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v3.22.0.1

Related Parties - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transactions [Abstract] |  |  |
Operating lease payments to related parties | $ 2.3 | $ 2.2 | $ 2.4

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- Definition Operating lease payments to related parties. + References No definition available. + Details
Name: | cbz_OperatingLeasePaymentsToRelatedParties
Namespace Prefix: | cbz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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