Revenue - Summary of Disaggregation of Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Total Revenue	$ 64,516	$ 60,217	$ 128,748	$ 117,816
Platform Subscription [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	29,592	26,780	58,283	51,376
Visits [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	29,750	27,532	60,486	55,353
Others [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 5,174	$ 5,905	$ 9,979	$ 11,087