XML 54 R45.htm IDEA: XBRL DOCUMENT v3.23.1

LOANS, ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS - Credit Quality Risk Rating (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	$ 45,250
2022	319,326
2021	463,231
2020	182,354
2019	102,179
Prior	232,593
Revolving	75,967
Revolving to Term	55
Total	1,420,955
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	42
Current period gross charge-offs, 2019	1
Current period gross charge-offs, Prior	14
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	57
Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	12,394
2022	139,074
2021	261,476
2020	98,994
2019	74,718
Prior	130,597
Revolving	7,432
Revolving to Term	0
Total	724,685
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	10,263
2022	24,614
2021	18,180
2020	8,219
2019	5,895
Prior	21,649
Revolving	1,886
Revolving to Term	0
Total	90,706
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	32
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	32
Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	1,263
2022	41,882
2021	88,727
2020	47,028
2019	8,832
Prior	19,954
Revolving	0
Revolving to Term	0
Total	207,686
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	10,551
2022	39,920
2021	49,670
2020	9,022
2019	121
Prior	1,045
Revolving	3,959
Revolving to Term	0
Total	114,288
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	2,852
2022	34,888
2021	31,782
2020	14,152
2019	8,609
Prior	5,605
Revolving	32,529
Revolving to Term	0
Total	130,417
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	435
2022	4,022
2021	2,740
2020	990
2019	750
Prior	2,958
Revolving	12,273
Revolving to Term	0
Total	24,168
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	6,982
2022	32,697
2021	9,481
2020	3,065
2019	2,545
Prior	40,790
Revolving	14,144
Revolving to Term	55
Total	109,759
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	14
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	14
Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	3,206
Revolving to Term	0
Total	3,206
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	9,313
Revolving	0
Revolving to Term	0
Total	9,313
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	0
Current period gross charge-offs, 2019	0
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	0
Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	510
2022	2,229
2021	1,175
2020	884
2019	709
Prior	682
Revolving	538
Revolving to Term	0
Total	6,727
Current period gross charge-offs, 2023	0
Current period gross charge-offs, 2022	0
Current period gross charge-offs, 2021	0
Current period gross charge-offs, 2020	10
Current period gross charge-offs, 2019	1
Current period gross charge-offs, Prior	0
Current period gross charge-offs, Revolving	0
Current period gross charge-offs, Revolving to Term	0
Current period gross charge-offs, Total	11
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	12,394
2022	138,884
2021	260,942
2020	94,027
2019	74,434
Prior	123,651
Revolving	7,419
Revolving to Term	0
Total	711,751
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	10,263
2022	24,209
2021	17,372
2020	8,216
2019	5,793
Prior	19,651
Revolving	1,886
Revolving to Term	0
Total	87,390
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	1,263
2022	41,882
2021	88,727
2020	47,028
2019	8,832
Prior	19,954
Revolving	0
Revolving to Term	0
Total	207,686
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	10,551
2022	39,920
2021	49,670
2020	9,022
2019	121
Prior	951
Revolving	3,959
Revolving to Term	0
Total	114,194
Risk rating 1 to 5 | C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	2,852
2022	34,888
2021	31,344
2020	14,152
2019	8,607
Prior	5,567
Revolving	32,509
Revolving to Term	0
Total	129,919
Risk rating 1 to 5 | C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	435
2022	3,471
2021	1,555
2020	990
2019	714
Prior	2,685
Revolving	12,124
Revolving to Term	0
Total	21,974
Risk rating 1 to 5 | Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	6,982
2022	32,697
2021	9,458
2020	3,065
2019	2,531
Prior	38,069
Revolving	14,087
Revolving to Term	0
Total	106,889
Risk rating 1 to 5 | Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	3,206
Revolving to Term	0
Total	3,206
Risk rating 1 to 5 | Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	9,277
Revolving	0
Revolving to Term	0
Total	9,277
Risk rating 1 to 5 | Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	502
2022	2,229
2021	1,175
2020	884
2019	709
Prior	676
Revolving	536
Revolving to Term	0
Total	6,711
Risk rating 6 | Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	337
2019	0
Prior	5,429
Revolving	0
Revolving to Term	0
Total	5,766
Risk rating 6 | Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	537
Revolving	0
Revolving to Term	0
Total	537
Risk rating 6 | Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 6 | Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 6 | C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	1
Prior	0
Revolving	20
Revolving to Term	0
Total	21
Risk rating 6 | C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	30
2021	0
2020	0
2019	0
Prior	132
Revolving	149
Revolving to Term	0
Total	311
Risk rating 6 | Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 6 | Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 6 | Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 6 | Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 7 | Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	190
2021	534
2020	4,630
2019	284
Prior	1,517
Revolving	13
Revolving to Term	0
Total	7,168
Risk rating 7 | Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	405
2021	808
2020	3
2019	102
Prior	1,461
Revolving	0
Revolving to Term	0
Total	2,779
Risk rating 7 | Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 7 | Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	94
Revolving	0
Revolving to Term	0
Total	94
Risk rating 7 | C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	438
2020	0
2019	1
Prior	38
Revolving	0
Revolving to Term	0
Total	477
Risk rating 7 | C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	521
2021	1,185
2020	0
2019	36
Prior	141
Revolving	0
Revolving to Term	0
Total	1,883
Risk rating 7 | Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	23
2020	0
2019	14
Prior	2,721
Revolving	57
Revolving to Term	55
Total	2,870
Risk rating 7 | Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 7 | Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	36
Revolving	0
Revolving to Term	0
Total	36
Risk rating 7 | Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	8
2022	0
2021	0
2020	0
2019	0
Prior	6
Revolving	2
Revolving to Term	0
Total	16
Risk rating 8 | Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 8 | Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Commercial/Agricultural Real Estate | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Commercial/Agricultural Real Estate | Agricultural real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Commercial/Agricultural Real Estate | Multi-family real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Commercial/Agricultural Real Estate | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | C&I/Agricultural operating | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | C&I/Agricultural operating | Agricultural operating
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Residential Mortgage | Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Residential Mortgage | Purchased HELOC loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Consumer Installment | Originated indirect paper
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	0
Risk rating 9 | Consumer Installment | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Revolving to Term	0
Total	$ 0

X

- Definition

Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Loss, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Originated, More Than Five Years Before Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff

+ References

No definition available.

+ Details

Name:	czwi_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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

No definition available.

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of revolving financing receivable converted to term loan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6A
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120270059-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

+ Details

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

X

- Definition

Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 3B
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919232-210447

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

+ Details

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

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=czwi_CommercialAgriculturalRealEstatePortfolioSegmentMember
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=czwi_AgriculturalRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_MultifamilyRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_ConstructionandLandDevelopmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=czwi_CIAgriculturalOperatingPortfolioSegmentMember
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=czwi_AgriculturalOperatingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=czwi_ResidentialMortgagePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_ResidentialMortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=czwi_ConsumerInstallmentPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=czwi_OriginatedIndirectPaperMember
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:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_UnlikelyToBeCollectedFinancingReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: