Income Taxes - Changes in Valuation Allowance (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Deferred Tax Assets, Valuation Allowance [Roll Forward]      
Valuation allowance, beginning of year $ 2,313 $ 2,108 $ 832
Changes in related gross deferred tax assets/liabilities 410 0 0
Charge 105,695 205 1,276
Valuation allowance, end of year $ 108,418 $ 2,313 $ 2,108