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Revenue Recognition (Details) $ in Thousands	6 Months Ended
	Aug. 03, 2019 USD ($)
Revenue Recognition
Gift card historical breakage (as a percent)	3.00%
Gift card escheat liability	$ 0
Redemption period	2 years
Breakage of loyalty reward (as a percent)	35.00%
Loyalty reward escheat liability	$ 0

X

- Definition

The amount of gift card escheat liability.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of loyalty reward escheat liability.

+ References

No definition available.

+ Details

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

X

- Definition

Percentage of breakage of loyalty reward.

+ References

No definition available.

+ Details

Name:	spwh_PercentageOfBreakageOfLoyaltyReward
Namespace Prefix:	spwh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of gift card historical breakage.

+ References

No definition available.

+ Details

Name:	spwh_PercentageOfGiftCardHistoricalBreakage
Namespace Prefix:	spwh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The period over which we have to redeemed.

+ References

No definition available.

+ Details

Name:	spwh_RedemptionPeriod
Namespace Prefix:	spwh_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration