Stock-Based Compensation - Shares Purchased (Details) - $ / shares	3 Months Ended	6 Months Ended
Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Share-based Payment Arrangement [Abstract]
Shares purchased (in shares)	2,063	11,143	9,508	28,901
Average price per share (in dollars per share)	$ 58.56	$ 8.60	$ 43.44	$ 9.03
Weighed average fair value at grant date (in dollars per share)	$ 11.39	$ 2.39	$ 11.44	$ 3.51

Number of shares issued during the period as a result of an employee stock purchase plan.

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Name:	us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration