v3.20.2

Income Taxes - Additional Information (Detail) - USD ($)	6 Months Ended
	Aug. 01, 2020	Feb. 01, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Cumulative effect on retained deficit	$ (51,835,000)	$ (60,196,000)	$ (58,073,000)
Unrecognized tax benefits	$ 0
Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2014
Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2019
Cumulative Effect Period of Adoption Adjustment [Member] | Restatement Adjustment [Member]
Income Tax Contingency [Line Items]
Cumulative effect on retained deficit	$ 0

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