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Junior Subordinated Deferrable Interest Debentures (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 quarter | Dec. 31, 2013 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |
Percentage of Trust Preferred Securities eligible as Tier 1 capital | 25.00%cvcy_AmountOfTrustPreferredSecuritiesEligibleAsTierOneCapitalMaximumPercentage |  |
Spread on LIBOR | 1.60%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 |  |
Redemption period | 90 days |  |
Percentage of notes outstanding required to call payment | 25.00%cvcy_PercentageOfAggregatePrincipalAmountOfNotesOutstandingRequiredToCallNotes |  |
Number of consecutive quarterly periods of nonpayment required to call notes | 20 cvcy_NumberOfConsecutiveQuarterlyPeriodsOfNonpaymentRequiredToCallNotes |  |
Liquidation value per security | 1,000 cvcy_TrustPreferredSecuritiesLiquidationValuePerUnit |  |
Interest rate at period end | 1.83%us-gaap_DebtInstrumentInterestRateAtPeriodEnd |  |
Interest expense for the period | $ 96 us-gaap_InterestExpenseTrustPreferredSecurities | $ 98 us-gaap_InterestExpenseTrustPreferredSecurities | $ 107 us-gaap_InterestExpenseTrustPreferredSecurities
Service 1st Bank |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate Principal Amount Junior Subordinated Notes | $ 5,155 us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = cvcy_Service1StBankMember |  |

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- Definition Amount Of Trust Preferred Securities Eligible As Tier One Capital Maximum Percentage + References No definition available. + Details
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- Definition Long Term Debt Terms Redemption Period + References No definition available. + Details
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- Definition Number Of Consecutive Quarterly Periods Of Nonpayment Required To Call Notes + References No definition available. + Details
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- Definition Percentage Of Aggregate Principal Amount Of Notes Outstanding Required To Call Notes + References No definition available. + Details
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- Definition Trust Preferred Securities Liquidation Value Per Unit + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Details
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- Definition The amount of interest incurred to a trust which has issued trust-preferred securities. In order to issue trust preferred securities, a sponsor forms a trust by investing a nominal amount of cash to purchase all of the voting common stock of the trust. The trust issues nonvoting, mandatorily redeemable preferred securities to outside investors in exchange for cash. The proceeds received from the issuance of the preferred securities, together with the cash received for issuing the common stock to the sponsor, is then loaned to the sponsor in exchange for a note which has the same terms as the trust preferred securities. Trust preferred securities possesses characteristics of both equity and debt issues and are generally issued by bank holding companies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.8) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 55 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6924035&loc=d3e22274-110880 + Details
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