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Income Taxes - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Nov. 02, 2019
Nov. 03, 2018
Nov. 02, 2019
Nov. 03, 2018
Income Taxes [Line Items]        
Deferred tax assets $ 58,600,000   $ 58,600,000  
Deferred tax liabilities 9,900,000   9,900,000  
Deferred tax assets, valuation allowance 48,700,000   $ 48,700,000  
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 26,600,000   $ 26,600,000  
Liability for unrecognized tax benefits 2,000,000   2,000,000  
Tax expenses of other comprehensive income 70,000 $ 45,000 151,000 $ 92,000
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 94,800,000   $ 94,800,000  
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 $ 2,900,000   $ 2,900,000  
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