XML 88 R72.htm IDEA: XBRL DOCUMENT v3.21.2
Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Less: accumulated depreciation and amortization $ (452) $ (8,494)
Total 545 7,579
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 997 2,836
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 2,225
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross $ 11,012