<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.3.1.900</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>902</ContextCount>
  <ElementCount>486</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>347</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>15</UnitCount>
  <MyReports>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0001000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1001000 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedBalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>1001501 - Statement - Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedBalanceSheetsParentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>1002000 - Statement - Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfIncome</Role>
      <ShortName>Consolidated Statements of Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>1002501 - Statement - Consolidated Statements of Income (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfIncomeParentheticals</Role>
      <ShortName>Consolidated Statements of Income (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>1003000 - Statement - Consolidated Statements of Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>1004000 - Statement - Consolidated Statements of Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfEquity</Role>
      <ShortName>Consolidated Statements of Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>1004501 - Statement - Consolidated Statements of Equity (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfEquityParentheticals</Role>
      <ShortName>Consolidated Statements of Equity (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>1005000 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>1005501 - Statement - Consolidated Statements of Cash Flows (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ConsolidatedStatementsOfCashFlowsParentheticals</Role>
      <ShortName>Consolidated Statements of Cash Flows (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>2101100 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/Organization</Role>
      <ShortName>Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>2103100 - Disclosure - Summary of Significant Accounting Policies and Estimates</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SummaryOfSignificantAccountingPoliciesAndEstimates</Role>
      <ShortName>Summary of Significant Accounting Policies and Estimates</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>2104100 - Disclosure - Agreements and Transactions with Related Parties</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/AgreementsAndTransactionsWithRelatedParties</Role>
      <ShortName>Agreements and Transactions with Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>2105100 - Disclosure - Net Investments in Properties and Real Estate Under Construction</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstruction</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>2106100 - Disclosure - Finance Receivables</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivables</Role>
      <ShortName>Finance Receivables</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>2108100 - Disclosure - Equity Investments in Real Estate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstate</Role>
      <ShortName>Equity Investments in Real Estate</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>2109100 - Disclosure - Intangible Assets and Liabilities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilities</Role>
      <ShortName>Intangible Assets and Liabilities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>2110100 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>2111100 - Disclosure - Risk Management and Use of Derivative Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstruments</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>2112100 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/Debt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>2114100 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>2115100 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/Equity</Role>
      <ShortName>Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>2116100 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>2117100 - Disclosure - Property Dispositions and Discontinued Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/PropertyDispositionsAndDiscontinuedOperations</Role>
      <ShortName>Property Dispositions and Discontinued Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>2118100 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>2119100 - Disclosure - Selected Quarterly Financial Information (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SelectedQuarterlyFinancialInformationUnaudited</Role>
      <ShortName>Selected Quarterly Financial Information (Unaudited)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>2120100 - Schedule - Schedule II - Valuation and Qualifying Accounts</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiValuationAndQualifyingAccounts</Role>
      <ShortName>Schedule II - Valuation and Qualifying Accounts</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>2121100 - Schedule - Schedule III - Real Estate and Accumulated Depreciation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciation</Role>
      <ShortName>Schedule III - Real Estate and Accumulated Depreciation</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>2122100 - Schedule - Schedule IV - Mortgage Loans on Real Estate</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIvMortgageLoansOnRealEstate</Role>
      <ShortName>Schedule IV - Mortgage Loans on Real Estate</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>2203201 - Disclosure - Summary of Significant Accounting Policies and Estimates (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SummaryOfSignificantAccountingPoliciesAndEstimatesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies and Estimates (Policies)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>30</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>2304301 - Disclosure - Agreements and Transactions with Related Parties (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/AgreementsAndTransactionsWithRelatedPartiesTables</Role>
      <ShortName>Agreements and Transactions with Related Parties (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>2305301 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionTables</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>2306301 - Disclosure - Finance Receivables (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivablesTables</Role>
      <ShortName>Finance Receivables (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>2308301 - Disclosure - Equity Investments in Real Estate (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateTables</Role>
      <ShortName>Equity Investments in Real Estate (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>2309301 - Disclosure - Intangible Assets and Liabilities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilitiesTables</Role>
      <ShortName>Intangible Assets and Liabilities (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>2310301 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>2311301 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsTables</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>37</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>2312301 - Disclosure - Debt (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/DebtTables</Role>
