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Basis of Presentation - Additional Information (Detail) | 9 Months Ended
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Sep. 30, 2015 Segment Cmp
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Number of reporting segments | 3
Number of campuses completed teach out activities | Cmp | 1

X
- Definition The number of campuses which completed their teach-out activities for the reporting period. + References No definition available. + Details
Name: | ceco_NumberOfCampusesWhichCompletedTeachOut
Namespace Prefix: | ceco_
Data Type: | xbrli:positiveIntegerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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