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Debt - Additional Information (Details) - USD ($)
Aug. 02, 2018
Aug. 03, 2019
May 04, 2015
Debt Instrument [Line Items]      
Long-term debt   $ 50,000,000.0  
Unamortized discount outstanding   $ 500,000  
Line of Credit | Revolving Credit Facility      
Debt Instrument [Line Items]      
Term of agreement   5 years  
Borrowing capacity $ 200,000,000   $ 100,000,000
Additional amount available upon request for increase $ 100,000,000    
Available for borrowing   $ 150,000,000.0  
Term Loan      
Debt Instrument [Line Items]      
Face amount     $ 100,000,000