Business Segment, Geographic, and Concentration Risk Information - Summary of Revenue by Geographical Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total revenue:
Total consolidated revenue	$ 31,516	$ 20,698	$ 60,658	$ 59,850
United States
Total revenue:
Total consolidated revenue	31,509	20,679	60,644	59,323
Other Foreign Countries
Total revenue:
Total consolidated revenue	$ 7	$ 19	$ 14	$ 527