Segment Reporting and Geographic Data - Geographic Areas Long-lived Assets (Detail) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Geographic Areas, Long-Lived Assets [Abstract]
Long-lived assets	[1]	$ 19,161	$ 19,223
United States [Member]
Geographic Areas, Long-Lived Assets [Abstract]
Long-lived assets	[1]	18,479	18,568
All Other Countries [Member]
Geographic Areas, Long-Lived Assets [Abstract]
Long-lived assets	[1]	$ 682	$ 655

[1] The Company’s only long-lived assets consist of property and equipment, net of depreciation, which are categorized based on their location of domicile.