Intangible Asset, Measurement Input

No definition available.

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Namespace Prefix:	chs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Long-Lived Assets And Operating Lease Right Of Use Assets, Fair Value Disclosure

+ References

No definition available.

+ Details

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Namespace Prefix:	chs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Tangible Asset, Measurement Input

+ References

No definition available.

+ Details

Name:	chs_TangibleAssetMeasurementInput
Namespace Prefix:	chs_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillAndIntangibleAssetImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_GoodwillLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228

+ Details

Name:	us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 25
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123399704&loc=SL77918431-209957

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ReportingUnitAxis=chs_ChicosReportingUnitMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_ReportingUnitAxis=chs_WhiteHouseBlackMarketReportingUnitMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=chs_MeasurementInputWeightedAverageCostOfCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputLongTermRevenueGrowthRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TradeNamesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
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Fair Value Measurements - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jan. 30, 2021	May 02, 2020	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Goodwill [Line Items]
Trademark	$ 5,000,000			$ 5,000,000
Long-lived assets and operating lease assets at retail stores	89,588,000			89,588,000
Goodwill	16,360,000		$ 16,360,000	16,360,000
Goodwill and intangible impairment			0	114,300,000	$ 0
Impairment of long lived assets			2,900,000	34,500,000	3,300,000
Right of use asset impairment and write-off	1,200,000	$ 1,800,000	0	4,795,000	$ 1,065,000
Chico's reporting unit
Goodwill [Line Items]
Goodwill	16,360,000		16,360,000	16,360,000
WHBM reporting unit
Goodwill [Line Items]
Goodwill	0	$ 0	$ 0	0
WHBM trademark \| Chico's reporting unit
Goodwill [Line Items]
Goodwill	16,000,000			16,000,000
WHBM trademark \| WHBM reporting unit
Goodwill [Line Items]
Goodwill	$ 5,000,000			$ 5,000,000
Minimum \| Weighted-average cost of capital
Goodwill [Line Items]
Long lived asset measurement input	11.00%			11.00%
Minimum \| Weighted-average cost of capital \| WHBM trademark
Goodwill [Line Items]
Intangible asset measurement input	13.00%			13.00%
Minimum \| Long-term revenue growth rate \| Trade Name
Goodwill [Line Items]
Intangible asset measurement input			(1.00%)
Long lived asset measurement input	2.00%			2.00%
Minimum \| Long-term revenue growth rate \| WHBM trademark
Goodwill [Line Items]
Intangible asset measurement input	(1.00%)			(1.00%)
Maximum \| Weighted-average cost of capital
Goodwill [Line Items]
Long lived asset measurement input	13.00%			13.00%
Maximum \| Weighted-average cost of capital \| WHBM trademark
Goodwill [Line Items]
Intangible asset measurement input	15.00%			15.00%
Maximum \| Long-term revenue growth rate \| Trade Name
Goodwill [Line Items]
Intangible asset measurement input			16.00%
Long lived asset measurement input	53.00%			53.00%
Maximum \| Long-term revenue growth rate \| WHBM trademark
Goodwill [Line Items]
Intangible asset measurement input	16.00%			16.00%