In transit deposits.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents gross borrowings under the revolving line of credit

+ References

No definition available.

+ Details

Name:	spwh_LineOfCreditFacilityGrossOutstandingAmount
Namespace Prefix:	spwh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents gross paydown amount under revolving line of credit

+ References

No definition available.

+ Details

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Namespace Prefix:	spwh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

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

- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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
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-Topic 210
-SubTopic 10
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+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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

- 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.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ Details

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

- Details

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- Details

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Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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Balance Type:
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=spwh_NewTermLoanMember
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Balance Type:
Period Type:

- Details

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Revolving Line Of Credit (Details) - USD ($) $ in Thousands		12 Months Ended
Revolving Line Of Credit (Details) - USD ($) $ in Thousands	May 23, 2018	Feb. 02, 2019	Feb. 03, 2018	May 22, 2018	Jan. 28, 2017
Line Of Credit Facility [Line Items]
Capitalization of fees paid	$ 1,331
Line of credit facility, amount outstanding	135,400	$ 151,341
Gross borrowings under revolving line of credit		1,023,983	$ 909,180		$ 904,518
Gross paydowns under revolving line of credit		950,143	912,792		$ 870,417
Wells Fargo Senior Secured Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	250,000			$ 150,000
Line of credit facility, amount outstanding			66,621
Amounts in depository under lock-box arrangements		$ 7,035	6,629
Weighted average interest rate on amount outstanding		4.18%
Deferred financing fees outstanding		$ 1,085	393
Amortization of deferred financing fees		$ 195	$ 131
Wells Fargo Senior Secured Revolving Credit Facility \| Federal Funds Rate
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		0.50%
Wells Fargo Senior Secured Revolving Credit Facility \| Base Rate \| Minimum
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		0.25%
Wells Fargo Senior Secured Revolving Credit Facility \| Base Rate \| Maximum
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		0.75%
Wells Fargo Senior Secured Revolving Credit Facility \| LIBOR
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		1.00%
Wells Fargo Senior Secured Revolving Credit Facility \| LIBOR \| Minimum
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		1.25%
Wells Fargo Senior Secured Revolving Credit Facility \| LIBOR \| Maximum
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)		1.75%
New Term Loan
Line Of Credit Facility [Line Items]
New term loan	$ 40,000
Amortization of deferred financing fees		$ 1,173
New Term Loan \| LIBOR
Line Of Credit Facility [Line Items]
Term loan interest rate (as a percent)	5.75%
Wells Fargo Stand-by Commercial Letters of Credit
Line Of Credit Facility [Line Items]
Net borrowing available under revolving line of credit		$ 1,705