Recently Issued Accounting Standards - Summary of Impact of Adopting ASU Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019	Aug. 04, 2018	May 05, 2018	Feb. 03, 2018
Current assets:
Cash and cash equivalents	$ 11,555		$ 5,803	$ 22,199		$ 17,907
Accounts receivable-net	44,287		40,224
Merchandise inventories	480,688		531,947
Asset held for sale	21,795		21,795
Prepaid expense and other current assets	99,297		104,198
Total current assets	657,622		703,967
Property and equipment-net	950,594		952,957
Operating lease right-of-use assets	421,001		440,504
Goodwill	124,370		124,379
Tradenames, trademarks and domain names	86,022		86,022
Deferred tax assets	35,946		35,603
Other non-current assets	112,253		79,586
Total assets	2,387,808		2,423,018
Current liabilities:
Accounts payable and accrued expenses	289,713		320,497
Deferred revenue and customer deposits	165,511		152,595
Operating lease liabilities	57,162		66,249
Other current liabilities	131,883		109,456
Total current liabilities	924,957		992,586
Asset based credit facility	524,975		57,500
Non-current operating lease liabilities	415,803		437,557
Non-current finance lease liabilities	433,591		421,245
Other non-current obligations	30,148		32,512
Total liabilities	2,565,726		2,461,708
Stockholders' deficit:
Preferred stock
Common stock	2		2
Additional paid-in capital	355,010		356,422
Accumulated other comprehensive loss	(2,780)		(2,333)
Accumulated deficit	(530,150)		(392,538)
Treasury stock			(243)
Total stockholders' deficit	(177,918)	$ (247,373)	(38,690)	141,509	$ 5,226	(8,155)
Total liabilities and stockholders' deficit	2,387,808		2,423,018
Convertible senior notes due 2019
Current liabilities:
Convertible senior notes due-net			343,789
Convertible senior notes due 2020
Current liabilities:
Convertible senior notes due-net	280,688
Convertible senior notes due-net			271,157
Convertible senior notes due 2023
Current liabilities:
Convertible senior notes due-net	$ 257,766		249,151
As Reported
Stockholders' deficit:
Additional paid-in capital				944,600
Accumulated deficit			(376,800)	223,500		$ 152,400
Treasury stock				$ (1,020,100)
Accounting Standards Update 2016-02 | As Reported
Current assets:
Cash and cash equivalents			5,803
Accounts receivable-net			40,224
Merchandise inventories			531,947
Prepaid expense and other current assets			104,719
Total current assets			682,693
Property and equipment-net			863,562
Goodwill			124,379
Tradenames, trademarks and domain names			86,022
Deferred tax assets			30,033
Other non-current assets			19,345
Total assets			1,806,034
Current liabilities:
Accounts payable and accrued expenses			320,441
Deferred revenue and customer deposits			152,595
Other current liabilities			101,347
Total current liabilities			918,172
Asset based credit facility			57,500
Financing obligations under build-to-suit lease transactions			228,928
Deferred rent and lease incentives			53,742
Other non-current obligations			50,346
Total liabilities			1,828,996
Stockholders' deficit:
Preferred stock
Common stock			2
Additional paid-in capital			356,422
Accumulated other comprehensive loss			(2,333)
Accumulated deficit			(376,810)
Treasury stock			(243)
Total stockholders' deficit			(22,962)
Total liabilities and stockholders' deficit			1,806,034
Accounting Standards Update 2016-02 | As Reported | Convertible senior notes due 2019
Current liabilities:
Convertible senior notes due-net			343,789
Accounting Standards Update 2016-02 | As Reported | Convertible senior notes due 2020
Current liabilities:
Convertible senior notes due-net			271,157
Accounting Standards Update 2016-02 | As Reported | Convertible senior notes due 2023
Current liabilities:
Convertible senior notes due-net			249,151
Accounting Standards Update 2016-02 | Adjustment
Current assets:
Asset held for sale			21,795
Prepaid expense and other current assets			(521)
Total current assets			21,274
Property and equipment-net			89,395
Operating lease right-of-use assets			440,504
Deferred tax assets			5,570
Other non-current assets			60,241
Total assets			616,984
Current liabilities:
Accounts payable and accrued expenses			56
Operating lease liabilities			66,249
Other current liabilities			8,109
Total current liabilities			74,414
Financing obligations under build-to-suit lease transactions			(228,928)
Deferred rent and lease incentives			(53,742)
Non-current operating lease liabilities			437,557
Non-current finance lease liabilities			421,245
Other non-current obligations			(17,834)
Total liabilities			632,712
Stockholders' deficit:
Preferred stock
Accumulated deficit			(15,728)
Total stockholders' deficit			(15,728)
Total liabilities and stockholders' deficit			$ 616,984