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 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 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 6.50% 3.50% 5.60% 3.20%