Income Taxes - Total Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Operating Loss Carryforwards [Line Items]
Operations	$ 29,542	$ 74,172	$ 28,212
Stockholders' equity	3,006	(3,173)	1,782
Total income tax expense	32,548	70,999	$ 29,994
Accounting Standards Update 2016-09
Operating Loss Carryforwards [Line Items]
Operations	$ 100	$ 1,300