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Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands | Oct. 01, 2022 | Jul. 01, 2022
--- | --- | ---
Statement of Cash Flows [Abstract] |  |
Noncash or Part Noncash Acquisition, Consideration Paid | $ 46,544 | $ 46,090

X
- Definition Noncash or part noncash acquisition, consideration paid. + References No definition available. + Details
Name: | civb_NoncashOrPartNoncashAcquisitionConsiderationPaid
Namespace Prefix: | civb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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