Income Taxes - Total Income Tax Expense (Benefit) (Details) - USD ($)	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019	Apr. 30, 2019
Income Tax Disclosure [Abstract]
Operations	$ (6,338,000)	$ 22,513,000	$ 29,542,000
Stockholders' equity	(1,534,000)	(1,142,000)	3,006,000
Total income tax expense (benefit)	$ (7,872,000)	21,371,000	$ 32,548,000
Paid-in Capital
Total income tax expense (benefit)
Net deferred tax asset related to the convertible senior notes included in paid in capital		$ 1,300,000
2.00% Convertible Senior Notes Due 2024 | Senior notes
Total income tax expense (benefit)
Convertible debt issued				$ 300,000,000
Interest rate (as a percent)				2.00%