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Senior Debt - Summary of Debt (Parenthetical) (Detail) | 9 Months Ended
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Sep. 30, 2018
Term Loan [Member] |
Debt Instrument [Line Items] |
Term loans, year of maturity | 2020-09

X
- Definition Debt instruments maturity month year. + References No definition available. + Details
Name: | cece_DebtInstrumentsMaturityMonthYear
Namespace Prefix: | cece_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_CreditFacilityAxis=cece_SeniorSecuredTermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |