Segment Reporting - Revenue by Geographic Area (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue by geographic area
Total revenue	$ 92,055	$ 101,907	$ 152,915
United States | Reportable Geographical Components
Revenue by geographic area
Total revenue	9,841	10,114	64,966
Rest of World | Reportable Geographical Components
Revenue by geographic area
Total revenue	$ 82,214	$ 91,793	$ 87,949