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Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Income Taxes [Line Items]
Deferred tax assets	$ 58,300,000		$ 58,300,000
Deferred tax liabilities	10,400,000		10,400,000
Deferred tax assets, valuation allowance	47,900,000		$ 47,900,000
Federal net operating loss carry forwards expiration period minimum			2022
Federal net operating loss carry forwards expiration period maximum			2036
Net operating loss carryforwards not subject to expiration	20,800,000		$ 20,800,000
Liability for unrecognized tax benefits	2,000,000		2,000,000
Tax expenses of other comprehensive income	30,000	$ 21,000	81,000	$ 47,000
Federal
Income Taxes [Line Items]
Net operating loss carryforwards subject to expiration	141,500,000		141,500,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards	91,500,000		$ 91,500,000
State and Local Jurisdiction | Minimum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2019
State and Local Jurisdiction | Maximum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2039
Canada
Income Taxes [Line Items]
Net operating loss carryforwards	$ 3,500,000		$ 3,500,000
Canada | Minimum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2025
Canada | Maximum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2039

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