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Litigation | 6 Months Ended
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Jun. 30, 2013
Litigation [Abstract] |
Litigation |
8. | Litigation
From time to time, the Company is involved in litigation and other legal proceedings arising out of the ordinary course of its business. There are no pending material legal proceedings to which the Company is subject or to which the Company’s property is subject.

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- Details
Name: | stra_LitigationAbstract
Namespace Prefix: | stra_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The entire disclosure for legal proceedings, legal contingencies, litigation, regulatory and environmental matters and other contingencies. + References No definition available. + Details
Name: | us-gaap_LegalMattersAndContingenciesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration