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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Jul. 31, 2021
Aug. 01, 2020
Income Tax Disclosure [Abstract]        
Provision for income taxes $ 1,298 $ 28 $ 3,941 $ 70
Effective tax rate 183.30% 0.20% 47.60% 0.10%
U.S. statutory rate 21.00% 21.00%    
Provision for income taxes included correction of error     $ 882