XML 64 R44.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality Risk Rating (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | $ 66,969 | $ 190,301
Year two | 193,931 | 313,863
Year three | 286,983 | 420,211
Year four | 381,490 | 172,168
Year five | 158,090 | 93,413
Prior | 254,541 | 201,004
Revolving | 86,584 | 69,766
Revolving to Term | 0 | 66
Total loans receivable | 1,428,588 | 1,460,792
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 2
Current period gross charge-offs, Year three | 3 | 21
Current period gross charge-offs, Year four | 1 | 43
Current period gross charge-offs, Year five | 0 | 3
Current period gross charge-offs, Prior | 10 | 91
Current period gross charge-offs, Revolving | 3 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 17 | 160
Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 27,366 | 73,898
Year two | 80,583 | 134,279
Year three | 133,524 | 249,497
Year four | 220,433 | 95,429
Year five | 92,813 | 71,287
Prior | 161,540 | 113,853
Revolving | 10,911 | 10,204
Revolving to Term | 0 | 0
Total loans receivable | 727,170 | 748,447
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 10
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 4
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 14
Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 2,673 | 16,335
Year two | 11,964 | 19,557
Year three | 18,050 | 16,991
Year four | 16,395 | 7,719
Year five | 7,539 | 5,646
Prior | 20,130 | 15,900
Revolving | 1,031 | 1,009
Revolving to Term | 0 | 0
Total loans receivable | 77,782 | 83,157
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 32
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 32
Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 3,426 | 5,016
Year two | 5,119 | 50,617
Year three | 55,498 | 95,686
Year four | 103,694 | 45,685
Year five | 43,806 | 8,591
Prior | 22,986 | 22,364
Revolving | 95 | 45
Revolving to Term | 0 | 0
Total loans receivable | 234,624 | 228,004
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 13,604 | 42,639
Year two | 43,138 | 37,783
Year three | 9,884 | 18,912
Year four | 5,682 | 8,014
Year five | 1,362 | 119
Prior | 1,321 | 1,288
Revolving | 12,388 | 1,463
Revolving to Term | 0 | 0
Total loans receivable | 87,379 | 110,218
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 10,098 | 16,758
Year two | 15,654 | 31,915
Year three | 32,099 | 28,059
Year four | 25,626 | 11,406
Year five | 9,250 | 4,751
Prior | 5,734 | 2,025
Revolving | 28,847 | 26,259
Revolving to Term | 0 | 17
Total loans receivable | 127,308 | 121,190
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,920 | 4,734
Year two | 3,694 | 4,384
Year three | 3,946 | 1,560
Year four | 1,280 | 746
Year five | 597 | 295
Prior | 2,199 | 2,145
Revolving | 13,786 | 11,831
Revolving to Term | 0 | 0
Total loans receivable | 27,422 | 25,695
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 6,739 | 28,808
Year two | 32,111 | 33,801
Year three | 32,831 | 8,743
Year four | 7,851 | 2,610
Year five | 2,284 | 2,306
Prior | 35,110 | 36,619
Revolving | 16,092 | 15,544
Revolving to Term | 0 | 48
Total loans receivable | 133,018 | 128,479
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 10
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 68
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 78
Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 2,915 | 2,880
Revolving to Term | 0 | 0
Total loans receivable | 2,915 | 2,880
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 0 | 0
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 0 | 0
Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 5,110 | 6,535
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 5,110 | 6,535
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 0
Current period gross charge-offs, Year three | 0 | 0
Current period gross charge-offs, Year four | 0 | 0
Current period gross charge-offs, Year five | 0 | 0
Current period gross charge-offs, Prior | 10 | 13
Current period gross charge-offs, Revolving | 0 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 10 | 13
Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,143 | 2,113
Year two | 1,668 | 1,527
Year three | 1,151 | 763
Year four | 529 | 559
Year five | 439 | 418
Prior | 411 | 275
Revolving | 519 | 531
Revolving to Term | 0 | 1
Total loans receivable | 5,860 | 6,187
Current period gross charge-offs, Year one | 0 | 0
Current period gross charge-offs, Year two | 0 | 2
Current period gross charge-offs, Year three | 3 | 1
Current period gross charge-offs, Year four | 1 | 11
Current period gross charge-offs, Year five | 0 | 3
Current period gross charge-offs, Prior | 0 | 6
Current period gross charge-offs, Revolving | 3 | 0
Current period gross charge-offs, Revolving to Term | 0 | 0
Current period gross charge-offs, Total | 7 | 23
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 27,191 | 73,564
Year two | 80,282 | 133,583
Year three | 132,929 | 236,774
Year four | 216,899 | 90,881
Year five | 92,595 | 71,104
Prior | 156,775 | 107,999
Revolving | 10,911 | 10,204
Revolving to Term | 0 | 0
Total loans receivable | 717,582 | 724,109
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 2,673 | 16,335
Year two | 11,964 | 19,026
Year three | 17,527 | 11,582
Year four | 11,087 | 7,719
Year five | 7,539 | 5,463
Prior | 19,509 | 15,418
Revolving | 1,031 | 1,009
Revolving to Term | 0 | 0
Total loans receivable | 71,330 | 76,552
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 3,426 | 5,016
Year two | 5,119 | 50,617
Year three | 55,498 | 95,686
Year four | 103,694 | 45,685
Year five | 43,806 | 8,591
Prior | 22,986 | 22,364
Revolving | 95 | 45
Revolving to Term | 0 | 0
Total loans receivable | 234,624 | 228,004
Risk rating 1 to 5 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 13,604 | 42,639
Year two | 43,138 | 37,783
Year three | 9,884 | 18,912
Year four | 5,682 | 8,014
Year five | 1,362 | 119
Prior | 1,213 | 1,124
Revolving | 12,388 | 1,314
Revolving to Term | 0 | 0
Total loans receivable | 87,271 | 109,905
Risk rating 1 to 5 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 10,098 | 16,758
Year two | 15,189 | 31,915
Year three | 31,856 | 28,059
Year four | 25,191 | 11,406
Year five | 9,250 | 4,746
Prior | 5,732 | 2,023
Revolving | 27,139 | 24,059
Revolving to Term | 0 | 0
Total loans receivable | 124,455 | 118,966
Risk rating 1 to 5 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,920 | 4,734
Year two | 3,694 | 3,908
Year three | 3,473 | 856
Year four | 736 | 746
Year five | 597 | 295
Prior | 2,199 | 2,144
Revolving | 13,786 | 11,831
Revolving to Term | 0 | 0
Total loans receivable | 26,405 | 24,514
Risk rating 1 to 5 | Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 6,739 | 28,808
Year two | 32,111 | 33,660
Year three | 32,697 | 8,743
Year four | 7,851 | 2,610
Year five | 2,284 | 2,292
Prior | 32,386 | 33,744
Revolving | 16,092 | 15,544
Revolving to Term | 0 | 0
Total loans receivable | 130,160 | 125,401
Risk rating 1 to 5 | Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 2,798 | 2,880
Revolving to Term | 0 | 0
Total loans receivable | 2,798 | 2,880
Risk rating 1 to 5 | Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 5,049 | 6,491
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 5,049 | 6,491
Risk rating 1 to 5 | Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,143 | 2,104
Year two | 1,662 | 1,525
Year three | 1,151 | 763
Year four | 529 | 559
Year five | 439 | 402
Prior | 410 | 274
Revolving | 518 | 530
Revolving to Term | 0 | 1
Total loans receivable | 5,852 | 6,158
Risk rating 6 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 175 | 309
Year two | 0 | 0
Year three | 0 | 9,510
Year four | 41 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 216 | 9,819
Risk rating 6 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 171
Year three | 169 | 5,409
Year four | 5,308 | 0
Year five | 0 | 152
Prior | 593 | 482
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 6,070 | 6,214
Risk rating 6 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 0
Risk rating 6 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 108 | 110
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 108 | 110
Risk rating 6 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 449 | 0
Year three | 243 | 0
Year four | 14 | 0
Year five | 0 | 5
Prior | 0 | 0
Revolving | 1,708 | 2,200
Revolving to Term | 0 | 0
Total loans receivable | 2,414 | 2,205
Risk rating 6 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 0
Risk rating 7 | Commercial/Agricultural Real Estate | Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 25
Year two | 301 | 696
Year three | 595 | 3,213
Year four | 3,493 | 4,548
Year five | 218 | 183
Prior | 4,765 | 5,854
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 9,372 | 14,519
Risk rating 7 | Commercial/Agricultural Real Estate | Agricultural real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 360
Year three | 354 | 0
Year four | 0 | 0
Year five | 0 | 31
Prior | 28 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 382 | 391
Risk rating 7 | Commercial/Agricultural Real Estate | Multi-family real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 0 | 0
Risk rating 7 | Commercial/Agricultural Real Estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 54
Revolving | 0 | 149
Revolving to Term | 0 | 0
Total loans receivable | 0 | 203
Risk rating 7 | C&I/Agricultural operating: | Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 16 | 0
Year three | 0 | 0
Year four | 421 | 0
Year five | 0 | 0
Prior | 2 | 2
Revolving | 0 | 0
Revolving to Term | 0 | 17
Total loans receivable | 439 | 19
Risk rating 7 | C&I/Agricultural operating: | Agricultural operating |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 476
Year three | 473 | 704
Year four | 544 | 0
Year five | 0 | 0
Prior | 0 | 1
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 1,017 | 1,181
Risk rating 7 | Residential mortgage: | Residential mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 141
Year three | 134 | 0
Year four | 0 | 0
Year five | 0 | 14
Prior | 2,724 | 2,875
Revolving | 0 | 0
Revolving to Term | 0 | 48
Total loans receivable | 2,858 | 3,078
Risk rating 7 | Residential mortgage: | Purchased HELOC loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving | 117 | 0
Revolving to Term | 0 | 0
Total loans receivable | 117 | 0
Risk rating 7 | Consumer installment: | Originated indirect paper |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 61 | 44
Revolving | 0 | 0
Revolving to Term | 0 | 0
Total loans receivable | 61 | 44
Risk rating 7 | Consumer installment: | Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 9
Year two | 6 | 2
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 16
Prior | 1 | 1
Revolving | 1 | 1
Revolving to Term | 0 | 0
Total loans receivable | $ 8 | $ 29

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 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://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + 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/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + 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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + 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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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: |