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RETIREMENT PLAN - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Retirement Benefits [Abstract] |  |
Employer matching contributions | $ 621 | $ 613

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- Definition Defined contribution plan employer matching contribution. + References No definition available. + Details
Name: | czwi_DefinedContributionPlanEmployerMatchingContribution
Namespace Prefix: | czwi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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