Significant Accounting Policies - Impairment (Detail)	3 Months Ended	12 Months Ended
	May 02, 2020 USD ($) store	Jan. 29, 2022 USD ($)	Jan. 30, 2021 USD ($)	Feb. 01, 2020 USD ($)
Non-cash impairment charge			$ 20,459,000
Indefinite-lived intangible assets		$ 73,161,000	71,663,000
Impairment for corporate asset and other long lived assets		0	0	$ 0
Goodwill		141,100,000	141,100,000
RH Baby & Child Gallery and Waterworks Showroom
Impairment charge on long-lived assets	$ 3,500,000
Right of Use Asset | RH Baby & Child Gallery and Waterworks Showroom
Impairment charge on long-lived assets	2,000,000.0
Right of Use Asset | Incremental Selling, General and Administrative Expenses [Member] | Distribution Center and Home Delivery Location Center
Impairment charge on long-lived assets			900,000	1,300,000
Property, Plant and Equipment | RH Baby & Child Gallery and Waterworks Showroom
Impairment charge on long-lived assets	$ 1,500,000
RH Segment [Member]
Indefinite-lived intangible assets		56,161,000	54,663,000
Properties with impairment charges | store	1
Goodwill		141,100,000	141,100,000	124,367,000
RH Segment [Member] | RHCA Integration Into RH Platform [Member]
Liability for lease losses				4,600,000
Waterworks [Member]
Non-cash impairment charge		35,000,000	20,000,000
Indefinite-lived intangible assets		17,000,000	17,000,000
Properties with impairment charges | store	1
Goodwill		51,000,000
Waterworks [Member] | Tradename [Member]
Non-cash impairment charge	$ 20,000,000		20,459,000
Indefinite-lived intangible assets		17,000,000	17,000,000	37,459,000
construction expenditures
Impairment charge on long-lived assets		$ 9,600,000	$ 3,100,000	$ 9,100,000