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Business Segments and Geographic Information - Summary of Revenue from External Customers (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Segment Reporting Information [Line Items]    
Revenues $ 55,063 $ 59,755
United States [Member]    
Segment Reporting Information [Line Items]    
Revenues 53,755 58,347
Canada [Member]    
Segment Reporting Information [Line Items]    
Revenues 831 1,019
India and other [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 477 $ 389