XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.25.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Other-Than-Insignificant Payment Delay | Commercial real estate |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis | $ 322 |  | $ 1,504 |
% of Total Class of Financing Receivables | 0.05% |  | 0.21% |
Other-Than-Insignificant Payment Delay | Residential mortgage |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis | $ 120 | $ 82 | $ 275 | $ 151
% of Total Class of Financing Receivables | 0.09% | 0.06% | 0.21% | 0.12%
Other-Than-Insignificant Payment Delay | Commercial and industrial |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 801 |
% of Total Class of Financing Receivables |  |  | 0.73% |
Other-Than-Insignificant Payment Delay | Other consumer |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 2 |
% of Total Class of Financing Receivables |  |  | 0.04% |
Term Extension | Commercial real estate |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  | $ 2,300 |  | $ 4,564
% of Total Class of Financing Receivables |  | 1.80% |  | 0.61%
Term Extension | Residential mortgage |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 19 |
% of Total Class of Financing Receivables |  |  | 0.01% |
Term Extension | Commercial and industrial |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 745 | $ 2,300
% of Total Class of Financing Receivables |  |  | 0.68% | 1.80%
Term Extension | Agricultural operating |  |  |  |
Financing Receivable, Modified [Line Items] |  |  |  |
Amortized cost basis |  |  | $ 191 |
% of Total Class of Financing Receivables |  |  | 0.65% |

X
- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestModifiedPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | czwi_FinancingReceivableTermAxis=czwi_FinancingReceivableOtherThanInsignificantPaymentDelayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_CommercialandIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | czwi_FinancingReceivableTermAxis=czwi_FinancingReceivableTermExtensionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_AgriculturalOperatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |