Credit Facilities - Narrative (Detail) - USD ($) $ in Thousands					3 Months Ended		6 Months Ended
	Sep. 20, 2019	Apr. 10, 2019	Apr. 04, 2019	Jun. 28, 2017	Aug. 01, 2020	Aug. 03, 2019	Aug. 01, 2020	Aug. 03, 2019	Feb. 01, 2020
Line of Credit Facility
Outstanding amount					$ 140,123		$ 140,123		$ 53,372
Availability under revolving line of credit for extensions of credit, percentage of sum of lesser of aggregate revolving commitments and aggregate revolving borrowing base plus lesser of outstanding LILO term loan or LILO term loan borrowing base							10.00%
Fixed charge coverage ratio, fixed amount available under revolving line of credit					40,000		$ 40,000
Availability under revolving line of credit for extensions of credit, fixed amount							$ 40,000
Fixed charge coverage ratio, percentage of sum of lesser of aggregate revolving commitments and aggregate revolving borrowing base plus lesser of outstanding LILO term loan or LILO term loan borrowing base							10.00%
Availability under revolving line of credit for extensions of credit, sweep cash to prepayment of loan description							The Credit Agreement requires a daily sweep of all cash receipts and collections to prepay the loans under the agreement while (i) an event of default exists or (ii) the availability under the revolving line of credit for extensions of credit is less than the greater of (A) $40.0 million and (B) 10% of the sum of (a) the lesser of (x) the aggregate revolving commitments under the Credit Agreement and (y) the aggregate revolving borrowing base, plus (b) the lesser of (x) the then outstanding amount of the LILO term loan or (y) the LILO term loan borrowing base.
Gain on extinguishment of debt					(152)	$ (954)	$ (152)	$ (954)
Amortization of debt issuance costs					100		300
Outstanding revolving line of credit					139,883		$ 139,883		53,062
Restoration Hardware Canada, Inc.
Line of Credit Facility
Acceleration of amortization of debt issuance costs			$ 800
Credit Agreement
Line of Credit Facility
Agreement, date							Jun. 28, 2017
Equipment Loan Facility | Maximum
Line of Credit Facility
Maturity term							4 years
Equipment Loan Facility | Minimum
Line of Credit Facility
Maturity term							3 years
Equipment Loan Facility | Other current liabilities
Line of Credit Facility
Aggregate amounts outstanding					22,200		$ 22,200
Equipment Loan Facility | Other non-current obligations
Line of Credit Facility
Aggregate amounts outstanding					26,300		26,300
Equipment Loan Facility | Other current assets
Line of Credit Facility
Deferred financing fees					2,100		2,100		2,600
Asset based credit facility
Line of Credit Facility
Outstanding amount					91,600		91,600
Repaid amount of loan							191,600	$ 214,500
Outstanding revolving line of credit					91,600		91,600
Revolving Credit Facility
Line of Credit Facility
Aggregate amounts outstanding					91,600		91,600
Line of credit					14,500		14,500
Line of Credit Facility, Remaining Borrowing Capacity					259,200		$ 259,200
Revolving Credit Facility | Credit Agreement | Scenario, Plan Subject to Satisfaction of Conditions
Line of Credit Facility
Increase in revolving line of credit				$ 200,000
Revolving Credit Facility | Credit Agreement | Maximum
Line of Credit Facility
Availability under the revolving line of credit				600,000
Line of credit				800,000
Revolving Credit Facility | Credit Agreement | Minimum
Line of Credit Facility
Line of credit				600,000
Revolving Credit Facility | Credit Agreement | Restoration Hardware Canada, Inc.
Line of Credit Facility
Availability under the revolving line of credit				10,000
FILO term loan
Line of Credit Facility
Outstanding amount			$ 120,000
Interest rate greater than interest rate under the revolving credit facility			1.25%
LILO Term Loan Facility | Credit Agreement
Line of Credit Facility
Line of credit facility, maximum borrowing capacity				$ 80,000
Second lien term loan
Line of Credit Facility
Line of credit facility, maximum borrowing capacity		$ 200,000
Line of credit facility, maturity date							Apr. 09, 2024
Repaid amount of loan	$ 200,000
Interest rate description							annual rate generally based on the LIBOR plus 6.50%
Debt instrument, basis spread on variable rate		6.50%
Variable interest rate description							one-month LIBOR plus 6.50%
Equipment promissory notes
Line of Credit Facility
2021					11,500		$ 11,500
2022					13,600		13,600
2023					1,200		1,200
Outstanding amount					48,523		48,523		53,372
Outstanding revolving line of credit					$ 48,283		$ 48,283		$ 53,062