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Leases (Details) - Lease, Cost - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 02, 2020
Aug. 04, 2019
Aug. 02, 2020
Aug. 04, 2019
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost $ 2,242 $ 2,301 $ 4,508 $ 4,491
Operating cash outflows 1,931 1,948 3,833 4,334
Operating Lease Costs [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost 2,153 2,123 4,253 4,200
Variable Lease Cost [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost 22 0 69 0
Leases Less Then 12 Months [Member]        
Leases (Details) - Lease, Cost [Line Items]        
Operating lease cost $ 67 $ 178 $ 186 $ 291