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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Commitments and Contingencies Disclosure [Abstract] |  |  |
Standby letters of credit, liability | $ 0 | $ 0 |
SBA loans probability of future losses | $ 420,000 | $ 0 | $ 0

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- Definition SBA Recourse Reserve + References No definition available. + Details
Name: | czwi_SBARecourseReserve
Namespace Prefix: | czwi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Standby Letters Of Credit, Liability + References No definition available. + Details
Name: | czwi_StandbyLettersOfCreditLiability
Namespace Prefix: | czwi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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