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Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Less: accumulated depreciation and amortization $ (227) $ (8,494)
Total 557 7,579
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 784 2,836
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross 0 2,225
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross $ 0 $ 11,012