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Pending Merger Pending Merger (Details) (Visalia Community Bank [Member])	Dec. 19, 2012 branches
Visalia, California [Member]
Business Acquisition [Line Items]
Number of Branches to Be Acquired	3
Exeter, California [Member]
Business Acquisition [Line Items]
Number of Branches to Be Acquired	1

X

- Definition

Number of Branches to Be Acquired

+ References

No definition available.

+ Details

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Namespace Prefix:	cvcy_
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Balance Type:	na
Period Type:	instant

X

- Details

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