 15,002 20,673
China [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Property and equipment, net $ 13,275 $ 12,974