Quarterly report pursuant to Section 13 or 15(d)

Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail)

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Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 22,556 $ 21,455
Accumulated depreciation and amortization (15,098) (14,033)
Furniture, equipment and leasehold improvements, net 7,458 7,422
Leasehold Improvements    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 9,439 9,439
Furniture and Equipment    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 12,498 11,397
Artwork    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 619 $ 619