2.4.0.8015 - Disclosure - Real Estate Held for Investment (Details)truefalsefalse1false USDfalsefalse$c22_From22Feb2012To23Feb2012_tractorsupplystarkvilleMemberhttp://www.sec.gov/CIK0001326321duration2012-02-22T00:00:002012-02-23T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2false USDfalsefalse$c24_From24Feb2012To23Feb2013_tractorsupplystarkvilleMemberhttp://www.sec.gov/CIK0001326321duration2012-02-24T00:00:002013-02-23T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$1false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse1false USDtruefalse$c22_From22Feb2012To23Feb2012_tractorsupplystarkvilleMemberhttp://www.sec.gov/CIK0001326321duration2012-02-22T00:00:002012-02-23T00:00:00falsefalseTractor Supply Starkville, MSus-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxisxbrldihttp://xbrl.org/2006/xbrldiaei26_tractorsupplystarkvilleMemberus-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$nanafalse0Tractor Supply Starkville, MS2true 3aei26_RealEstateHeldforInvestmentDetailsLineItemsaei26_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Real Estate Held for Investment (Details) [Line Items]3false 4us-gaap_SignificantAcquisitionsAndDisposalsDateOfTransactionForAcquisitionsOrDisposalsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002012-02-23falsefalsetrue2falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateDate of acquisition or disposal, in CCYY-MM-DD format.No definition available.false0Acquisitions and Disposals, Date of Transaction for Acquisition or Disposal4false 4us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquiredus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse0.530.53falsefalsefalse2falsefalsefalse00falsefalsefalsenum:percentItemTypepurePercentage of voting equity interests acquired at the acquisition date in the business combination.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 false0Business Acquisition, Percentage of Voting Interests Acquired5false 4us-gaap_BusinessAcquisitionNameOfAcquiredEntityus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00Tractor Supply Company store in Starkville, Mississippifalsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringName of the acquired entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 false0Business Acquisition, Name of Acquired Entity6false 4us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceedsus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15105001510500USD$falsetruefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe value of all consideration given or received by the Entity in the significant acquisition or disposal.No definition available.false2Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds7false 4us-gaap_FiniteLivedIntangibleAssetAcquiredInPlaceLeasesus-gaap_truedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse257767257767USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents the amount of value allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property. 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