XML 49 R36.htm IDEA: XBRL DOCUMENT
v3.21.2

MAJOR CUSTOMERS, PARTNERSHIPS AND STRATEGIC ALLIANCES - Novartis Institutes for BioMedical Research, Inc. (Detail) - Novartis Institutes for BioMedical Research, Inc. - Collaboration And License Agreement - USD ($) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jul. 27, 2020 | Aug. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |
Proceeds from collaborators |  | $ 75,000,000 |  |  |  |  | $ 75,000,000
Collaborative arrangement transaction price | $ 95,100,000 |  |  |  |  |  |
License fee | 75,000,000 |  |  |  |  |  |
Collaborative arrangement estimated reimbursable service costs | 20,100,000 |  |  |  |  |  |
Deferred revenue |  |  | $ 48,000,000 |  | $ 48,000,000 |  | 70,900,000
Financial advisory fees |  |  |  |  |  |  | $ 1,500,000
Percent of initial recognition |  |  |  |  |  |  | 2.00%
Amortization |  |  | $ 200,000 | $ 0 | $ 500,000 | $ 0 |
Achievement Of Specified Preclinical Development Clinical Development And First Commercial Sale Milestones |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |
Development and sales-based milestone payments to be received | 420,000,000 |  |  |  |  |  |
Achievement Of Commercial Milestones |  |  |  |  |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |
Development and sales-based milestone payments to be received | $ 300,000,000 |  |  |  |  |  |

X
- Definition Collaboration Arrangement, Commission Fee, Portion Of Gross Proceeds, Value + References No definition available. + Details
Name: | sgmo_CollaborationArrangementCommissionFeePortionOfGrossProceedsValue
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Collaborative Agreement, Percent Of Initial Recognition + References No definition available. + Details
Name: | sgmo_CollaborativeAgreementPercentOfInitialRecognition
Namespace Prefix: | sgmo_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Collaborative arrangement estimated reimbursable service costs. + References No definition available. + Details
Name: | sgmo_CollaborativeArrangementEstimatedReimbursableServiceCosts
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Collaborative Arrangement, License Fee + References No definition available. + Details
Name: | sgmo_CollaborativeArrangementLicenseFee
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Collaborative arrangement transaction price. + References No definition available. + Details
Name: | sgmo_CollaborativeArrangementTransactionPrice
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Customer contract liability milestone payment eligible to receive. + References No definition available. + Details
Name: | sgmo_CustomerContractLiabilityMilestonePaymentEligibleToReceive
Namespace Prefix: | sgmo_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSoldAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash received from collaborators during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
Name: | us-gaap_ProceedsFromCollaborators
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=sgmo_NovartisInstitutesForBioMedicalResearchIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=sgmo_CollaborationAndLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=sgmo_AchievementOfSpecifiedPreclinicalDevelopmentClinicalDevelopmentAndFirstCommercialSaleMilestonesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersByTypeAxis=sgmo_AchievementOfCommercialMilestonesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |