SIGNIFICANT ACCOUNTING POLICIES - Variable Interest Entities (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2026	Feb. 01, 2025
SIGNIFICANT ACCOUNTING POLICIES
Liability-classified compensation arrangements	$ 1.0	$ 1.0
Impairment cost	$ 0.0	$ 0.0

Represents the carrying amount of liability classified noncash compensation arrangements, measured at fair value and included in other noncurrent liabilities on the consolidated balance sheet. These arrangements typically arise from equity interests granted to noncontrolling interest holders of consolidated variable interest entities (VIEs), and are remeasured at each reporting period until settlement.

No definition available.

Name:	rh_NoncashCompensationExpenseLiabilityClassifiedNoncurrent
Namespace Prefix:	rh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant