Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Title of 12(b) Security Title of 12(b) Security Adjusted net loss Net Income (Loss) Available to Common Stockholders, Diluted Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Liquidating distribution payable Liquidating Distribution Payable Liquidating Distribution Payable Adjustment to Compensation, Amount Adjustment to Compensation Amount Real Estate [Line Items] Real Estate [Line Items] Segment Reporting [Abstract] Segment Reporting [Abstract] Additional distributions rate Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Value Of Additional Liquidating Distributions To Shareholders Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Value Of Additional Liquidating Distributions To Shareholders Payment of tax withholdings for restricted share awards Payment, Tax Withholding, Share-Based Payment Arrangement Restatement Determination Date Restatement Determination Date Derivative Instrument [Axis] Derivative Instrument [Axis] Share grants, net of forfeitures and tax withholdings (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Liquidation Basis Of Accounting [Table] Liquidation Basis Of Accounting [Table] Liquidation Basis Of Accounting [Table] Amendment Flag Amendment Flag Credit losses on lease related receivables Accounts Receivable, Credit Loss Expense (Reversal) Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal group Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Distributions to noncontrolling interests Payments to Noncontrolling Interests Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Shares of beneficial interest, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Riverside Apartments Riverside Apartments [Member] Riverside Apartments Total unvested restricted share awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Aggregate notional amount Derivative, Notional Amount Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Entity Address, City or Town Entity Address, City or Town Number apartment communities Number Apartment Communities Owned Number Apartment Communities Owned Number of purchase and sale agreements Number Of Purchase And Sale Agreements Number Of Purchase And Sale Agreements Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Duration fee (as a percent) Debt Instrument, Duration Fee Percent Debt Instrument, Duration Fee Percent Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 2026 Term Loan 2026 Term Loan [Member] 2026 Term Loan Adjusted net loss Net Income (Loss) Available to Common Stockholders, Basic Other Corporate And Reconciling Items [Member] Corporate And Reconciling Items Other expense Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Variable rate, increase (decrease) (as a percent) Debt Instrument, Basis Spread On Variable Rate, Quarterly Increase Debt Instrument, Basis Spread On Variable Rate, Quarterly Increase Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenue Benchmark Revenue Benchmark [Member] Outside Of Washington, DC Metro Region Outside Of Washington, DC Metro Region [Member] Outside Of Washington, DC Metro Region Name of Property [Axis] Name of Property [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Reconciliation of Net Operating Income of Reportable Segments Segment Reporting [Table Text Block] Noncontrolling Interests in Subsidiaries Noncontrolling Interest [Member] Liquidation Basis Of Accounting, Assets And Liabilities [Domain] Liquidation Basis Of Accounting, Assets And Liabilities [Domain] Liquidation Basis Of Accounting, Assets And Liabilities [Domain] Number of residential apartment homes Number Of Apartment Homes Sold In Real Estate Sale Number Of Apartment Homes Sold In Real Estate Sale Use of Estimates in the Financial Statements Use of Estimates, Policy [Policy Text Block] Shares issued under dividend reinvestment program (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Remaining outstanding balance Long-Term Debt Document Period End Date Document Period End Date Estimated net inflows from interest income Estimated Net Inflows From Interest Income [Member] Estimated Net Inflows From Interest Income Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Debt instrument face amount Debt Instrument, Face Amount Residential Residential Segment [Member] Residential Segment SHAREHOLDERS' EQUITY Equity [Text Block] Expenses Costs and Expenses [Abstract] Net assets in liquidation Net assets in liquidation, beginning of period Net assets in liquidation, end of period Net assets in liquidation Net Assets Security Exchange Name Security Exchange Name Equity Distribution Agreements [Line Items] Equity Distribution Agreements [Line Items] Equity Distribution Agreements [Line Items] General and administrative expenses Liquidation Basis Of Accounting, General And Administrative Expenses [Member] Liquidation Basis Of Accounting, General And Administrative Expenses Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Common shares of beneficial interest reserved for future issuance Common Stock, Capital Shares Reserved for Future Issuances, Value Common Stock, Capital Shares Reserved for Future Issuances, Value Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Share-based payment award, authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Number of interest rate swap arrangements Number of Interest Rate Derivatives Held Revenue, type [Extensible Enumeration] Revenue, Product and Service [Extensible Enumeration] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] EARNINGS PER COMMON SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] PLAN OF SALE AND LIQUIDATION LIABILITIES FOR ESTIMATED COSTS IN EXCESS OF ESTIMATED RECEIPTS DURING LIQUIDATION NET ASSETS IN LIQUIDATION Liquidation Basis of Accounting [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Net amortization of debt premiums, discounts and related financing costs Amortization of Debt Issuance Costs and Discounts Fixed interest rate (as a percent) Derivative, Fixed Interest Rate Numerator: