Fair Value Measurements of Financial Assets and Liabilities - Additional Information (Details) - USD ($)	May 01, 2020	Jan. 31, 2020	May 03, 2019
Nonrecurring
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Nonfinancial assets fair value disclosure	$ 0	$ 0	$ 0
Nonfinancial liabilities fair value disclosure	0	0	0
Fair Value | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Restricted cash fair value	$ 2,000,000	$ 2,100,000	$ 1,800,000