Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	May 05, 2024	May 07, 2023
Statement of Comprehensive Income [Abstract]
Net loss	$ (35,009)	$ (67,401)
Other comprehensive income (loss):
Unrealized net gains (losses) on available-for-sale securities	(1,640)	4,866
Less: reclassification adjustment for net gains on available-for-sale securities included in net loss	(162)	(268)
Change in unrealized net gains (losses) on available-for-sale securities	(1,802)	4,598
Comprehensive loss	$ (36,811)	$ (62,803)