Commitments and Contingencies - Summary of Restructuring Activity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Restructuring Cost And Reserve [Line Items]
Beginning balance	$ 368
Restructuring expense	935	$ 0
Payments made	(1,303)
Ending balance	0
Tianjin Manufacturing Restructuring [Member]
Restructuring Cost And Reserve [Line Items]
Beginning balance	0
Restructuring expense	935
Payments made	(935)
Ending balance	0
Beijing Restructuring [Member]
Restructuring Cost And Reserve [Line Items]
Beginning balance	368
Restructuring expense	0
Payments made	(368)
Ending balance	$ 0