Revenue Recognition - Schedule of Disaggregation of Revenue by Revenue Source (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues fom sales to unaffiliated customers:
Total Revenue	$ 33,336	$ 30,150
Consumer
Revenues fom sales to unaffiliated customers:
Total Revenue	9,849	16,379
Payor Revenue
Revenues fom sales to unaffiliated customers:
Total Revenue	14,811	8,110
B2B Revenue
Revenues fom sales to unaffiliated customers:
Total Revenue	23,487	13,771
DTE revenue
Revenues fom sales to unaffiliated customers:
Total Revenue	$ 8,676	$ 5,661