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Business Segments and Geographic Information - Summary of Revenue from External Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenues	$ 51,839	$ 47,779	$ 148,196	$ 155,046
United States [Member]
Segment Reporting Information [Line Items]
Revenues	51,043	46,778	145,674	151,798
Canada [Member]
Segment Reporting Information [Line Items]
Revenues	198	627	800	2,159
India and Other [Member]
Segment Reporting Information [Line Items]
Revenues	$ 598	$ 374	$ 1,722	$ 1,089

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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