Goodwill & Intangible Impairment Charges - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jan. 30, 2021	May 02, 2020	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Goodwill [Line Items]
Impairment charges	$ 0	$ 68,400,000	$ 80,414,000
Goodwill	16,360,000		16,360,000	$ 96,774,000
Impairment charges	900,000	24,600,000	33,930,000
Goodwill and intangible impairment charges			114,344,000	0	$ 0
Impairment of long lived assets			29,700,000
Goodwill and intangible impairment			114,300,000	0	$ 0
Chico's Reporting Unit
Goodwill [Line Items]
Impairment charges		20,000,000.0	20,043,000
Goodwill	16,360,000		16,360,000	36,403,000
Goodwill	16,400,000		16,400,000
WHBM Reporting Unit
Goodwill [Line Items]
Impairment charges		60,400,000	60,371,000
Goodwill	0		0	60,371,000
Goodwill	0.0	0	0.0
WHBM Trademark
Goodwill [Line Items]
Goodwill				34,000,000.0
Goodwill	5,000,000.0		5,000,000.0
Impairment charges			29,000,000
Goodwill and intangible impairment charges		28,000,000.0
Impairment of long lived assets	1,000,000.0
Chico's Franchise Rights
Goodwill [Line Items]
Goodwill				$ 4,900,000
Goodwill	0.0		0.0
Impairment charges			$ 4,930,000
Goodwill and intangible impairment charges		$ 4,800,000
Impairment of long lived assets	$ 200,000