Significant Accounting Policies - Additional Information (Detail)		2 Months Ended	3 Months Ended									6 Months Ended	12 Months Ended			24 Months Ended
	Feb. 04, 2018 USD ($)	May 05, 2018 USD ($)	Feb. 02, 2019 USD ($)	Nov. 03, 2018 USD ($)	Aug. 04, 2018 USD ($)	May 05, 2018 USD ($)	Feb. 03, 2018 USD ($)	Oct. 28, 2017 USD ($)	Jul. 29, 2017 USD ($)	Apr. 29, 2017 USD ($)	Jan. 28, 2017 USD ($)	Aug. 04, 2018 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)	Jan. 28, 2017 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018 CAD ($)	Jan. 30, 2016 USD ($)
Summary Of Accounting Policies [Line Items]
Cash and cash equivalents liquid investments, maturity date													90 days or less
Cash and cash equivalent, FDIC insured amount			$ 250,000										$ 250,000			$ 250,000
Cash and cash equivalent, CDIC insured amount																	$ 100,000
Allowance for doubtful accounts			1,900,000				$ 1,800,000						1,900,000	$ 1,800,000		1,900,000
Inventory reserve balances			30,700,000				31,400,000						30,700,000	31,400,000		30,700,000
Advertising expense													97,000,000	106,600,000	$ 79,800,000
Capitalized catalog costs and other current assets			16,178,000				44,122,000						16,178,000	44,122,000		16,178,000
Capitalized Interest													3,100,000	3,300,000	2,400,000
Capitalized interest related to amortization of Convertible Notes debt discount													$ 2,700,000	2,500,000	2,400,000
Threshold for determining whether land rent expense is to be recorded for a Capital Lease													25.00%
Indefinite-lived intangible assets			86,022,000				100,663,000						$ 86,022,000	100,663,000		86,022,000
Impairment charge on long-lived assets													0	0	0
Additional impairment for corporate assets and other long-lived assets													0	0	0
Liability for lease losses			9,815,000				7,100,000				$ 3,188,000		$ 9,815,000	7,100,000	3,188,000	9,815,000
Sale price of aircraft										$ 5,200,000
Costs incurred in disposal of asset										300,000
Revenue recognized on membership period													1 year
Customer deposits													50.00%
Revenue recognition, gift cards, breakage													$ 1,500,000	3,000,000	$ 3,000,000
Liabilities related to health care coverage			2,000,000				2,700,000						2,000,000	2,700,000		2,000,000
Liabilities related to workers' compensation			3,300,000				3,300,000						$ 3,300,000	$ 3,300,000		3,300,000
U.S. corporate income tax rate													21.00%	33.70%	35.00%
Tax act, provisional income tax expense														$ 7,000,000
Tax act, provisional income tax expense, remeasurement of net deferred tax assets														6,000,000
Tax act, provisional income tax expense, estimate of transition tax														1,000,000
Gift card liabilities			17,192,000				24,138,000						$ 17,192,000	24,138,000		17,192,000
Deferred revenue, revenue recognized													21,600,000
Gift card breakage													1,500,000
Net revenue recognized			670,891,000	$ 636,558,000	$ 640,798,000	$ 557,406,000	670,295,000	$ 592,473,000	$ 615,326,000	$ 562,080,000			2,505,653,000	2,440,174,000	$ 2,134,871,000
Reclassification of deferred rent and lease incentives related to operating leases to ROU assets			48,000,000				48,900,000						48,000,000	48,900,000		48,000,000
Increase in loss on extinguishment of debt, operating activities														3,000,000
Cash and cash equivalents and restricted cash equivalents			5,803,000				25,314,000				115,067,000		5,803,000	25,314,000	115,067,000	5,803,000		$ 346,851,000
Increase (decrease) in prepaid expense and other assets													78,454,000	(44,252,000)	35,222,000
Term Loan [Member]
Summary Of Accounting Policies [Line Items]
Increase in repayments under term loans, financing activities														3,000,000
Stores [Member]
Summary Of Accounting Policies [Line Items]
Net revenue recognized													1,412,100,000
Direct Sales [Member]
Summary Of Accounting Policies [Line Items]
Net revenue recognized													$ 1,093,500,000
Gift Card and Merchandise Credit [Member]
Summary Of Accounting Policies [Line Items]
Percentage of remaining revenue recognized on gift card and merchandise credit													70.00%
Accounting Standards Update 2014-09 [Member]
Summary Of Accounting Policies [Line Items]
Right of return for asset merchandise			5,900,000										$ 5,900,000			5,900,000
Tax adjustment to retained earnings													6,600,000
Accounting Standards Update 2014-09 [Member] | Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Summary Of Accounting Policies [Line Items]
Decrease to cumulative effect adjustment of retained earnings	$ (21,000,000)
Capitalized catalog cost							37,800,000							37,800,000
Gift card liabilities	6,000,000
Deferred membership revenue	3,800,000
Deferred revenue	$ 1,300,000
Net revenue recognized													(9,868,000)
Accounting Standards Update 2016-18 [Member]
Summary Of Accounting Policies [Line Items]
Cash and cash equivalents and restricted cash equivalents							7,400,000				28,000,000			7,400,000	28,000,000			$ 15,400,000
