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Debt Obligations - Japan and Hong Kong Credit Facility (Details) - Revolving Credit Facilities - Revolving Credit Facility
1 Months Ended
Mar. 31, 2019
USD ($)
Nov. 30, 2017
USD ($)
Mar. 28, 2020
USD ($)
Mar. 28, 2020
HKD ($)
Mar. 31, 2019
HKD ($)
Mar. 30, 2019
USD ($)
Nov. 30, 2017
JPY (¥)
Japan Credit Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity   $ 9,000,000         ¥ 1,000,000,000.0
Line of credit, current obligations     $ 0     $ 0  
Japan Credit Facility | Bank Rate Two Days Prior              
Line of Credit Facility [Line Items]              
Debt instrument, basis spread on variable rate   0.30%          
HK Credit Facility              
Line of Credit Facility [Line Items]              
Line of credit facility, maximum borrowing capacity $ 14,000,000       $ 100,000,000    
Line of credit, current obligations     0     $ 0  
Minimum commitment, amount         $ 5,000,000    
Line of credit facility, available for future borrowings     13,000,000 $ 96,000,000      
HK Credit Facility | HIBOR              
Line of Credit Facility [Line Items]              
Debt instrument, basis spread on variable rate 1.50%            
HK Credit Facility, Bank Guarantees              
Line of Credit Facility [Line Items]              
Bank guarantees supported by facility     $ 1,000,000 $ 4,000,000