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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 07, 2020
Nov. 27, 2013
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Jan. 30, 2021
Dec. 11, 2020
Related Party Transaction [Line Items]                
Maximum borrowing capacity     $ 87,339,000   $ 87,339,000   $ 85,897,000  
Agreed basis spread on variable rate per annum on deferred payment 0.00%              
Net decrease to liability under Tax Receivable Agreement           $ (2,320,000)    
Pre-IPO Stockholders [Member] | Tax Receivable Agreement [Member]                
Related Party Transaction [Line Items]                
Aggregate reduction in taxes payable percentage   85.00%            
Total estimated obligation under Tax Receivable Agreement     0   $ 0      
Pre-IPO Stockholders [Member] | Tax Receivable Agreement [Member] | LIBOR [Member]                
Related Party Transaction [Line Items]                
Default basis spread on variable rate per annum on deferred payment         5.00%      
Agreed basis spread on variable rate per annum on deferred payment         2.00%      
Sun Capital Consulting Agreement [Member]                
Related Party Transaction [Line Items]                
Date of related party transaction agreement         Nov. 27, 2013      
Reimbursement of expenses incurred     6,000 $ 6,000 $ 8,000 $ 11,000    
Third Lien Credit Agreement [Member]                
Related Party Transaction [Line Items]                
Maximum borrowing capacity     $ 22,005,000   $ 22,005,000   $ 20,748,000 $ 20,000,000
Sun Capital [Member] | Third Lien Credit Agreement [Member]                
Related Party Transaction [Line Items]                
Ownership percentage of common stock               71.00%