Business and Summary of Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details) $ in Thousands	12 Months Ended
Jan. 29, 2022 USD ($) customer	Jan. 30, 2021 USD ($)
Short-term Investments
Short-term investments	$ 164,890	$ 0
Cash and cash equivalents
Cash and cash equivalents	$ 44,859	$ 66,013
Consolidated accounts receivable \| Credit concentration risk \| Customer One
Concentration of Credit Risk and Significant Customers
Number of customers \| customer	1
Consolidated accounts receivable \| Credit concentration risk \| Minimum \| Customer One
Concentration of Credit Risk and Significant Customers
Concentration risk, percentage	10.00%

Represents the number of customers who are responsible for concentration of risk.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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