Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Thousands			12 Months Ended
	Jul. 30, 2020 store	Feb. 02, 2020	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Oct. 31, 2020 USD ($)	Aug. 01, 2020 USD ($)	Nov. 02, 2019 USD ($)	Aug. 03, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounting standards update		us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201602Member
Stockholders equity			$ 530,092	$ 579,964	$ 242,765	$ 296,798	$ 543,115	$ 549,122
Cumulative effect, period of adoption, adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders equity			(838)	(1,287)
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders equity			531,602	587,145	$ 238,877	$ 294,708	$ 546,461	$ 554,694
Retained Earnings | Cumulative effect, period of adoption, adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Stockholders equity			$ (838)	$ (1,287)
Chico's
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of store closures | store	4
WHBM
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of store closures | store	6