Earnings Per Share, Numerator [Abstract] Earnings Per Share, Numerator [Abstract] Remeasurement of assets and liabilities, net Liquidation Basis Of Accounting Remeasurement Of Assets (Liabilities), Net, Value Liquidation Basis Of Accounting Remeasurement Of Assets (Liabilities), Net, Value Portfolio Sale Transaction Portfolio Sale Transaction [Member] Portfolio Sale Transaction Depreciation and amortization Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Liquidating distributions per share, cash paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Goldman Sachs Bank USA Goldman Sachs Bank USA [Member] Goldman Sachs Bank USA Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Disposal Group Name [Domain] Disposal Group Name [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Dividends Dividends DERIVATIVE INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Dividend payable Dividends Payable Debt instrument, variable rate, floor (as a percent) Debt Instrument, Variable Rate, Floor Debt Instrument, Variable Rate, Floor Schedule of Real Estate Investment Portfolio Disposal Groups, Including Discontinued Operations [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Net operating income Gross Profit Variable rate cap (as a percent) Debt Instrument, Variable Rate, Cap Debt Instrument, Variable Rate, Cap Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Washington, DC Metro Region Washington, DC Metro Region [Member] Washington, DC Metro Region Payment of financing costs Payment of Financing and Stock Issuance Costs Award Timing Predetermined Award Timing Predetermined [Flag] Capital improvements to real estate Payments for Capital Improvements Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Changes in net assets in liquidation Change in Contract with Customer, Asset [Abstract] Liquidation Basis Of Accounting [Roll Forward] Liquidation Basis Of Accounting [Roll Forward] Liquidation Basis Of Accounting Net loss Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Plan Name [Domain] Plan Name [Domain] Extension fee (as a percent) Debt Instrument, Extension Fee Percent Debt Instrument, Extension Fee Percent Scenario [Domain] Scenario [Domain] Reconciliation of cash, cash equivalents and restricted cash: Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Liabilities for estimated costs in excess of estimated receipts during liquidation As of December 31, 2025 As of June 30, 2026 Liquidation Basis of Accounting, (Assets) and Liabilities Amount Liquidation Basis of Accounting, (Assets) and Liabilities Amount Schedule of Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] SEGMENT INFORMATION Segment Reporting [Text Block] Expiration Date Trading Arrangement Expiration Date Real Estate [Table] Real Estate [Table] Number of office properties Number Of Office Properties Owned Number Of Office Properties Owned Liabilities Liabilities [Abstract] Area of real estate property sold Area Of Real Estate Property Sold Area Of Real Estate Property Sold Number of properties Number Of Communities Number Of Communities Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Restricted cash Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Disposal Group, Including Discontinued Operations [Line Items] Disposal Group, Including Discontinued Operations [Line Items] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other expense: Other Income and Expenses [Abstract] Derivative [Table] Derivative [Table] Shares issued under equity distribution agreements (in shares) Sale of Stock, Number of Shares Issued in Transaction Number of units Number of Units in Real Estate Property Liquidation Basis Of Accounting, Assets And Liabilities [Axis] Liquidation Basis Of Accounting, Assets And Liabilities [Axis] Liquidation Basis Of Accounting, Assets And Liabilities Exercise Price Award Exercise Price Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Share grants, net of forfeitures and tax withholdings Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Schedule of Change in Liabilities for Estimated Costs in Excess of Estimated Receipts Liquidation Basis Of Accounting, Estimated Costs In Excess Of Estimated Receipts [Table Text Block] Liquidation Basis Of Accounting, Estimated Costs In Excess Of Estimated Receipts Property management Property management expenses Costs of Goods and Services Sold, Property Management Costs of Goods and Services Sold, Property Management Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segment [Domain] Segments [Domain] Interest rate swaps Interest Rate Swap [Member] Lender Name [Axis] Lender Name [Axis] Income producing property Rental Properties, Liquidation Value Rental Properties, Liquidation Value SECURED TERM LOAN PAYABLE Debt Disclosure [Text Block] Collateral deposit Debt Instrument, Covenant, Shortfall Account, Minimum Required Balance Debt Instrument, Covenant, Shortfall Account, Minimum Required Balance Scenario [Axis] Scenario [Axis] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Elme Watkins Mill Elme Watkins Mill [Member] Elme Watkins Mill Remeasurements of Assets and Liabilities Liquidation Basis Of Accounting, Remeasurement Of Assets And Liabilities Liquidation Basis Of Accounting, Remeasurement Of Assets And Liabilities Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] REAL ESTATE Real Estate Disclosure [Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Real Estate Properties [Domain] Real Estate Properties [Domain] Total expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Aggregate purchase price Disposal Group, Including Discontinued Operation, Consideration Total other income (expense) Nonoperating Income (Expense) Disposal group, not discontinued operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Real Estate [Domain] Real Estate [Domain] Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Liabilities Disclosure [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Insider Trading Policies and Procedures [Line Items] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Change