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v2.4.1.9

Employee Benefits - 401(k) and profit sharing plan (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
401(k) plan |  |  |
Schedule of Defined Contribution Plans Disclosures [Line Items] |  |  |
Requisite service period | 1 month |  |
Employer contribution amount | $ 499 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember | $ 382 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember | $ 388 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember
Profit sharing plan |  |  |
Schedule of Defined Contribution Plans Disclosures [Line Items] |  |  |
Requisite service period | 2 years |  |
Percentage vesting annually | 100.00%us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage / cvcy_DefinedContributionPlanTypeAxis = cvcy_ProfitSharingMember |  |
Employer contribution amount | $ 0 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_ProfitSharingMember | $ 225 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_ProfitSharingMember | $ 210 us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount / cvcy_DefinedContributionPlanTypeAxis = cvcy_ProfitSharingMember
Up to 3% of eligible compensation | 401(k) plan |  |  |
Schedule of Defined Contribution Plans Disclosures [Line Items] |  |  |
Employer matching of employee contributions, percentage | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember / us-gaap_RangeAxis = cvcy_RangeOneMember |  |
Employer matching contribution, percentage of compensation | 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember / us-gaap_RangeAxis = cvcy_RangeOneMember |  |
Over 3% of eligible compensation | 401(k) plan |  |  |
Schedule of Defined Contribution Plans Disclosures [Line Items] |  |  |
Employer matching of employee contributions, percentage | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember / us-gaap_RangeAxis = cvcy_RangeTwoMember |  |
Employer matching contribution, percentage of compensation | 3.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember / us-gaap_RangeAxis = cvcy_RangeTwoMember |  |
Maximum | 401(k) plan |  |  |
Schedule of Defined Contribution Plans Disclosures [Line Items] |  |  |
Employer matching contribution, percentage of compensation | 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / cvcy_DefinedContributionPlanTypeAxis = cvcy_EmployeeSavingsPlanMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |

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- Definition Defined Contribution Plan Requisite Service Period + References No definition available. + Details
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Namespace Prefix: | cvcy_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
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Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of employer's matching contributions to a defined contribution plan that vests in a given year. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Period Type: |