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COMMITMENTS, CONTINGENCIES AND OFF BALANCE SHEET ARRANGEMENTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 02, 2020
Feb. 03, 2019
Jan. 28, 2018
Commitments and Contingencies Disclosure [Abstract]      
Operating Leases, Rent Expense $ 11,200 $ 10,100 $ 9,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months 8,700 7,778  
Operating Leases, Future Minimum Payments, Due in Two Years 8,200 7,226  
Operating Leases, Future Minimum Payments, Due in Three Years 6,600 5,320  
Operating Leases, Future Minimum Payments, Due in Four Years 6,400 $ 3,610  
Letters of Credit Outstanding, Amount $ 4,300