Credit Facilities - Additional Information (Detail)					3 Months Ended
	May 04, 2019 USD ($)	Apr. 10, 2019 USD ($)	Apr. 04, 2019 USD ($)	Jun. 28, 2017 USD ($)	May 04, 2019 USD ($)	Feb. 02, 2019 USD ($)
Line of Credit Facility
Outstanding amount	$ 379,016,000				$ 379,016,000	$ 57,500,000
Revolving line of credit borrowing base, net of reserved amount for upcoming repayment, 2019 notes			$ 40,000,000
Minimum percentage of aggregate revolving commitments			$ 10
Minimum fixed charge coverage ratio			1
Outstanding revolving line of credit	374,871,000				$ 374,871,000	$ 57,500,000
Credit Agreement
Line of Credit Facility
Agreement, date					Jun. 28, 2017
Minimum leverage ratio		1.00
Maximum leverage ratio		3.50
EBITDA to debt service coverage ratio		1.00
Equipment Loan Facility
Line of Credit Facility
Aggregate amounts outstanding	$ 59,000,000				$ 59,000,000
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	$ 18,400,000				18,400,000
Equipment Loan Facility | Other non-current obligations
Line of Credit Facility
Aggregate amounts outstanding	40,600,000				40,600,000
Revolving Credit Facility
Line of Credit Facility
Availability under the revolving line of credit	139,400,000				139,400,000
Revolving line of credit borrowing base, net of reserved amount for upcoming repayment, 2019 notes	285,000,000				285,000,000
Outstanding revolving line of credit	0				0
Outstanding letters of credit	12,800,000				12,800,000
Revolving Credit Facility | Credit Agreement | Scenario, Plan Subject to Satisfaction of Conditions
Line of Credit Facility
Increase in revolving line of credit				$ 200,000,000
Revolving Credit Facility | Credit Agreement | Maximum
Line of Credit Facility
Availability under the revolving line of credit				600,000,000
Revolving Credit Facility | Credit Agreement | Maximum | Scenario, Plan Subject to Satisfaction of Conditions
Line of Credit Facility
Line of credit				800,000,000
Revolving Credit Facility | Credit Agreement | Minimum
Line of Credit Facility
Line of credit				600,000,000
Revolving Credit Facility | Credit Agreement | Restoration Hardware Canada, Inc.
Line of Credit Facility
Availability under the revolving line of credit				10,000,000
FILO term loan
Line of Credit Facility
Outstanding amount	120,000,000		$ 120,000,000		120,000,000
Interest rate greater than interest rate under the revolving credit facility			1.25%
Outstanding revolving line of credit	119,065,000				119,065,000
LILO Term Loan Facility | Credit Agreement
Line of Credit Facility
Line of credit facility, maximum borrowing capacity				$ 80,000,000
Line of credit facility, maturity date				Jun. 28, 2022
Second lien term loan
Line of Credit Facility
Availability under the revolving line of credit	0				$ 0
Line of credit facility, maximum borrowing capacity		$ 200,000,000
Line of credit facility, maturity date					Apr. 09, 2024
Outstanding amount	200,000,000				$ 200,000,000
Outstanding revolving line of credit	$ 197,140,000				$ 197,140,000
Interest rate description					annual rate generally based on the London Inter-bank Offered Rate ("LIBOR") plus 6.50%
Debt instrument, basis spread on variable rate		6.50%
Variable interest rate description					one-month LIBOR plus 6.50%
Prepayment premium prepaid during the first year after the effective date of agreement		2.00%
Prepayment premium prepaid during the second year after the effective date of agreement		1.00%