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Leases (Details) - USD ($)
3 Months Ended 9 Months Ended
Oct. 31, 2021
Nov. 01, 2020
Oct. 31, 2021
Nov. 01, 2020
Aug. 01, 2021
Leases (Details) [Line Items]          
Operating Lease, Lease Income $ 266,000 $ 144,000 $ 561,000 $ 432,000  
Operating Lease, Weighted Average Remaining Lease Term   8 years 6 months   8 years 6 months  
Lessee, Operating Lease, Variable Lease Payment, Terms and Conditions     incremental borrowing rate which is LIBOR plus 1.5%    
Operating Lease, Weighted Average Discount Rate, Percent 1.93%   1.93%    
Lessee, Operating Lease, Term of Contract         10 years
Operating Lease, Payments $ 1,843,000 $ 2,056,000 $ 5,818,000 $ 5,908,000  
Minimum [Member]          
Leases (Details) [Line Items]          
Operating Lease, Payments       $ 23,700,000  
London Interbank Offered Rate (LIBOR) [Member]          
Leases (Details) [Line Items]          
Operating Leases of Lessee, Contingent Rentals, Basis Spread on Variable Rate     1.50%