XML 49 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Leases (Details)
3 Months Ended 6 Months Ended
Aug. 02, 2020
USD ($)
Aug. 02, 2020
USD ($)
Leases (Details) [Line Items]    
Operating Leases, Income Statement, Sublease Revenue $ 144,000 $ 288,000
Operating Lease, Weighted Average Remaining Lease Term 7 years 7 years
Operating Lease, Weighted Average Discount Rate, Percent 2.75% 2.75%
London Interbank Offered Rate (LIBOR) [Member]    
Leases (Details) [Line Items]    
Operating Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate 1.50% 1.50%