Quarterly report pursuant to Section 13 or 15(d)

Description of Business, Basis of Presentation and Recent Accounting Pronouncements - Narrative (Detail)

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Description of Business, Basis of Presentation and Recent Accounting Pronouncements - Narrative (Detail) - office
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Class of Stock [Line Items]    
Number of offices (over) 80  
Percentage of common stock distributed 80.00%  
Commission's receivable settled period 10 days  
Guarantee obligations 16.70%  
Total Revenues | Geographic Concentration Risk | Canada | Customer    
Class of Stock [Line Items]    
Concentration risk percentage 4.40% 2.90%