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Debt Instrument, Debt Default Threshold, Ratio Of Senior Secured Indebtedness To EBITDA

No definition available.

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Debt Instrument, Debt Default Threshold, Ratio of Total Indebtedness To EBITDA

No definition available.

Name:	sfly_DebtInstrumentDebtDefaultThresholdRatioOfTotalIndebtednessToEbitda
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Additional borrowing capacity amount available subject to certain conditions that can be used as a part of the line of credit facility.

No definition available.

Name:	sfly_LineOfCreditFacilityAdditionalBorrowingCapacity
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total period of time for a line of credit agreement.

No definition available.

Name:	sfly_LineofCreditAgreementTerm
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Line of Credit Facility, Original Borrowing Capacity

No definition available.

Name:	sfly_LineofCreditFacilityOriginalBorrowingCapacity
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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

No definition available.

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
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Data Type:	num:percentItemType
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Period Type:	duration

- References

No definition available.

Name:	us-gaap_LineOfCreditFacilityAbstract
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Data Type:	xbrli:stringItemType
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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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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