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Stockholders' Equity - Schedule of Accumulated Other Comprehensive Loss (Parenthetical) (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Nov. 01, 2025	Nov. 02, 2024	Nov. 01, 2025	Nov. 02, 2024
Net Unrealized Losses on Marketable Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income, before reclassification tax	$ 200,000	$ 200,000	$ 700,000	$ 600,000
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss (income), tax	$ 0	$ 0		$ 0
Accumulated Other Comprehensive Loss [Member] | Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss (income), tax			$ 100,000

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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