Stock-Based Compensation Stock-settled Performance Share Units (Details) - Performance Share Units (PSUs) - Stock-Settled Award	6 Months Ended
Aug. 04, 2018 shares $ / shares	Jul. 29, 2017 $ / shares
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award requisite service period	3 years
Settlement at the end of vesting period	Converts to common stock (unless otherwise determined by our Board of Directors, or its Compensation Committee) ranging from zero to a maximum of twice the number of granted shares outstanding on the vesting date.
Number of shares
Outstanding at February 3, 2018	921,706
Granted	280,000
Outstanding at August 4, 2018	1,201,706
Weighted average grant date fair value (in dollars per share)
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 3.94
Maximum
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiple of the number of granted shares outstanding for issuable shares	2
Minimum
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiple of the number of granted shares outstanding for issuable shares	0
2016 Performance Share Units Granted
Number of shares
Outstanding at February 3, 2018	321,706
Outstanding at August 4, 2018	321,706
Weighted average grant date fair value (in dollars per share)
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 8.69
2017 Performance Share Units Granted
Number of shares
Outstanding at February 3, 2018	600,000
Outstanding at August 4, 2018	600,000
Weighted average grant date fair value (in dollars per share)
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 1.80	$ 1.80
2018 Performance Share Units Granted
Number of shares
Granted	280,000
Outstanding at August 4, 2018	280,000
Weighted average grant date fair value (in dollars per share)
Weighted average grant date fair value (in dollars per share) \| $ / shares	$ 3.05

Multiple of the number of granted units outstanding for calculating the number of issuable shares.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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