Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Feb. 05, 2023	Feb. 06, 2022	Jan. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 73,071	$ (143,259)	$ (282,076)
Other comprehensive income (loss), net of tax:
Unrealized net gains (losses) on available-for-sale securities	(7,108)	(15,107)	3,213
Reclassification adjustment for net gains on available-for-sale securities included in net income (loss)	(31)	(668)	(1,252)
Change in unrealized net gains (losses) on available-for-sale securities	(7,139)	(15,775)	1,961
Comprehensive income (loss)	$ 65,932	$ (159,034)	$ (280,115)