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Summary of Significant Accounting Policies - Summary of Revenue Recognition (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 154,209	$ 134,632
Transaction
Disaggregation of Revenue [Line Items]
Total revenue	64,084	61,388
Subscription
Disaggregation of Revenue [Line Items]
Total revenue	84,387	65,493
Partner
Disaggregation of Revenue [Line Items]
Total revenue	$ 5,738	$ 7,751

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