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Consolidated Entities, Joint Ventures and Investments - Equity Method Investments (Parenthetical) (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items]      
Payment received upon sale interest in subsidiary   $ 2,750  
Ningbo Material Girl Fashion Co. Ltd | Ningbo Peacebird Fashion & Accessories Co. Ltd.      
Schedule Of Equity Method Investments [Line Items]      
Percentage of equity ownership interest sold 20.00%    
Sale of ownership interest $ 3,000    
Sale price reduction by initial cash investments 200    
Brand management expenses incurred 600    
Payment received upon sale interest in subsidiary $ 2,200    
Ningbo Material Girl Fashion Co. Ltd | Purim LLC.      
Schedule Of Equity Method Investments [Line Items]      
Percentage of equity ownership interest sold 33.30%    
Sale of ownership interest $ 700    
Payment received upon sale interest in subsidiary $ 1,500    
Gain on sale of equity investments     $ 200
Candies Shanghai Fashion Co. Ltd. | COVID-19      
Schedule Of Equity Method Investments [Line Items]      
Impairment charge   9,800  
Ai Xi Enterprise (Shanghai) Co. Limited      
Schedule Of Equity Method Investments [Line Items]      
Impairment charge   $ 9,700