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U.S. Regulation (Details) | Apr. 09, 2020 USD ($)
--- | ---
Regulation [Line Items] |
Education stabilization grant | $ 5,792,122
Strayer University |
Regulation [Line Items] |
Tuition grant | $ 500

X
- Definition Cares Act, Education Grant + References No definition available. + Details
Name: | stra_CaresActEducationGrant
Namespace Prefix: | stra_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Regulation line items. + References No definition available. + Details
Name: | stra_RegulationLineItems
Namespace Prefix: | stra_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tuition Grant + References No definition available. + Details
Name: | stra_TuitionGrant
Namespace Prefix: | stra_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=stra_StrayerUniversityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |