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Income Taxes - Schedule of Valuation Allowance Release (Recapture) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2022 | Dec. 31, 2021 | Jan. 01, 2021
Income Tax Disclosure [Abstract] |  |  |
Balance at beginning of period | $ (51,794) | $ (42,502) | $ (37,007)
Release (recapture) due to incremental cash tax savings | 829 | (845) | 495
Current year change due to deferred tax asset realization | 14,956 | (8,447) | (5,990)
Balance at end of period | $ (36,009) | $ (51,794) | $ (42,502)

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- Definition Valuation allowance current year change due to deferred tax asset realization. + References No definition available. + Details
Name: | staa_ValuationAllowanceCurrentYearChangeDueToDeferredTaxAssetRealization
Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Valuation allowance release recapture due to incremental cash tax savings. + References No definition available. + Details
Name: | staa_ValuationAllowanceReleaseRecaptureDueToIncrementalCashTaxSavings
Namespace Prefix: | staa_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_DeferredTaxAssetsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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