XML 87 R76.htm IDEA: XBRL DOCUMENT
v3.21.2

Litigation - Narratives (Details) | Oct. 05, 2021 plaintiff | Apr. 02, 2021 plaintiff | Apr. 20, 2021 borrowerDefenseApplication
--- | --- | --- | ---
Loss Contingencies [Line Items] |  |  |
Number of borrower defense applications submitted (more than) | borrowerDefenseApplication |  |  | 1,000
Number of borrower defense applications submitted received for repayment (approximately) | borrowerDefenseApplication |  |  | 500
Number of plaintiffs | plaintiff |  | 6 |
Subsequent Event |  |  |
Loss Contingencies [Line Items] |  |  |
Number of plaintiffs | plaintiff | 6 |  |

X
- Definition Number Of Borrower Defense Applications Received For Repayment + References No definition available. + Details
Name: | stra_NumberOfBorrowerDefenseApplicationsReceivedForRepayment
Namespace Prefix: | stra_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Borrower Defense Applications Submitted + References No definition available. + Details
Name: | stra_NumberOfBorrowerDefenseApplicationsSubmitted
Namespace Prefix: | stra_
Data Type: | xbrli:integerItemType
Balance Type: | na
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_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |