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Property and Equipment - Schedule of Cost Basis and Estimated Useful Lives of Property and Equipment (Parenthetical) (Detail) $ in Thousands | Dec. 31, 2017 USD ($)
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Property Plant And Equipment Useful Life And Values [Abstract] |
Culinary equipment cost basis | $ 0

X
- Definition Culinary equipment. + References No definition available. + Details
Name: | ceco_CulinaryEquipment
Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Property plant and equipment useful life and values. + References No definition available. + Details
Name: | ceco_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract
Namespace Prefix: | ceco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration