Accumulated Other Comprehensive Loss - Schedule of Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ 165,348	$ 175,855	$ 128,769
Unrealized gain (loss) on investment	506	(5)	(97)
Ending balance	34,452	165,348	175,855
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(1,134)	(635)	(656)
Foreign currency translation adjustment	141	(494)	118
Unrealized gain (loss) on investment	506	(5)	(97)
Ending balance	$ (487)	$ (1,134)	$ (635)