Increase in capital expenditures														33,700,000	12,400,000
Decrease in construction related deposits, investing activities														(14,400,000)	(23,400,000)
Increase (decrease) in prepaid expense and other assets														1,300,000	(1,600,000)
Distribution Center Closures [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses			2,177,000				2,585,000						2,177,000	2,585,000		2,177,000
RHCA Integration Into RH Platform [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses											3,200,000				3,200,000
Restructuring related costs impact to selling, general and administrative expenses											10,600,000
Inventory impairment											2,700,000
Other associated costs											300,000
Restructuring related costs impact to cost of goods sold											1,100,000
RHCA Integration Into RH Platform [Member] | Distribution Center Closures [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses			2,200,000					2,100,000					2,200,000			2,200,000
Employee termination benefits								900,000					200,000
Restructuring related costs impact to selling, general and administrative expenses								3,000,000					2,600,000
Decrease in lease loss liability						$ 1,200
RH Segment [Member]
Summary Of Accounting Policies [Line Items]
Impairment to goodwill													0	0	0
Impairment to tradename and domain names													0	0	0
Indefinite-lived intangible assets			48,563,000				48,563,000				48,524,000		48,563,000	48,563,000	48,524,000	48,563,000
Net revenue recognized													2,375,472,000	2,319,332,000	2,060,044,000
RH Segment [Member] | Selling, General and Administrative Expenses [Member]
Summary Of Accounting Policies [Line Items]
Impairment charge, reclassified											4,800,000
RH Segment [Member] | RHCA Integration Into RH Platform [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses				3,400,000			4,400,000							4,400,000
Waterworks [Member]
Summary Of Accounting Policies [Line Items]
Impairment to goodwill			17,400,000				33,700,000						$ 17,445,000	$ 33,700,000		51,100,000
Percentage of estimated fair value towards income approach													80.00%	80.00%
Percentage of estimated fair value towards market approach													20.00%	20.00%
Impairment to tradename and domain names													$ 14,641,000	$ 0
Percentage of fair value of tradename in excess of book value														26.00%
Indefinite-lived intangible assets			37,459,000				52,100,000				52,100,000		37,459,000	$ 52,100,000	52,100,000	37,459,000
Net revenue recognized													130,181,000	$ 120,842,000	$ 74,827,000
Waterworks [Member] | Tradename [Member]
Summary Of Accounting Policies [Line Items]
Impairment to tradename and domain names		$ 0		$ 0	$ 0
Indefinite-lived intangible assets			37,500,000										37,500,000			37,500,000
Maximum [Member]
Summary Of Accounting Policies [Line Items]
U.S. corporate income tax rate														35.00%
Reclassification from leasehold improvement to ROU assets			300,000,000				250,000,000						300,000,000	$ 250,000,000		300,000,000
Minimum [Member]
Summary Of Accounting Policies [Line Items]
Reclassification from leasehold improvement to ROU assets			250,000,000				200,000,000						$ 250,000,000	200,000,000		250,000,000
Computer Software [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Property and Equipment, Useful Life													10 years
Computer Software [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Property and Equipment, Useful Life													3 years
Capitalized Property and Equipment [Member] | RHCA Integration Into RH Platform [Member]
Summary Of Accounting Policies [Line Items]
Restructuring related costs, including loss on disposal											$ 5,500,000
Capitalized Property and Equipment [Member] | RHCA Integration Into RH Platform [Member] | Distribution Center Closures [Member]
Summary Of Accounting Policies [Line Items]
Restructuring related costs, including loss on disposal								$ 2,100,000					$ 200,000
Other Current Liabilities [Member]
Summary Of Accounting Policies [Line Items]
Product recall accrual			7,800,000				1,200,000						7,800,000	1,200,000		7,800,000
Other Non-Current Obligations [Member] | RHCA Integration Into RH Platform [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses			9,800,000				7,100,000						9,800,000	7,100,000		9,800,000
Other Non-Current Obligations [Member] | RHCA Integration Into RH Platform [Member] | Distribution Center Closures [Member]
Summary Of Accounting Policies [Line Items]
Liability for lease losses			$ 2,200,000				$ 2,600,000						$ 2,200,000	2,600,000		$ 2,200,000
Overstatement of Treasury Stock [Member]
Summary Of Accounting Policies [Line Items]
Revision due to prior year misstatement in current year financial statements, amount		19,500,000										$ 19,500,000		19,500,000
Overstatement of Additional Paid-in Capital [Member]
Summary Of Accounting Policies [Line Items]
Revision due to prior year misstatement in current year financial statements, amount		$ 19,500,000										$ 19,500,000		$ 19,500,000