<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>682</ContextCount>
  <ElementCount>676</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>121</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>9</UnitCount>
  <MyReports>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DocumentandEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0000002 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952151 - Statement - CONSOLIDATED BALANCE SHEETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDBALANCESHEETS</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952152 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDBALANCESHEETSParenthetical</Role>
      <ShortName>CONSOLIDATED BALANCE SHEETS (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952153 - Statement - CONSOLIDATED STATEMENTS OF INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDSTATEMENTSOFINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952154 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOME</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952155 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITY</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952156 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDSTATEMENTSOFCHANGESINSHAREHOLDERSEQUITYParenthetical</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952157 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS</Role>
      <ShortName>CONSOLIDATED STATEMENTS OF CASH FLOWS</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Business Combinations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BusinessCombinations</Role>
      <ShortName>Business Combinations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Investment Securities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecurities</Role>
      <ShortName>Investment Securities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Loans and Allowance for Credit Losses on Loans</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoans</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Bank Premises and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BankPremisesandEquipment</Role>
      <ShortName>Bank Premises and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Goodwill and Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/GoodwillandIntangibleAssets</Role>
      <ShortName>Goodwill and Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Deposits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/Deposits</Role>
      <ShortName>Deposits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Borrowing Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BorrowingArrangements</Role>
      <ShortName>Borrowing Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Senior Debt and Subordinated Debentures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SeniorDebtandSubordinatedDebentures</Role>
      <ShortName>Senior Debt and Subordinated Debentures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9952169 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9952170 - Disclosure - Shareholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ShareholdersEquity</Role>
      <ShortName>Shareholders' Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9952171 - Disclosure - Equity-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensation</Role>
      <ShortName>Equity-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9952172 - Disclosure - Employee Benefits</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EmployeeBenefits</Role>
      <ShortName>Employee Benefits</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9952173 - Disclosure - Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/RelatedParties</Role>
      <ShortName>Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9952174 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9952175 - Disclosure - Operating Segments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/OperatingSegments</Role>
      <ShortName>Operating Segments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9952176 - Disclosure - Parent Only Condensed Financial Statements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatements</Role>
      <ShortName>Parent Only Condensed Financial Statements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9952177 - Disclosure - Subsequent Event</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SubsequentEvent</Role>
      <ShortName>Subsequent Event</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Business Combinations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BusinessCombinationsTables</Role>
      <ShortName>Business Combinations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/BusinessCombinations</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Investment Securities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesTables</Role>
      <ShortName>Investment Securities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/InvestmentSecurities</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955514 - Disclosure - Loans and Allowance for Credit Losses on Loans (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansTables</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoans</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955515 - Disclosure - Bank Premises and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BankPremisesandEquipmentTables</Role>
      <ShortName>Bank Premises and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/BankPremisesandEquipment</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Goodwill and Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/GoodwillandIntangibleAssetsTables</Role>
      <ShortName>Goodwill and Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/GoodwillandIntangibleAssets</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955517 - Disclosure - Deposits (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DepositsTables</Role>
      <ShortName>Deposits (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/Deposits</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Borrowing Arrangements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BorrowingArrangementsTables</Role>
      <ShortName>Borrowing Arrangements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/BorrowingArrangements</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/Leases</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/IncomeTaxes</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Senior Debt and Subordinated Debentures (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SeniorDebtandSubordinatedDebenturesTables</Role>
      <ShortName>Senior Debt and Subordinated Debentures (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/SeniorDebtandSubordinatedDebentures</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/CommitmentsandContingencies</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Shareholders' Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ShareholdersEquityTables</Role>
      <ShortName>Shareholders' Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/ShareholdersEquity</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Equity-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensationTables</Role>
      <ShortName>Equity-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/EquityBasedCompensation</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Related Parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/RelatedPartiesTables</Role>
      <ShortName>Related Parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/RelatedParties</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/FairValueMeasurements</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Operating Segments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/OperatingSegmentsTables</Role>
      <ShortName>Operating Segments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/OperatingSegments</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Parent Only Condensed Financial Statements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatementsTables</Role>
      <ShortName>Parent Only Condensed Financial Statements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatements</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/SummaryofSignificantAccountingPoliciesPolicies</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Business Combinations - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BusinessCombinationsNarrativeDetails</Role>
      <ShortName>Business Combinations - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Business Combinations - Consideration and Assets Acquired and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BusinessCombinationsConsiderationandAssetsAcquiredandLiabilitiesAssumedDetails</Role>
      <ShortName>Business Combinations - Consideration and Assets Acquired and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Business Combinations - Acquired Receivables (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BusinessCombinationsAcquiredReceivablesDetails</Role>
      <ShortName>Business Combinations - Acquired Receivables (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Investment Securities - Securities available-for-sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesSecuritiesavailableforsaleDetails</Role>
      <ShortName>Investment Securities - Securities available-for-sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Investment Securities - Securities held-to-maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesSecuritiesheldtomaturityDetails</Role>
      <ShortName>Investment Securities - Securities held-to-maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Investment Securities - Realized gains and losses (Details) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesRealizedgainsandlossesDetailsDetails</Role>
      <ShortName>Investment Securities - Realized gains and losses (Details) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Investment Securities - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesTextualDetails</Role>
      <ShortName>Investment Securities - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>9955537 - Disclosure - Investment Securities - Investments by contractual maturity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesInvestmentsbycontractualmaturityDetails</Role>
      <ShortName>Investment Securities - Investments by contractual maturity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Investment Securities - Unrealized losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesUnrealizedlossesDetails</Role>
      <ShortName>Investment Securities - Unrealized losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Investment Securities - Allowance for credit loss (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesAllowanceforcreditlossDetails</Role>
      <ShortName>Investment Securities - Allowance for credit loss (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Investment Securities - Credit quality indicator (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/InvestmentSecuritiesCreditqualityindicatorDetails</Role>
      <ShortName>Investment Securities - Credit quality indicator (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Loans and Allowance for Credit Losses on Loans - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansTextualDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansTables</ParentRole>
      <Position>63</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>9955542 - Disclosure - Loans and Allowance for Credit Losses on Loans - Summary of outstanding loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansSummaryofoutstandingloansDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Summary of outstanding loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>9955543 - Disclosure - Loans and Allowance for Credit Losses on Loans - Allowance for Credit Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansAllowanceforCreditLossesDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Allowance for Credit Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>9955544 - Disclosure - Loans and Allowance for Credit Losses on Loans - Nonaccrual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansNonaccrualDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Nonaccrual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>9955545 - Disclosure - Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansCollateraldependentloansDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>9955546 - Disclosure - Loans and Allowance for Credit Losses on Loans - Purchased credit-deteriorated loans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansPurchasedcreditdeterioratedloansDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Purchased credit-deteriorated loans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>9955547 - Disclosure - Loans and Allowance for Credit Losses on Loans - Loan Portfolio by Risk Rating (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansLoanPortfoliobyRiskRatingDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Loan Portfolio by Risk Rating (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>9955548 - Disclosure - Loans and Allowance for Credit Losses on Loans - Loan Portfolio Aging (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LoansandAllowanceforCreditLossesonLoansLoanPortfolioAgingDetails</Role>
      <ShortName>Loans and Allowance for Credit Losses on Loans - Loan Portfolio Aging (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>9955549 - Disclosure - Bank Premises and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BankPremisesandEquipmentDetails</Role>
      <ShortName>Bank Premises and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/BankPremisesandEquipmentTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>9955550 - Disclosure - Goodwill and Intangible Assets - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/GoodwillandIntangibleAssetsTextualDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>9955551 - Disclosure - Goodwill and Intangible Assets - Goodwill and Core Deposit Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/GoodwillandIntangibleAssetsGoodwillandCoreDepositIntangibleAssetsDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Goodwill and Core Deposit Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>9955552 - Disclosure - Goodwill and Intangible Assets - Future Amortization Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/GoodwillandIntangibleAssetsFutureAmortizationExpenseDetails</Role>
      <ShortName>Goodwill and Intangible Assets - Future Amortization Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>9955553 - Disclosure - Deposits - Components of deposit liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DepositsComponentsofdepositliabilitiesDetails</Role>
      <ShortName>Deposits - Components of deposit liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>9955554 - Disclosure - Deposits - Aggregate maturities of time deposits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DepositsAggregatematuritiesoftimedepositsDetails</Role>
      <ShortName>Deposits - Aggregate maturities of time deposits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>9955555 - Disclosure - Deposits - Components of interest expense recognized on interest-bearing deposits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DepositsComponentsofinterestexpenserecognizedoninterestbearingdepositsDetails</Role>
      <ShortName>Deposits - Components of interest expense recognized on interest-bearing deposits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>9955556 - Disclosure - Deposits - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/DepositsTextualDetails</Role>
      <ShortName>Deposits - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>9955557 - Disclosure - Borrowing Arrangements - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BorrowingArrangementsTextualDetails</Role>
      <ShortName>Borrowing Arrangements - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>9955558 - Disclosure - Borrowing Arrangements - Credit Lines, Balances Outstanding and Pledged Collateral (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/BorrowingArrangementsCreditLinesBalancesOutstandingandPledgedCollateralDetails</Role>
      <ShortName>Borrowing Arrangements - Credit Lines, Balances Outstanding and Pledged Collateral (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>9955559 - Disclosure - Leases - Maturities of Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails</Role>
      <ShortName>Leases - Maturities of Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>9955560 - Disclosure - Leases - Lease Cost (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LeasesLeaseCostDetails</Role>
      <ShortName>Leases - Lease Cost (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>9955561 - Disclosure - Leases - Other Lease Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LeasesOtherLeaseInformationDetails</Role>
      <ShortName>Leases - Other Lease Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>9955562 - Disclosure - Leases - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/LeasesTextualDetails</Role>
      <ShortName>Leases - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>9955563 - Disclosure - Income Taxes - Components of income tax expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesComponentsofincometaxexpenseDetails</Role>
      <ShortName>Income Taxes - Components of income tax expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>9955564 - Disclosure - Income Taxes - Components of deferred income taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesComponentsofdeferredincometaxesDetails</Role>
      <ShortName>Income Taxes - Components of deferred income taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>9955565 - Disclosure - Income Taxes - Reconciliation of effective tax rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesReconciliationofeffectivetaxrateDetails</Role>
      <ShortName>Income Taxes - Reconciliation of effective tax rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>9955566 - Disclosure - Income Taxes - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesTextualDetails</Role>
      <ShortName>Income Taxes - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>9955567 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/IncomeTaxesTables</ParentRole>
      <Position>89</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>9955568 - Disclosure - Senior Debt and Subordinated Debentures - Summary (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SeniorDebtandSubordinatedDebenturesSummaryDetails</Role>
      <ShortName>Senior Debt and Subordinated Debentures - Summary (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>9955569 - Disclosure - Senior Debt and Subordinated Debentures - Narrative (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SeniorDebtandSubordinatedDebenturesNarrativeDetails</Role>
      <ShortName>Senior Debt and Subordinated Debentures - Narrative (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>9955570 - Disclosure - Commitments and Contingencies - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CommitmentsandContingenciesTextualDetails</Role>
      <ShortName>Commitments and Contingencies - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>9955571 - Disclosure - Commitments and Contingencies - Financial Instruments with Off-Balance-Sheet Credit Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/CommitmentsandContingenciesFinancialInstrumentswithOffBalanceSheetCreditRiskDetails</Role>
      <ShortName>Commitments and Contingencies - Financial Instruments with Off-Balance-Sheet Credit Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>9955572 - Disclosure - Shareholders' Equity - Regulatory Capital (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ShareholdersEquityRegulatoryCapitalDetails</Role>
      <ShortName>Shareholders' Equity - Regulatory Capital (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>9955573 - Disclosure - Shareholders' Equity - Dividends and Share Repurchases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ShareholdersEquityDividendsandShareRepurchasesDetails</Role>
      <ShortName>Shareholders' Equity - Dividends and Share Repurchases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>9955574 - Disclosure - Shareholders' Equity - Earnings Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ShareholdersEquityEarningsPerShareDetails</Role>
      <ShortName>Shareholders' Equity - Earnings Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R97.htm</HtmlFileName>
      <LongName>9955575 - Disclosure - Equity-Based Compensation - Textual (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensationTextualDetails</Role>
      <ShortName>Equity-Based Compensation - Textual (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>97</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R98.htm</HtmlFileName>
      <LongName>9955576 - Disclosure - Equity-Based Compensation - Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensationStockOptionActivityDetails</Role>
      <ShortName>Equity-Based Compensation - Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>98</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R99.htm</HtmlFileName>
      <LongName>9955577 - Disclosure - Equity-Based Compensation - Information Related to Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensationInformationRelatedtoStockOptionsDetails</Role>
      <ShortName>Equity-Based Compensation - Information Related to Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>99</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R100.htm</HtmlFileName>
      <LongName>9955578 - Disclosure - Equity-Based Compensation - Restricted Common Stock Awards (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EquityBasedCompensationRestrictedCommonStockAwardsDetails</Role>
      <ShortName>Equity-Based Compensation - Restricted Common Stock Awards (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>100</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R101.htm</HtmlFileName>
      <LongName>9955579 - Disclosure - Employee Benefits - 401(k) and profit sharing plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EmployeeBenefits401kandprofitsharingplanDetails</Role>
      <ShortName>Employee Benefits - 401(k) and profit sharing plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>101</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R102.htm</HtmlFileName>
      <LongName>9955580 - Disclosure - Employee Benefits - Deferred compensation plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EmployeeBenefitsDeferredcompensationplanDetails</Role>
      <ShortName>Employee Benefits - Deferred compensation plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>102</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R103.htm</HtmlFileName>
      <LongName>9955581 - Disclosure - Employee Benefits - Salary continuation plans (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EmployeeBenefitsSalarycontinuationplansDetails</Role>
      <ShortName>Employee Benefits - Salary continuation plans (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>103</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R104.htm</HtmlFileName>
      <LongName>9955582 - Disclosure - Employee Benefits - Employee Stock Purchase Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/EmployeeBenefitsEmployeeStockPurchasePlanDetails</Role>
      <ShortName>Employee Benefits - Employee Stock Purchase Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>104</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R105.htm</HtmlFileName>
      <LongName>9955583 - Disclosure - Related Parties (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/RelatedPartiesDetails</Role>
      <ShortName>Related Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/RelatedPartiesTables</ParentRole>
      <Position>105</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R106.htm</HtmlFileName>
      <LongName>9955584 - Disclosure - Fair Value Measurements - Fair Value by Balance Sheet Grouping (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/FairValueMeasurementsFairValuebyBalanceSheetGroupingDetails</Role>
      <ShortName>Fair Value Measurements - Fair Value by Balance Sheet Grouping (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>106</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R107.htm</HtmlFileName>
      <LongName>9955585 - Disclosure - Fair Value Measurements - Recurring and Nonrecurring (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/FairValueMeasurementsRecurringandNonrecurringDetails</Role>
      <ShortName>Fair Value Measurements - Recurring and Nonrecurring (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>107</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R108.htm</HtmlFileName>
      <LongName>9955586 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/FairValueMeasurementsAssetsandLiabilitiesMeasuredatFairValueonaNonrecurringBasisDetails</Role>
      <ShortName>Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>108</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R109.htm</HtmlFileName>
      <LongName>9955587 - Disclosure - Operating Segments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/OperatingSegmentsDetails</Role>
      <ShortName>Operating Segments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/OperatingSegmentsTables</ParentRole>
      <Position>109</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R110.htm</HtmlFileName>
      <LongName>9955588 - Disclosure - Parent Only Condensed Financial Statements - Condensed Balance Sheets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatementsCondensedBalanceSheetsDetails</Role>
      <ShortName>Parent Only Condensed Financial Statements - Condensed Balance Sheets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>110</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R111.htm</HtmlFileName>
      <LongName>9955589 - Disclosure - Parent Only Condensed Financial Statements - Condensed Statements of Income and Comprehensive Income (Loss) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatementsCondensedStatementsofIncomeandComprehensiveIncomeLossDetails</Role>
      <ShortName>Parent Only Condensed Financial Statements - Condensed Statements of Income and Comprehensive Income (Loss) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>111</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R112.htm</HtmlFileName>
      <LongName>9955590 - Disclosure - Parent Only Condensed Financial Statements - Condensed Statements of Cash Flows (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/ParentOnlyCondensedFinancialStatementsCondensedStatementsofCashFlowsDetails</Role>
      <ShortName>Parent Only Condensed Financial Statements - Condensed Statements of Cash Flows (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>112</Position>
    </Report>
    <Report instance="cvcy-20251231.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R113.htm</HtmlFileName>
      <LongName>9955591 - Disclosure - Subsequent Event (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cvcb.com/role/SubsequentEventDetails</Role>
      <ShortName>Subsequent Event (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.cvcb.com/role/SubsequentEvent</ParentRole>
      <Position>113</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-K" isDefinitelyFs="true" isUsgaap="true" original="cvcy-20251231.htm">cvcy-20251231.htm</File>
    <File>cvcy-20251231.xsd</File>
    <File>cvcy-20251231_cal.xml</File>
    <File>cvcy-20251231_def.xml</File>
    <File>cvcy-20251231_lab.xml</File>
    <File>cvcy-20251231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>cvcy-20251231_g1.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2025</BaseTaxonomy>
    <BaseTaxonomy items="3308">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="15">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="38">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="5">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
