Summary of Operations and Significant Accounting Policies - Chargeback and Sales Refund Allowance (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Chargeback and sales refund allowance	$ 0.4	$ 0.4

Represents the amount of chargeback and sales refund allowance included in other liabilities at the balance sheet date.

No definition available.

Name:	sstk_ChargebackAndSalesRefundAllowance
Namespace Prefix:	sstk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant