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Summary of Operations and Significant Accounting Policies (Details)	0 Months Ended
	Oct. 05, 2012
Reorganization
Shares of common stock exchanged with preferred and common membership interests in connection with Reorganization	28,338,281

X

- Definition

Represents the shares of stock exchanged with membership interest of the entity in connection with the Reorganization.

+ References

No definition available.

+ Details

Name:	sstk_NumberOfSharesOfStockExchangedUponReorganization
Namespace Prefix:	sstk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

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