Related Party Transactions - Additional Information (Detail) $ in Millions	12 Months Ended
Feb. 01, 2014 USD ($)
Related Party Transactions [Abstract]
Related party transaction charges	$ 0.2

Related Party Transaction Expense From Transactions Between Related Parties

No definition available.

Name:	rh_RelatedPartyTransactionExpenseFromTransactionsBetweenRelatedParties
Namespace Prefix:	rh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration