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, 2022
Dec. 31, 2021
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 17,291 $ 16,622
Accumulated depreciation and amortization (12,251) (11,365)
Furniture, equipment and leasehold improvements, net 5,040 5,257
Leasehold Improvements    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 7,859 7,859
Furniture and Equipment    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 8,927 8,258
Artwork    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 505 $ 505