Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Furniture, Equipment and Leasehold Improvements, Net - Summary of Furniture, Equipment and Leasehold Improvements, Net (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 15,713 $ 14,826
Accumulated depreciation and amortization (10,190) (8,811)
Furniture, equipment and leasehold improvements, net 5,523 6,015
Leasehold Improvements    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 7,936 7,783
Furniture and Equipment    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost 7,275 6,541
Artwork    
Property Plant And Equipment Useful Life And Values [Abstract]    
Total cost $ 502 $ 502