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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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation Of Revenue [Line Items]
Revenue	$ 113,431	$ 127,679	$ 362,690	$ 400,896
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	91,580	107,224	296,257	333,709
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	13,778	12,167	43,053	42,510
Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Revenue	6,074	6,377	17,593	19,495
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,999	$ 1,911	$ 5,787	$ 5,182

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