Goodwill and Intangible Impairment Charges - Intangible Assets (Details) $ in Thousands	9 Months Ended
	Oct. 31, 2020 USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Balance at February 1, 2020	$ 38,930
Impairment charges	(32,766)
Balance at October 31, 2020	6,164
WHBM Trademark
Indefinite-lived Intangible Assets [Roll Forward]
Balance at February 1, 2020	34,000
Impairment charges	(28,000)
Balance at October 31, 2020	6,000
Chico's Franchise Rights
Indefinite-lived Intangible Assets [Roll Forward]
Balance at February 1, 2020	4,930
Impairment charges	(4,766)
Balance at October 31, 2020	$ 164