<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>25</ContextCount>
  <ElementCount>112</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>6</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Condensed Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/BalanceSheets</Role>
      <ShortName>Condensed Balance Sheets (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Condensed Balance Sheets (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/BalanceSheetsParenthetical</Role>
      <ShortName>Condensed Balance Sheets (Unaudited) (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Condensed Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/StatementsOfOperations</Role>
      <ShortName>Condensed Statements of Operations (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Condensed Statement of Partners' Deficit (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/StatementOfPartnersDeficit</Role>
      <ShortName>Condensed Statement of Partners' Deficit (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - Condensed Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/StatementsOfCashFlows</Role>
      <ShortName>Condensed Statements of Cash Flows (Unaudited)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - Investments in Local Limited Partnerships</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/InvestmentsInLocalLimitedPartnerships</Role>
      <ShortName>Investments in Local Limited Partnerships</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - Investments in Local Limited Partnerships (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/InvestmentsInLocalLimitedPartnershipsTables</Role>
      <ShortName>Investments in Local Limited Partnerships (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - Related Party Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/RelatedPartyTransactionsTables</Role>
      <ShortName>Related Party Transactions (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - Summary of Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Summary of Significant Accounting Policies (Details Narrative)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - Summary of Significant Accounting Policies - Schedule of Sale or Disposal of Equity Method Investments in Local Limited Partnership (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPolicies-ScheduleOfSaleOrDisposalOfEquityMethodInvestmentsInLocalLimitedPartnershipDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Sale or Disposal of Equity Method Investments in Local Limited Partnership (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - Summary of Significant Accounting Policies - Schedule of Anticipated Use of Cash Proceeds from Disposal of Local Limited Partnerships (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/SummaryOfSignificantAccountingPolicies-ScheduleOfAnticipatedUseOfCashProceedsFromDisposalOfLocalLimitedPartnershipsDetails</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Anticipated Use of Cash Proceeds from Disposal of Local Limited Partnerships (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - Investments in Local Limited Partnerships (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/InvestmentsInLocalLimitedPartnershipsDetailsNarrative</Role>
      <ShortName>Investments in Local Limited Partnerships (Details Narrative)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - Investments in Local Limited Partnerships - Schedule of Combined Condensed Statements of Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/InvestmentsInLocalLimitedPartnerships-ScheduleOfCombinedCondensedStatementsOfOperationsDetails</Role>
      <ShortName>Investments in Local Limited Partnerships - Schedule of Combined Condensed Statements of Operations (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - Related Party Transactions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/RelatedPartyTransactionsDetailsNarrative</Role>
      <ShortName>Related Party Transactions (Details Narrative)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - Related Party Transactions - Schedule of Accrued Fees and Expenses Due to General Partner and Affiliates (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://wncinc.com/role/RelatedPartyTransactions-ScheduleOfAccruedFeesAndExpensesDueToGeneralPartnerAndAffiliatesDetails</Role>
      <ShortName>Related Party Transactions - Schedule of Accrued Fees and Expenses Due to General Partner and Affiliates (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Process Flow-Through: 00000002 - Statement - Condensed Balance Sheets (Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2012'</Log>
    <Log type="Info">Process Flow-Through: 00000003 - Statement - Condensed Balance Sheets (Unaudited) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 00000004 - Statement - Condensed Statements of Operations (Unaudited)</Log>
    <Log type="Info">Process Flow-Through: 00000005 - Statement - Condensed Statement of Partners' Deficit (Unaudited)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '6 Months Ended
Sep. 30, 2012'</Log>
    <Log type="Info">Process Flow-Through: 00000006 - Statement - Condensed Statements of Cash Flows (Unaudited)</Log>
  </Logs>
  <InputFiles>
    <File>wncca3-20130930.xml</File>
    <File>wncca3-20130930.xsd</File>
    <File>wncca3-20130930_cal.xml</File>
    <File>wncca3-20130930_def.xml</File>
    <File>wncca3-20130930_lab.xml</File>
    <File>wncca3-20130930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