      <ShortName>Debt (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>2315301 - Disclosure - Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityTables</Role>
      <ShortName>Equity (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>2316301 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>2318301 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>2319301 - Disclosure - Selected Quarterly Financial Information (Unaudited) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SelectedQuarterlyFinancialInformationUnauditedTables</Role>
      <ShortName>Selected Quarterly Financial Information (Unaudited) (Tables)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>2401401 - Disclosure - Organization (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/OrganizationNarrativesDetails</Role>
      <ShortName>Organization (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>2403402 - Disclosure - Summary of Significant Accounting Policies and Estimates (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SummaryOfSignificantAccountingPoliciesAndEstimatesNarrativesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies and Estimates (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>2404402 - Disclosure - Agreements and Transactions with Related Parties (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/AgreementsAndTransactionsWithRelatedPartiesNarrativesDetails</Role>
      <ShortName>Agreements and Transactions with Related Parties (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>2404403 - Disclosure - Agreements and Transactions with Related Parties (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/AgreementsAndTransactionsWithRelatedPartiesDetails1</Role>
      <ShortName>Agreements and Transactions with Related Parties (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>2404404 - Disclosure - Agreements and Transactions with Related Parties (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/AgreementsAndTransactionsWithRelatedPartiesDetails2</Role>
      <ShortName>Agreements and Transactions with Related Parties (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>2405402 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionNarrativesDetails</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>2405403 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionDetails1</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>2405404 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionDetails2</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>2405405 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionDetails3</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>2405406 - Disclosure - Net Investments in Properties and Real Estate Under Construction (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/NetInvestmentsInPropertiesAndRealEstateUnderConstructionDetails4</Role>
      <ShortName>Net Investments in Properties and Real Estate Under Construction (Details 4)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>2406402 - Disclosure - Finance Receivables (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivablesNarrativesDetails</Role>
      <ShortName>Finance Receivables (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>2406403 - Disclosure - Finance Receivables (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivablesDetails1</Role>
      <ShortName>Finance Receivables (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>2406404 - Disclosure - Finance Receivables (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivablesDetails2</Role>
      <ShortName>Finance Receivables (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>2406405 - Disclosure - Finance Receivables (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FinanceReceivablesDetails3</Role>
      <ShortName>Finance Receivables (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>2408402 - Disclosure - Equity Investments in Real Estate (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateNarrativesDetails</Role>
      <ShortName>Equity Investments in Real Estate (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>2408403 - Disclosure - Equity Investments in Real Estate (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateDetails1</Role>
      <ShortName>Equity Investments in Real Estate (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>2408404 - Disclosure - Equity Investments in Real Estate (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateDetails2</Role>
      <ShortName>Equity Investments in Real Estate (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>2408405 - Disclosure - Equity Investments in Real Estate (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateDetails3</Role>
      <ShortName>Equity Investments in Real Estate (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>2408406 - Disclosure - Equity Investments in Real Estate (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityInvestmentsInRealEstateDetails4</Role>
      <ShortName>Equity Investments in Real Estate (Details 4)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>2409402 - Disclosure - Intangible Assets and Liabilities (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilitiesNarrativesDetails</Role>
      <ShortName>Intangible Assets and Liabilities (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>2409403 - Disclosure - Intangible Assets and Liabilities (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilitiesDetails1</Role>
      <ShortName>Intangible Assets and Liabilities (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>2409404 - Disclosure - Intangible Assets and Liabilities (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilitiesDetails2</Role>
      <ShortName>Intangible Assets and Liabilities (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>64</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>2409405 - Disclosure - Intangible Assets and Liabilities (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IntangibleAssetsAndLiabilitiesDetails3</Role>
      <ShortName>Intangible Assets and Liabilities (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>2410402 - Disclosure - Fair Value Measurements (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FairValueMeasurementsNarrativesDetails</Role>
      <ShortName>Fair Value Measurements (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>2410403 - Disclosure - Fair Value Measurements (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FairValueMeasurementsDetails1</Role>
      <ShortName>Fair Value Measurements (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>2410404 - Disclosure - Fair Value Measurements (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/FairValueMeasurementsDetails2</Role>
      <ShortName>Fair Value Measurements (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>2411402 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsNarrativesDetails</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>2411403 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails1</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>2411404 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails2</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>2411405 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails3</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>2411406 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails4</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 4)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>2411407 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 5)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails5</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 5)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>74</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>2411408 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 6)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails6</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 6)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>2411409 - Disclosure - Risk Management and Use of Derivative Financial Instruments (Details 7)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/RiskManagementAndUseOfDerivativeFinancialInstrumentsDetails7</Role>
