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v3.25.2

VENDOR PAYMENT ARRANGEMENT (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2025 USD ($)
Payables and Accruals [Abstract] |
Payment arrangement period | 6 months
Advance reservation fees | $ 3.3

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- Definition Payables And Accruals, Payment Arrangement Period + References No definition available. + Details
Name: | sgmo_PayablesAndAccrualsPaymentArrangementPeriod
Namespace Prefix: | sgmo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Prepaid Reservation Fees For Contract Manufacturing + References No definition available. + Details
Name: | sgmo_PrepaidReservationFeesForContractManufacturing
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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