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Business Segments and Geographic Information - Summary of Revenue from External Customers (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 62,117	$ 53,658	$ 121,872	$ 103,433
United States [Member]
Segment Reporting Information [Line Items]
Revenues	60,468	51,532	118,815	99,474
Canada [Member]
Segment Reporting Information [Line Items]
Revenues	1,130	1,018	2,149	2,282
India and Other [Member]
Segment Reporting Information [Line Items]
Revenues	$ 519	$ 1,108	$ 908	$ 1,677

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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