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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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Revenue	$ 118,136	$ 108,577	$ 360,587	$ 328,463
North America [Member]
Disaggregation Of Revenue [Line Items]
Revenue	94,700	89,478	290,967	272,657
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue	15,102	11,861	45,771	35,436
Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Revenue	6,721	6,015	19,435	16,793
'Other [Member]
Disaggregation Of Revenue [Line Items]
Revenue	$ 1,613	$ 1,223	$ 4,414	$ 3,577

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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-Publisher FASB
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