Goodwill & Intangible Impairment Charges - Goodwill (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jan. 30, 2021	May 02, 2020	Jan. 30, 2021
Goodwill [Roll Forward]
Balance at February 1, 2020		$ 96,774,000	$ 96,774,000
Impairment charges	$ 0	(68,400,000)	(80,414,000)
Balance at January 30, 2021	16,360,000		16,360,000
Chico's Reporting Unit
Goodwill [Roll Forward]
Balance at February 1, 2020		36,403,000	36,403,000
Impairment charges		(20,000,000.0)	(20,043,000)
Balance at January 30, 2021	16,360,000		16,360,000
WHBM Reporting Unit
Goodwill [Roll Forward]
Balance at February 1, 2020		60,371,000	60,371,000
Impairment charges		$ (60,400,000)	(60,371,000)
Balance at January 30, 2021	0		0
Intimates Group Reporting Unit
Goodwill [Roll Forward]
Balance at January 30, 2021	$ 0		$ 0