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Intangible Assets and Goodwill - Provisional amortization expense for intangible assets (Details) - USD ($)
$ in Thousands
Aug. 01, 2020
Feb. 01, 2020
Goodwill and Intangible Assets Disclosure [Abstract]    
Fiscal 2021 (remaining six months) $ 4,295  
Fiscal 2022 3,073  
Fiscal 2022 3,073  
Fiscal 2023 3,073  
Thereafter 1,409  
Carrying Amount $ 14,923 $ 19,637