DEPOSITS - Deposits by Type (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deposits [Abstract]
Non-interest bearing demand deposits	$ 257,042	$ 238,348
Interest bearing demand deposits	352,302	301,764
Savings accounts	222,448	196,348
Money market accounts	258,942	245,549
Certificate accounts	289,468	313,247
Total deposits	1,380,202	1,295,256
Brokered deposits included above:	$ 2,516	$ 2,516

Brokered Deposits

No definition available.

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Namespace Prefix:	czwi_
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Balance Type:	credit
Period Type:	instant

- Definition

Deposits, Certificate Accounts

+ References

No definition available.

+ Details

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Namespace Prefix:	czwi_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

+ References

+ Details

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- Definition

Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate of all domestic and foreign interest-bearing deposit liabilities.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

+ References

+ Details

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