Loss Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019
Numerator
Net loss	$ (46,845)	$ (2,309)	$ (225,135)	$ (284)
Net income and dividends declared allocated to participating securities	0	0	(193)	0
Net loss available to common shareholders	$ (46,845)	$ (2,309)	$ (225,328)	$ (284)
Denominator
Weighted average common shares outstanding – basic (in shares)	115,912,031	114,802,252	115,743,004	114,618,153
Dilutive effect of non-participating securities (in shares)	0	0	0	0
Weighted average common and common equivalent shares outstanding – diluted (in shares)	115,912,031	114,802,252	115,743,004	114,618,153
Net loss per common share:
Basic (in dollars per share)	$ (0.40)	$ (0.02)	$ (1.95)	$ 0
Diluted (in dollars per share)	$ (0.40)	$ (0.02)	$ (1.95)	$ 0