Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Feb. 01, 2020	Feb. 02, 2019
Deferred tax assets:
Deferred rent	$ 0	$ 3,446
Share-based compensation	1,487	1,841
Inventories	1,974	1,628
Accrued expenses	1,344	985
Compensation and benefits	472	426
Deferred revenue	128	417
Other	143	0
Total deferred tax assets	86,692	8,743
Deferred tax liabilities:
Property and equipment	(8,113)	(6,133)
Prepaid expenses	(932)	(878)
Marketable securities	79	84
Other	0	(369)
Total deferred tax liabilities	(79,693)	(7,464)
Net deferred tax asset	$ 6,999	$ 1,279