      <ShortName>Risk Management and Use of Derivative Financial Instruments (Details 7)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>76</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>2412402 - Disclosure - Debt (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/DebtNarrativesDetails</Role>
      <ShortName>Debt (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>77</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>2412403 - Disclosure - Debt (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/DebtDetails1</Role>
      <ShortName>Debt (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>78</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>2415402 - Disclosure - Equity (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityNarrativesDetails</Role>
      <ShortName>Equity (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>79</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>2415403 - Disclosure - Equity (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityDetails1</Role>
      <ShortName>Equity (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>2415404 - Disclosure - Equity (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/EquityDetails2</Role>
      <ShortName>Equity (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>2416402 - Disclosure - Income Taxes (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IncomeTaxesNarrativesDetails</Role>
      <ShortName>Income Taxes (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>82</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>2416403 - Disclosure - Income Taxes (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IncomeTaxesDetails1</Role>
      <ShortName>Income Taxes (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>2416404 - Disclosure - Income Taxes (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/IncomeTaxesDetails2</Role>
      <ShortName>Income Taxes (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>84</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R85.htm</HtmlFileName>
      <LongName>2417401 - Disclosure - Property Dispositions and Discontinued Operations (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/PropertyDispositionsAndDiscontinuedOperationsNarrativesDetails</Role>
      <ShortName>Property Dispositions and Discontinued Operations (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>85</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R86.htm</HtmlFileName>
      <LongName>2418402 - Disclosure - Segment Information (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SegmentInformationDetails1</Role>
      <ShortName>Segment Information (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>86</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R87.htm</HtmlFileName>
      <LongName>2418403 - Disclosure - Segment Information (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SegmentInformationDetails2</Role>
      <ShortName>Segment Information (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>87</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R88.htm</HtmlFileName>
      <LongName>2418404 - Disclosure - Segment Information (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SegmentInformationDetails3</Role>
      <ShortName>Segment Information (Details 3)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>88</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R89.htm</HtmlFileName>
      <LongName>2419402 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SelectedQuarterlyFinancialDataUnauditedNarrativesDetails</Role>
      <ShortName>Selected Quarterly Financial Data (Unaudited) (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>89</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R90.htm</HtmlFileName>
      <LongName>2419403 - Disclosure - Selected Quarterly Financial Information (Unaudited) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/SelectedQuarterlyFinancialInformationUnauditedDetails</Role>
      <ShortName>Selected Quarterly Financial Information (Unaudited) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>90</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R91.htm</HtmlFileName>
      <LongName>2420401 - Schedule - Schedule II - Valuation and Qualifying Accounts (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiValuationAndQualifyingAccountsDetails</Role>
      <ShortName>Schedule II - Valuation and Qualifying Accounts (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>91</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R92.htm</HtmlFileName>
      <LongName>2421401 - Schedule - Schedule III - Real Estate and Accumulated Depreciation (Narratives) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationNarrativesDetails</Role>
      <ShortName>Schedule III - Real Estate and Accumulated Depreciation (Narratives) (Details)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>92</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R93.htm</HtmlFileName>
      <LongName>2421402 - Schedule - Schedule III - Real Estate and Accumulated Depreciation (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationDetails1</Role>
      <ShortName>Schedule III - Real Estate and Accumulated Depreciation (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>93</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R94.htm</HtmlFileName>
      <LongName>2421403 - Schedule - Schedule III - Real Estate and Accumulated Depreciation (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIiiRealEstateAndAccumulatedDepreciationDetails2</Role>
      <ShortName>Schedule III - Real Estate and Accumulated Depreciation (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>94</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R95.htm</HtmlFileName>
      <LongName>2422401 - Schedule - Schedule IV - Mortgage Loans on Real Estate (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIvMortgageLoansOnRealEstateDetails1</Role>
      <ShortName>Schedule IV - Mortgage Loans on Real Estate (Details 1)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>95</Position>
    </Report>
    <Report instance="cpa17-20151231.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R96.htm</HtmlFileName>
      <LongName>2422402 - Schedule - Schedule IV - Mortgage Loans on Real Estate (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.cpa17global.com/role/ScheduleIvMortgageLoansOnRealEstateDetails2</Role>
      <ShortName>Schedule IV - Mortgage Loans on Real Estate (Details 2)</ShortName>
      <MenuCategory>Uncategorized</MenuCategory>
      <Position>96</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>cpa17-20151231.xml</File>
    <File>cpa17-20151231.xsd</File>
    <File>cpa17-20151231_cal.xml</File>
    <File>cpa17-20151231_def.xml</File>
    <File>cpa17-20151231_lab.xml</File>
    <File>cpa17-20151231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies/>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
