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Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 true2Total revenues5true 2us-gaap_OperatingExpensesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Expenses:6false 3us-gaap_GeneralAndAdministrativeExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse20700002070000falsefalsefalse2truefalsefalse15680001568000falsefalsefalse3truefalsefalse40310004031000falsefalsefalse4truefalsefalse30630003063000falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2General and administrative7false 3us-gaap_OwnedPropertyManagementCostsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse26710002671000falsefalsefalse2truefalsefalse22440002244000falsefalsefalse3truefalsefalse58540005854000falsefalsefalse4truefalsefalse45060004506000falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate costs related to management of owned properties during the reporting period.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2Property expense8false 3us-gaap_ProfessionalFeesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse261000261000falsefalsefalse2truefalsefalse229000229000falsefalsefalse3truefalsefalse513000513000falsefalsefalse4truefalsefalse450000450000falsefalsefalsexbrli:monetaryItemTypemonetaryA fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.2(a),(b),(c),(d)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section 45 -Paragraph 3 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849 false2Legal and professional9false 3us-gaap_SalesCommissionsAndFeesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5200052000falsefalsefalse2truefalsefalse5300053000falsefalsefalse3truefalsefalse104000104000falsefalsefalse4truefalsefalse139000139000falsefalsefalsexbrli:monetaryItemTypemonetaryPrimarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 false2Real estate commissions10false 3us-gaap_BusinessCombinationAcquisitionRelatedCostsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse126000126000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse126000126000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThis element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 false2Acquisition costs11false 3us-gaap_DepreciationAndAmortizationus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse27380002738000falsefalsefalse2truefalsefalse21200002120000falsefalsefalse3truefalsefalse60370006037000falsefalsefalse4truefalsefalse43470004347000falsefalsefalsexbrli:monetaryItemTypemonetaryThe current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Depreciation and amortization12false 3reit_ImpairmentNotesReceivablereit_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  falsefalsefalse2truefalsefalse-229000-229000falsefalsefalse3falsefalsefalse00  falsefalsefalse4truefalsefalse-229000-229000falsefalsefalsexbrli:monetaryItemTypemonetaryThe income in earnings resulting from reversal of previous impairments.No definition available.false2Impairment recovery - notes receivable13false 3us-gaap_OperatingExpensesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse79180007918000falsefalsefalse2truefalsefalse59850005985000falsefalsefalse3truefalsefalse1666500016665000falsefalsefalse4truefalsefalse1227600012276000falsefalsefalsexbrli:monetaryItemTypemonetaryGenerally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.No definition available.true2Total expenses14false 2us-gaap_OperatingIncomeLossus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse28660002866000falsefalsefalse2truefalsefalse38760003876000falsefalsefalse3truefalsefalse60360006036000falsefalsefalse4truefalsefalse76450007645000falsefalsefalsexbrli:monetaryItemTypemonetaryThe net result for the period of deducting operating expenses from operating revenues.No definition available.true2Operating income15true 2us-gaap_OtherIncomeAndExpensesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Other income (expense):16false 3us-gaap_GainLossOnSaleOfPropertyPlantEquipmentus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  falsefalsefalse2falsefalsefalse00  falsefalsefalse3truefalsefalse76960007696000falsefalsefalse4falsefalsefalse00  falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Gain on sale of real estate acquired for investment17false 3us-gaap_InterestAndOtherIncomeus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse154000154000falsefalsefalse2truefalsefalse135000135000falsefalsefalse3truefalsefalse267000267000falsefalsefalse4truefalsefalse237000237000falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business).No definition available.false2Interest and other income18false 3reit_InterestAndOtherIncomeRelatedPartyreit_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse5300053000falsefalsefalse2truefalsefalse8500085000falsefalsefalse3truefalsefalse109000109000falsefalsefalse4truefalsefalse157000157000falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of interest income and other income earned from related party.No definition available.false2Interest and other income - related party19false 3us-gaap_ExtinguishmentOfDebtGainLossNetOfTaxus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00  falsefalsefalse2falsefalsefalse00  falsefalsefalse3falsefalsefalse00  falsefalsefalse4falsefalsefalse00  falsefalsefalsexbrli:monetaryItemTypemonetaryThe difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6401765&loc=d3e13305-112630 false2Gain on debt extinguishment20false 3us-gaap_IncomeLossFromEquityMethodInvestmentsus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse192000192000falsefalsefalse2truefalsefalse-66000-66000falsefalsefalse3truefalsefalse4400044000falsefalsefalse4truefalsefalse-102000-102000falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.12) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 11 -Article 7 false2Income (loss) from Advised Funds21false 3us-gaap_IncomeTaxExpenseBenefitus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-17000-17000falsefalsefalse2truefalsefalse1100011000falsefalsefalse3truefalsefalse-15000-15000falsefalsefalse4truefalsefalse-5000-5000falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 false2State income tax expense (benefit)22false 3us-gaap_InterestExpenseus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-2267000-2267000falsefalsefalse2truefalsefalse-2595000-2595000falsefalsefalse3truefalsefalse-4760000-4760000falsefalsefalse4truefalsefalse-5229000-5229000falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of the cost of borrowed funds accounted for 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