Revenue and Related Matters - Schedule of Disaggregation of Revenue by Geography and Recognition Timing (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation Of Revenue [Line Items]
Revenue	$ 127,679	$ 118,136	$ 400,896	$ 360,587
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	107,224	94,700	333,709	290,967
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	12,167	15,102	42,510	45,771
Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Revenue	6,377	6,721	19,495	19,435
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,911	$ 1,613	$ 5,182	$ 4,414