Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended
	May 04, 2019	May 05, 2018
Income Taxes [Line Items]
Deferred tax assets	$ 58,700,000
Deferred tax liabilities	11,000,000
Deferred tax assets, valuation allowance	$ 47,700,000
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	$ 21,700,000
Liability for unrecognized tax benefits	2,000,000
Tax expenses of other comprehensive income	51,000	$ 26,000
Federal
Income Taxes [Line Items]
Net operating loss carryforwards subject to expiration	141,500,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards	$ 91,900,000
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	$ 3,400,000
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