XML 79 R63.htm IDEA: XBRL DOCUMENT v3.24.3

FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Federal Home Loan Bank Advances (Details) - USD ($)	1 Months Ended				9 Months Ended	12 Months Ended	60 Months Ended
	Apr. 30, 2027	Sep. 30, 2025	Mar. 31, 2022	Aug. 31, 2020	Sep. 30, 2024	Dec. 31, 2023	May 31, 2024	Jun. 30, 2024	Aug. 30, 2020
Summary of Federal Home Loan Bank advances
Federal Home Loan Bank advances					$ 21,000,000	$ 79,530,000
Long-term debt, gross					82,548,000	146,995,000
Banks available and unused portion of borrowing agreement					414,369,000	370,569,000
Maximum month-end amounts outstanding					81,000,000	217,530,000
Senior Notes - Variable Rate due June 2031 | Revolving Credit Facility
Summary of Federal Home Loan Bank advances
Maximum borrowing capacity					5,000,000
Advances from FHLB
Summary of Federal Home Loan Bank advances
Federal Home Loan Bank advances 2024					16,000,000	64,530,000
Federal Home Loan Bank advances 2025					5,000,000	5,000,000
Federal Home Loan Bank advances 2028					0	10,000,000
Federal Home Loan Bank advances					21,000,000	79,530,000
FHLB advances					$ 1,081,967,000	$ 1,106,267,000
Weighted-average interest rate (as a percent)					3.28%	4.16%
Advances from FHLB | Minimum
Summary of Federal Home Loan Bank advances
Range of Stated Rates, 2024 (as a percent)					1.45%	0.00%
Range of Stated Rates, 2025 (as a percent)					1.45%	1.45%
Range of Stated Rates, 2028 (as a percent)					0.00%	3.82%
Advances from FHLB | Maximum
Summary of Federal Home Loan Bank advances
Range of Stated Rates, 2024 (as a percent)					4.94%	5.45%
Range of Stated Rates, 2025 (as a percent)					1.45%	1.45%
Range of Stated Rates, 2028 (as a percent)					0.00%	3.82%
Senior Notes
Summary of Federal Home Loan Bank advances
Long-term debt, gross					$ 61,548,000	$ 67,465,000
Unamortized debt issuance costs					(452,000)	(618,000)
Senior Notes | Senior Notes due 2034
Summary of Federal Home Loan Bank advances
Long-term debt, gross					$ 12,000,000	$ 18,083,000
Senior Notes | Senior Notes due 2034 | Prime Rate
Summary of Federal Home Loan Bank advances
Basis spread on variable rate (as a percent)							0.75%
Senior Notes | Senior Notes due 2034 | Minimum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					7.25%	6.75%	3.00%
Senior Notes | Senior Notes due 2034 | Maximum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					7.75%	7.75%
Subordinated Notes
Summary of Federal Home Loan Bank advances
Long-term debt, gross					$ 50,000,000	$ 50,000,000
Subordinated Notes | Subordinated Notes due 2030
Summary of Federal Home Loan Bank advances
Long-term debt, gross					$ 15,000,000	$ 15,000,000
Subordinated Notes | Subordinated Notes due 2030 | Minimum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					6.00%	6.00%
Subordinated Notes | Subordinated Notes due 2030 | Maximum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					6.00%	6.00%
Subordinated Notes | Subordinated Notes due 2032
Summary of Federal Home Loan Bank advances
Long-term debt, gross					$ 35,000,000	$ 35,000,000
Subordinated Notes | Subordinated Notes due 2032 | Minimum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					4.75%	4.75%
Subordinated Notes | Subordinated Notes due 2032 | Maximum
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)					4.75%	4.75%
Subordinated Notes | Subordinated Notes due 2030
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)									6.00%
Debt instrument, term (in years)				5 years
Subordinated Notes | Subordinated Notes due 2030 | Secured Overnight Financing Rate (SOFR) | Forecast
Summary of Federal Home Loan Bank advances
Basis spread on variable rate (as a percent)		5.91%
Subordinated Notes | Subordinated Notes due 2032
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)			4.75%
Debt instrument, term (in years)			5 years
Subordinated Notes | Subordinated Notes due 2032 | Secured Overnight Financing Rate (SOFR) | Forecast
Summary of Federal Home Loan Bank advances
Basis spread on variable rate (as a percent)	3.29%
Federal Home Loan Bank Advances
Summary of Federal Home Loan Bank advances
Stated interest rate (as a percent)								3.82%
FHLB, term notes								$ 10,000

X

- Definition

Federal Home Loan Bank, Advances, Year Five

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearFive
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Federal Home Loan Bank, Advances, Year Five, Interest Rate

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearFiveInterestRate
Namespace Prefix:	czwi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Federal Home Loan Bank, Advances, Year Four

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearFour
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Federal Home Loan Bank, Advances, Year Four, Interest Rate

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearFourInterestRate
Namespace Prefix:	czwi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Federal Home Loan Bank, Advances, Year Three

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearThree
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Federal Home Loan Bank, Advances, Year Three, Interest Rate

+ References

No definition available.

+ Details

Name:	czwi_FederalHomeLoanBankAdvancesYearThreeInterestRate
Namespace Prefix:	czwi_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Long-term Federal Home Loan Bank Advances, Net

+ References

No definition available.

+ Details

Name:	czwi_LongtermFederalHomeLoanBankAdvancesNet
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482949/835-30-55-8

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 69C
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A

+ Details

Name:	us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of advance from Federal Home Loan Bank (FHLBank).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 470
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478878/942-470-45-1

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Par amount of advance made and reported by Federal Home Loan Bank (FHLBank) with fixed interest rate maturing after next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesFixedRateAfterOneYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank).

+ References

No definition available.

+ Details

Name:	us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_ShorttermDebtMaximumAmountOutstandingDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SeniorNotesVariableRateDueInJune2031Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_FederalReserveBankAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SeniorNotesVariableRateDueIn2034Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SubordinatedNotes6.75DueAugust2030VariableRateCommencingAugust2022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SubordinatedNotes6.00DueAugust2032VariableRateCommencingSeptember2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SubordinatedNotes600DueAugust2030VariableRateCommencingSeptember2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=czwi_SubordinatedNotes475DueMarch2032VariableRateCommencingApril2027Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: