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Debt Obligations - Additional Information (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
May 24, 2018 USD ($) | Oct. 30, 2014 USD ($) | Feb. 02, 2019 USD ($) Note | Feb. 03, 2018 USD ($) | Jan. 28, 2017 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt issuance costs |  |  | $ 243,000 | $ 190,000 |
Wrote off of unamortized debt issuance costs |  |  | 186,000 |  |
Interest and fees paid |  |  | 3,000,000 | $ 3,200,000 | $ 2,800,000
Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, amount outstanding | $ 140,000,000 |  | 42,300,000 |  |
Line of credit facility, maximum borrowing capacity | 125,000,000 |  |  |  |
Line of credit facility, potential maximum borrowing capacity | $ 50,000,000 |  |  |  |
Debt instrument interest rate | 10.00% |  |  |  |
Line of credit facility | $ 7,500,000 |  |  |  |
Unamortized debt issuance costs |  |  | 400,000 |  |
Line of credit facility, remaining borrowing capacity |  |  | 45,600,000 |  |
Line of credit facility, average monthly outstanding amount |  |  | 54,100,000 |  |
Line of credit facility, average unused excess availability |  |  | $ 37,800,000 |  |
Unused line fee |  |  | 0.25% |  |
Wrote off of unamortized debt issuance costs |  |  | $ 100,000 |  |
Credit Facility | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, amount outstanding |  |  | $ 36,000,000 |  |
Line of credit facility interest rate |  |  | 3.69% |  |
Line of credit facility, expiration date |  |  | Feb. 07, 2019 |  |
Credit Facility | Prime-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility interest rate |  |  | 5.75% |  |
Credit Facility | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument consolidated fixed coverage ratio | 100.00% |  |  |  |
Credit Facility | Minimum | Federal Funds Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate | 0.25% |  |  |  |
Credit Facility | Minimum | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate | 1.25% |  |  |  |
Credit Facility | Maximum | Federal Funds Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate | 0.50% |  |  |  |
Credit Facility | Maximum | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate | 1.50% |  |  |  |
Credit Facility | Commercial And Standby Letter Of Credits |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 20,000,000 |  |  |  |
Credit Facility | Swingline Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | 15,000,000 |  |  |  |
Credit Facility | Standby Letters of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of credit outstanding, amount |  |  | $ 2,900,000 |  |
Credit Facility | Documentary Letters of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Letters of credit outstanding, amount |  |  | 1,500,000 |  |
FILO Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 15,000,000 |  |  |  |
FILO Loan | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, amount outstanding |  |  | $ 15,000,000 |  |
Line of credit facility interest rate |  |  | 5.29% |  |
Line of credit facility, expiration date |  |  | Feb. 07, 2019 |  |
Debt Instrument, Description of Variable Rate Basis |  |  | 2-month LIBOR |  |
FILO Loan | Minimum | Federal Funds Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate |  |  | 1.75% |  |
FILO Loan | Minimum | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate |  |  | 2.75% |  |
FILO Loan | Maximum | Federal Funds Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate |  |  | 2.00% |  |
FILO Loan | Maximum | LIBOR-based Borrowings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate |  |  | 3.00% |  |
Master Agreement |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of notes entered, equipment financing | Note |  |  | 12 |  |
Notes maturity term |  |  | 48 months |  |
Master Agreement | Banc of America Leasing & Capital, LLC |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Aggregate amount of notes borrowed |  |  | $ 26,400,000 |  |
Master Agreement | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes fixed interest rate |  |  | 3.07% |  |
Master Agreement | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notes fixed interest rate |  |  | 3.50% |  |
Term Loan Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized debt issuance costs |  |  | $ 100,000 |  |
Line of credit facility, Initiation date |  |  | Oct. 30, 2014 |  |
Term Loan Facility | Term loan, due 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, basis spread on variable rate |  | 6.50% |  |  |
Debt Instrument, Description of Variable Rate Basis |  |  | one month LIBOR rate |  |
Notes fixed interest rate |  | 1.00% |  |  |
Secured term loan facility, face amount |  | $ 15,000,000 |  |  |
Secured term loan facility, effective date |  |  | Oct. 29, 2014 |  |
Debt Instrument, Interest Rate Terms |  |  | Interest on the Term Loan Facility was at a rate per annum equal to the greater of (a) 1.00% and (b) the one month LIBOR rate, plus 6.50%. |  |

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- Definition Potential to increase to maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
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- Definition Date the debt instrument was issued, in CCYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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