Document and Entity Information - USD ($)	12 Months Ended
	Feb. 01, 2020	Mar. 27, 2020	Aug. 02, 2019
Document And Entity Information [Abstract]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Feb. 01, 2020
Entity File Number	001-35720
Entity Registrant Name	RH
Entity Tax Identification Number	45-3052669
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	15 Koch Road
Entity Address, City or Town	Corte Madera
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94925
City Area Code	415
Local Phone Number	924-1005
Title of 12(b) Security	Common Stock
Trading Symbol	RH
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		19,238,681
Entity Public Float			$ 2,188,285,246
Entity Central Index Key	0001528849
Current Fiscal Year End Date	--02-01
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false