Accrued Liabilities (Details) - USD ($) $ in Thousands	Nov. 02, 2019	Aug. 03, 2019	Feb. 02, 2019
Schedule Of Accrued Liabilities [Line Items]
Contract liabilities, current	$ 9,081	$ 9,864
Accrued income, sales and other taxes payable	1,707		$ 911
Accrued occupancy-related expenses	786		3,700
Sales return reserve	1,771	1,176	1,176
eCommerce obligations	4,799		6,194
Other accrued liabilities	5,371		5,499
Total accrued liabilities and other current liabilities	21,470		25,894
Gift card and store credit liabilities
Schedule Of Accrued Liabilities [Line Items]
Contract liabilities, current	2,234	4,646	4,646
Accrued Friendship Rewards Program loyalty liability
Schedule Of Accrued Liabilities [Line Items]
Contract liabilities, current	$ 4,802	$ 3,768	$ 3,768