Represents the number of properties with impairment charges.

No definition available.

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- 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).

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Balance Type:	debit
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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

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- Details

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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=rh_PropertyPlantAndEquipmentOtherThanLeasedAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=rh_LeasedAssetsMember
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Data Type:	na
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Period Type:

- Details

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- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=rh_MinneapolisDesignGalleryMember
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Data Type:	na
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Period Type:

- Details

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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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Leases - Sale-Leaseback Transaction and Long-lived Asset Impairment (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2020 USD ($)	May 02, 2020 USD ($) store	Aug. 01, 2020 USD ($)
Sale Leaseback Transaction [Line Items]
Net gain (loss) related to the sale-leaseback transaction	$ (9,352)		$ (9,352)
RH Baby & Child Gallery and Waterworks Showroom
Sale Leaseback Transaction [Line Items]
Impairment charge on long-lived assets		$ 3,500
Property Plant and Equipment Other Than Leased Assets \| RH Baby & Child Gallery and Waterworks Showroom
Sale Leaseback Transaction [Line Items]
Impairment charge on long-lived assets		1,500
Leased Assets \| RH Baby & Child Gallery and Waterworks Showroom
Sale Leaseback Transaction [Line Items]
Impairment charge on long-lived assets		$ 2,000
Sale-leaseback Transaction \| Minneapolis Design Gallery
Sale Leaseback Transaction [Line Items]
Sale proceeds	$ 25,500
Operating Leaseback Arrangement \| Minneapolis Design Gallery
Sale Leaseback Transaction [Line Items]
Initial lease terms, operating lease	20 years		20 years
Renewal term, operating lease	10 years		10 years
Selling, general and administrative expenses \| Operating Leaseback Arrangement \| Minneapolis Design Gallery
Sale Leaseback Transaction [Line Items]
Net gain (loss) related to the sale-leaseback transaction	$ 9,400
RH Segment
Sale Leaseback Transaction [Line Items]
Properties with impairment charges \| store		1
Waterworks
Sale Leaseback Transaction [Line Items]
Properties with impairment charges \| store		1