Investments (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 01, 2020	Feb. 02, 2019
Schedule of Investments, Reported Amounts, by Category [Line Items]
Investments	$ 24,974	$ 69,718
Available-for-sale Securities \| Carrying value of investments
Schedule of Investments, Reported Amounts, by Category [Line Items]
Investments	24,831	70,195
Short-term Investments
Schedule of Investments, Reported Amounts, by Category [Line Items]
Unrealized gains included in accumulated other comprehensive loss	143	44
Unrealized losses included in accumulated other comprehensive loss	$ 0	$ (521)

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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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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