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v3.23.3

Securitization and Variable Interest Entities (Details) - entity | 9 Months Ended |
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Sep. 30, 2023 | Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Number of consolidated VIEs (in entities) | 7 | 6
Number of consolidated VIEs established (in entities) | 2 |
Number of consolidated VIEs exercised securitization clean up calls (in entities) | 1 |
Number of nonconsolidated entities in which investments are held | 21 | 23
Number of nonconsolidated VIEs exercised securitization clean up calls (in entities) | 1 |
Number of consolidated entities which were previous nonconsolidated | 1 |

X
- Definition Variable Interest Entity, Consolidated, Exercised Securitization Clean Up Calls, Number Of Entities + References No definition available. + Details
Name: | sofi_VariableInterestEntityConsolidatedExercisedSecuritizationCleanUpCallsNumberOfEntities
Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entity, Consolidated, Number of Entities + References No definition available. + Details
Name: | sofi_VariableInterestEntityConsolidatedNumberOfEntities
Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Variable Interest Entity, Consolidated, Number Of Entities Established + References No definition available. + Details
Name: | sofi_VariableInterestEntityConsolidatedNumberOfEntitiesEstablished
Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entity, Consolidated Previously Nonconsolidated, Number Of Entities + References No definition available. + Details
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Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entity, Nonconsolidated, Exercised Securitization Clean Up Calls, Number Of Entities + References No definition available. + Details
Name: | sofi_VariableInterestEntityNonconsolidatedExercisedSecuritizationCleanUpCallsNumberOfEntities
Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entity, Nonconsolidated, Investments Held, Number Of Entities + References No definition available. + Details
Name: | sofi_VariableInterestEntityNonconsolidatedInvestmentsHeldNumberOfEntities
Namespace Prefix: | sofi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
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Period Type: | duration