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Business Segment Information - Long-Lived Assets By Geographic Area (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |
Total long-lived assets | $ 428,728 | $ 318,854
United States |  |
Segment Reporting Information [Line Items] |  |
Total long-lived assets | 332,162 | 270,613
United Kingdom |  |
Segment Reporting Information [Line Items] |  |
Total long-lived assets | 27,003 | 26,785
China |  |
Segment Reporting Information [Line Items] |  |
Total long-lived assets | 36,315 | 2,017
Other |  |
Segment Reporting Information [Line Items] |  |
Total long-lived assets | $ 33,248 | $ 19,439

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- Definition Total Long-Lived Assets + References No definition available. + Details
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Namespace Prefix: | ceco_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_GB
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=ceco_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |