<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>158</ContextCount>
  <ElementCount>286</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>67</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="cpt-20260331.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.camdenliving.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>9952151 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>9952153 - Statement - Condensed Consolidated Statements Of Income And Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CondensedConsolidatedStatementsOfIncomeAndComprehensiveIncome</Role>
      <ShortName>Condensed Consolidated Statements Of Income And Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>9952154 - Statement - Condensed Consolidated Statements Of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CondensedConsolidatedStatementsOfEquity</Role>
      <ShortName>Condensed Consolidated Statements Of Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>9952155 - Statement - Condensed Consolidated Statements Of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Condensed Consolidated Statements Of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>9952156 - Disclosure - Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/DescriptionofBusiness</Role>
      <ShortName>Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>9952157 - Disclosure - Summary of Significant Accounting Policies and Recent Accounting Pronouncements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncements</Role>
      <ShortName>Summary of Significant Accounting Policies and Recent Accounting Pronouncements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>9952158 - Disclosure - Per Share Data</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/PerShareData</Role>
      <ShortName>Per Share Data</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>9952159 - Disclosure - Common Shares</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CommonShares</Role>
      <ShortName>Common Shares</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>9952160 - Disclosure - Acquisitions and Dispositions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/AcquisitionsandDispositions</Role>
      <ShortName>Acquisitions and Dispositions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>9952161 - Disclosure - Notes Payable</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/NotesPayable</Role>
      <ShortName>Notes Payable</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>9952162 - Disclosure - Derivative and Hedging Activities Derivative and Hedging Activities (Notes)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/DerivativeandHedgingActivitiesDerivativeandHedgingActivitiesNotes</Role>
      <ShortName>Derivative and Hedging Activities Derivative and Hedging Activities (Notes)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>9952163 - Disclosure - Share-based Compensation and Non-Qualified Deferred Compensation Plan</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlan</Role>
      <ShortName>Share-based Compensation and Non-Qualified Deferred Compensation Plan</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>9952164 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>9952165 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>9952166 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>9952167 - Disclosure - Segment Reporting</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SegmentReporting</Role>
      <ShortName>Segment Reporting</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>9952168 - Disclosure - Net Change In Operating Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/NetChangeInOperatingAccounts</Role>
      <ShortName>Net Change In Operating Accounts</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>9955511 - Disclosure - Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncements</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>9955512 - Disclosure - Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsTables</Role>
      <ShortName>Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncements</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>9955513 - Disclosure - Per Share Data (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/PerShareDataTables</Role>
      <ShortName>Per Share Data (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/PerShareData</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>9955516 - Disclosure - Notes Payable (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/NotesPayableTables</Role>
      <ShortName>Notes Payable (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/NotesPayable</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>9955518 - Disclosure - Share-based Compensation and Non-Qualified Deferred Compensation Plan (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlanTables</Role>
      <ShortName>Share-based Compensation and Non-Qualified Deferred Compensation Plan (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlan</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>9955519 - Disclosure - Commitments and Contingencies Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CommitmentsandContingenciesCommitmentsandContingenciesTables</Role>
      <ShortName>Commitments and Contingencies Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>9955520 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/FairValueMeasurements</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>9955521 - Disclosure - Segment Reporting (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SegmentReportingTables</Role>
      <ShortName>Segment Reporting (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SegmentReporting</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>9955522 - Disclosure - Net Change in Operating Accounts (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/NetChangeinOperatingAccountsTables</Role>
      <ShortName>Net Change in Operating Accounts (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>9955523 - Disclosure - Description of Business (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/DescriptionofBusinessDetails</Role>
      <ShortName>Description of Business (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/DescriptionofBusiness</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>9955524 - Disclosure - Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsNarrativeDetails</Role>
