XML 80 R70.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Regulation (Details) | Sep. 30, 2022 university educational_institution | Jul. 31, 2021 USD ($) | Jun. 30, 2021 USD ($) | Jan. 31, 2021 USD ($) | Apr. 09, 2020 USD ($)
--- | --- | --- | --- | --- | ---
AUSTRALIA |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Number of operating post-secondary educational institutions | educational_institution | 2 |  |  |  |
Number of universities operated | university | 1 |  |  |  |
Number of universities in country | university | 44 |  |  |  |
Strayer University |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
Education stabilization grant |  |  |  |  | $ 5,792,122
Tuition grant |  |  |  |  | $ 500
American Rescue Plan Act of 2021, grant |  | $ 2,554,682 |  |  |
Consolidation Appropriations Act of 2021, eligible grant |  |  |  | $ 5,831,606 |
Capella University |  |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |  |
American Rescue Plan Act of 2021, grant |  |  | $ 184,323 |  |
Consolidation Appropriations Act of 2021, eligible grant |  |  |  | $ 328,602 |

X
- Definition American Rescue Plan Act Of Two Thousand Twenty One, Grant + References No definition available. + Details
Name: | stra_AmericanRescuePlanActOfTwoThousandTwentyOneGrant
Namespace Prefix: | stra_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Consolidation Appropriations Act of 2021, Direct Grant + References No definition available. + Details
Name: | stra_ConsolidationAppropriationsActOf2021DirectGrant
Namespace Prefix: | stra_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of Operating Post-Secondary Educational Institutions + References No definition available. + Details
Name: | stra_NumberOfOperatingPostSecondaryEducationalInstitutions
Namespace Prefix: | stra_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Universities In Country + References No definition available. + Details
Name: | stra_NumberOfUniversitiesInCountry
Namespace Prefix: | stra_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number Of Universities Operated + References No definition available. + Details
Name: | stra_NumberOfUniversitiesOperated
Namespace Prefix: | stra_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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
- 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_UnusualOrInfrequentItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_StatementGeographicalAxis=country_AU
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=stra_CapellaUniversityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |