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Significant Accounting Policies - Advertising Expenses (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 28, 2023 | Jan. 29, 2022 | Jan. 30, 2021
Significant Accounting Policies |  |  |
Advertising expense | $ 71,000 | $ 40,000 | $ 59,000
Capitalized catalog costs and other current assets | $ 26,522 | $ 22,194 |

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- Definition Capitalized catalog costs included in prepaid expenses and other current assets. + References No definition available. + Details
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Namespace Prefix: | rh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | debit
Period Type: | duration