      <ShortName>Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsTables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>9955525 - Disclosure - Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Expected Useful Lives Of Depreciable Property) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsExpectedUsefulLivesOfDepreciablePropertyDetails</Role>
      <ShortName>Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Expected Useful Lives Of Depreciable Property) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SummaryofSignificantAccountingPoliciesandRecentAccountingPronouncementsTables</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>9955526 - Disclosure - Per Share Data (Calculation Of Basic And Diluted Earnings Per Share) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/PerShareDataCalculationOfBasicAndDilutedEarningsPerShareDetails</Role>
      <ShortName>Per Share Data (Calculation Of Basic And Diluted Earnings Per Share) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/PerShareDataTables</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>9955527 - Disclosure - Common Shares (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CommonSharesNarrativeDetails</Role>
      <ShortName>Common Shares (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/CommonShares</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>9955528 - Disclosure - Acquisitions and Dispositions (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/AcquisitionsandDispositionsNarrativeDetails</Role>
      <ShortName>Acquisitions and Dispositions (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/AcquisitionsandDispositions</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>9955529 - Disclosure - Notes Payable (Summary Of Indebtedness) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/NotesPayableSummaryOfIndebtednessDetails</Role>
      <ShortName>Notes Payable (Summary Of Indebtedness) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/NotesPayableTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>9955530 - Disclosure - Notes Payable (Narrative) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/NotesPayableNarrativeDetails</Role>
      <ShortName>Notes Payable (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/NotesPayableTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>9955531 - Disclosure - Notes Payable (Scheduled Repayments On Outstanding Debt) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/NotesPayableScheduledRepaymentsOnOutstandingDebtDetails</Role>
      <ShortName>Notes Payable (Scheduled Repayments On Outstanding Debt) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/NotesPayableTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>9955532 - Disclosure - Derivative and Hedging Activities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/DerivativeandHedgingActivitiesDetails</Role>
      <ShortName>Derivative and Hedging Activities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/DerivativeandHedgingActivitiesDerivativeandHedgingActivitiesNotes</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>9955533 - Disclosure - Share-based Compensation and Non-Qualified Deferred Compensation Plan (Narrative) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlanNarrativeDetails</Role>
      <ShortName>Share-based Compensation and Non-Qualified Deferred Compensation Plan (Narrative) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlanTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>9955534 - Disclosure - Share-based Compensation and Non-Qualified Deferred Compensation Plan (Summary Of Share Incentive Plans) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlanSummaryOfShareIncentivePlansDetails</Role>
      <ShortName>Share-based Compensation and Non-Qualified Deferred Compensation Plan (Summary Of Share Incentive Plans) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SharebasedCompensationandNonQualifiedDeferredCompensationPlanTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>9955535 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/CommitmentsandContingenciesCommitmentsandContingenciesTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>9955536 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/IncomeTaxes</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>9955538 - Disclosure - Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/FairValueMeasurementsFinancialAssetsAndLiabilitiesMeasuredAtFairValueDetails</Role>
      <ShortName>Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>9955539 - Disclosure - Fair Value Measurements (Fair Value Of Notes Payable) (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://www.camdenliving.com/role/FairValueMeasurementsFairValueOfNotesPayableDetails</Role>
      <ShortName>Fair Value Measurements (Fair Value Of Notes Payable) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>9955540 - Disclosure - Segment Reporting (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/SegmentReportingDetails</Role>
      <ShortName>Segment Reporting (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/SegmentReportingTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="cpt-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>9955541 - Disclosure - Net Change in Operating Accounts (Effect Of Changes In The Operating Accounts On Cash Flows From Operating Activities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.camdenliving.com/role/NetChangeinOperatingAccountsEffectOfChangesInTheOperatingAccountsOnCashFlowsFromOperatingActivitiesDetails</Role>
      <ShortName>Net Change in Operating Accounts (Effect Of Changes In The Operating Accounts On Cash Flows From Operating Activities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.camdenliving.com/role/NetChangeinOperatingAccountsTables</ParentRole>
      <Position>46</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-Q" isDefinitelyFs="true" isUsgaap="true" original="cpt-20260331.htm">cpt-20260331.htm</File>
    <File>cpt-20260331.xsd</File>
    <File>cpt-20260331_cal.xml</File>
    <File>cpt-20260331_def.xml</File>
    <File>cpt-20260331_lab.xml</File>
    <File>cpt-20260331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="3">http://fasb.org/srt/2026</BaseTaxonomy>
    <BaseTaxonomy items="539">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
