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Significant Accounting Policies - Additional Information (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 19, 2021
USD ($)
Mar. 11, 2021
$ / shares
shares
Mar. 03, 2021
May 01, 2021
USD ($)
Store
State
May 02, 2020
USD ($)
Summary Of Significant Accounting Principles And Policies [Line Items]          
Number of retail stores | Store       855  
Number of states in which stores operates | State       49  
Sale of shares, units price per share | $ / shares   $ 12.00      
Stock issued during period, new issues | shares   5,468,750      
Stock issued, underwriters option to purchase additional shares | shares   1,640,625      
Net proceeds from public offering       $ 77.0  
Initial public offering cost net of underwriters discount and commission       5.7  
Offering costs incurred       2.6  
Repayment of revolving credit facility       102.1 $ 42.6
Stock split conversion ratio     85.8808880756715    
LGP          
Summary Of Significant Accounting Principles And Policies [Line Items]          
Management fee       $ 0.4 $ 0.8
Term Loan Due 2024          
Summary Of Significant Accounting Principles And Policies [Line Items]          
Repayment of revolving credit facility $ 72.7