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Remaining Fair Value of Partially-Impaired Store (Detail) $ in Thousands	Feb. 01, 2020 USD ($)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	$ 2,449
Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	2,449
Land
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	1,450
Land | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	1,450
Operating lease assets
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	132
Operating lease assets | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	132
Operating lease liabilities
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	(125)
Operating lease liabilities | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	(125)
Buildings
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	833
Buildings | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	833
Store fixtures and equipment
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	148
Store fixtures and equipment | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	148
Leasehold improvements
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	4
Leasehold improvements | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	4
Other assets
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	7
Other assets | Significant Un-Observable Inputs (Level 3)
Carrying Amounts And Fair Values Of Financial Instruments [Line Items]
Long-Lived assets fair value, Total	$ 7

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