Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Feb. 01, 2014
Property Plant And Equipment [Line Items]
Property and equipment	$ 68,098	$ 44,560
Less accumulated depreciation and amortization	(18,249)	(13,066)
Property, plant and equipment, net	49,849	31,494
Furniture, fixtures, and equipment
Property Plant And Equipment [Line Items]
Property and equipment	32,237	23,953
Leasehold improvements
Property Plant And Equipment [Line Items]
Property and equipment	32,736	15,943
Construction in progress
Property Plant And Equipment [Line Items]
Property and equipment	$ 3,125	$ 4,664

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant