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Summary of Significant Accounting Policies (Details) $ in Thousands | 3 Months Ended
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May 05, 2018 USD ($)
Summary of Significant Accounting Policies |
Accrued expenses on sales return liability | $ 1,054
Accrued expenses on breakage of loyalty rewards and gift cards | $ 3,521
Gift card redemption period | 2 years
Loyalty reward redemption period | 18 months

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- Definition The amount of accrued expenses on breakage of loyalty rewards and gift cards. + References No definition available. + Details
Name: | spwh_AccruedExpensesOnBreakageOfLoyaltyRewardsAndGiftCards
Namespace Prefix: | spwh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of accrued expenses relating to sales return liability on gross basis. + References No definition available. + Details
Name: | spwh_AccruedExpensesOnSalesReturnLiability
Namespace Prefix: | spwh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loyalty reward redemption period. + References No definition available. + Details
Name: | spwh_LoyaltyRewardRedemptionPeriod
Namespace Prefix: | spwh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redemption period of gift card from the date of issuance. + References No definition available. + Details
Name: | spwh_RedemptionPeriodOfGiftCard
Namespace Prefix: | spwh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration