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Commitments and Contingencies (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Commitments to extend credit
Commitments and Contingencies
Commitments to extend credit	210,439,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = us-gaap_CommitmentsToExtendCreditMember	$ 214,131,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = us-gaap_CommitmentsToExtendCreditMember
Undisbursed lines of credit
Commitments and Contingencies
Commitments to extend credit	208,809,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = us-gaap_UnusedLinesOfCreditMember	212,501,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = us-gaap_UnusedLinesOfCreditMember
Undisbursed portions of construction loans
Commitments and Contingencies
Commitments to extend credit	17,674,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = cvcy_UnusedPortionOfConstructionLoansMember	15,977,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = cvcy_UnusedPortionOfConstructionLoansMember
Standby letters of credit and financial guarantees
Commitments and Contingencies
Commitments to extend credit	1,630,000us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountLiability / us-gaap_FinancialInstrumentAxis = us-gaap_StandbyLettersOfCreditMember
Minimum | Undisbursed lines of credit
Commitments and Contingencies
Commitments to extend credit, term of agreement	1 month
Maximum | Undisbursed lines of credit
Commitments and Contingencies
Commitments to extend credit, term of agreement	12 months
Maximum | Standby letters of credit and financial guarantees
Commitments and Contingencies
Commitments to extend credit, term of agreement	1 year
Probable loan loss experience on unfunded obligations [Member]
Commitments and Contingencies
Loss Contingency, Estimate of Possible Loss	245,000us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = cvcy_ProbableLoanLossExperienceOnUnfundedObligationsMember	$ 165,000us-gaap_LossContingencyEstimateOfPossibleLoss / us-gaap_LossContingenciesByNatureOfContingencyAxis = cvcy_ProbableLoanLossExperienceOnUnfundedObligationsMember

X

- Definition

Commitments to Extend Credit, Term of Agreement

+ References

No definition available.

+ Details

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- Details

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- Definition

The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

+ References

No definition available.

+ Details

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X

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 9

-Subparagraph (b)

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