in accrued capital improvements and development costs Change In Accrued Capital Improvement And Development Costs Change In Accrued Capital Improvement And Development Costs Entity Central Index Key Entity Central Index Key Equity Distribution Agreements [Table] Equity Distribution Agreements [Table] Equity Distribution Agreements [Table] All Adjustments to Compensation All Adjustments to Compensation [Member] Name of Property [Domain] Name of Property [Domain] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Term loan, extension, term (in years) Debt Instrument, Extension Option, Term Debt Instrument, Extension Option, Term Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Atlanta Metro Region Atlanta Metro Region [Member] Atlanta Metro Region Basis spread on variable rate (as a percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Dividends paid Payments of Dividends Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Changes In Net Assets In Liquidation [Abstract] Changes In Net Assets In Liquidation Equity Distribution Agreement Equity Distribution Agreement [Member] Equity Distribution Agreement Restricted Share Awards Restricted Share Awards [Member] Restricted Share Awards [Member] Operating Segments Operating Segments [Member] Interest expense Interest expense Interest expense Interest Expense, Nonoperating Capital expenditures Segment Capital Expenditures Payment for capital expenditures by segment SHARE-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Real estate taxes and insurance Real Estate Taxes and Insurance Changes in operating other assets Increase (Decrease) in Other Operating Assets NATURE OF BUSINESS Nature of Operations [Text Block] PEO PEO [Member] Stock based compensation expense Share-Based Payment Arrangement, Expense Number of properties sold Number Of Assets Proposed For Sale Number Of Assets Proposed For Sale Aggregate number of shares additional authorized for stock based awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Subsequent Event Type [Domain] Subsequent Event Type [Domain] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Diluted net loss per common share (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Capital expenditures Liquidation Basis Of Accounting, Capital Expenditures [Member] Liquidation Basis Of Accounting, Capital Expenditures Assets Liquidation Basis Of Accounting, Assets [Member] Liquidation Basis Of Accounting, Assets Segment Reporting [Table] Segment Reporting [Table] Distributions in Excess of Net Income Accumulated Distributions in Excess of Net Income [Member] Sale of Stock [Axis] Sale of Stock [Axis] Multifamily Multifamily [Member] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Real estate operating income Operating Income (Loss) Liquidation Basis Of Accounting [Line Items] Liquidation Basis Of Accounting [Line Items] Liquidation Basis Of Accounting [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Changes in net assets in liquidation Liquidation Basis of Accounting, Asset, Remeasurement, Gain (Loss) Number of assets Number Of Assets Number Of Assets Number of remaining properties sold Number Of Real Estate Properties Sold Number Of Real Estate Properties Sold Property operating and maintenance Property Operating and Maintenance Property Operating and Maintenance Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative [Line Items] Derivative [Line Items] Liabilities Liquidation Basis Of Accounting, Liabilities [Member] Liquidation Basis Of Accounting, Liabilities Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per common share (in dollars per share) Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Office Office Building [Member] Distributions to noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Equity Components [Axis] Equity Components [Axis] The Kenmore, 3801 Connecticut Avenue, and Elme Bethesda The Kenmore, 3801 Connecticut Avenue, And Elme Bethesda [Member] The Kenmore, 3801 Connecticut Avenue, And Elme Bethesda Increase (Decrease) in Net Assets, Liquidation Basis [Roll Forward] Increase (Decrease) in Net Assets, Liquidation Basis [Roll Forward] Increase (Decrease) in Net Assets, Liquidation Basis Entity Interactive Data Current Entity Interactive Data Current Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Elme Germantown Elme Germantown [Member] Elme Germantown Entity Small Business Entity Small Business Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Exit fee (as a percent) Debt Instrument, Exit Fee Percent Debt Instrument, Exit Fee Percent Proceeds from sale of real estate Proceeds from Sale of Real Estate Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Washington Real Estate Investment Trust 2016 Omnibus Incentive Plan Washington Real Estate Investment Trust 2016 Omnibus Incentive Plan [Member] Washington Real Estate Investment Trust 2016 Omnibus Incentive Plan [Member] Cash Payments (Receipts) Liquidation Basis Of Accounting, Cash Payments (Receipts), Net Liquidation Basis Of Accounting, Cash Payments (Receipts), Net Incentive plan, period in effect (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Document Type Document Type Fair Value as of Grant Date Award Grant Date Fair Value Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Non-real estate capital improvements Payments to Acquire Other Productive Assets Extension option, maximum outstanding borrowings on the first day of extended term Debt Instrument, Extension Option, Maximum Outstanding Borrowings On First Day Of Extended Term Debt Instrument, Extension Option, Maximum Outstanding Borrowings On First Day Of Extended Term Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Real estate rental revenue Revenues Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Anticipated liquidation period (in months) Liquidation Basis Of Accounting, Expected Liquidation Period Liquidation Basis Of Accounting, Expected Liquidation Period Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Liquidation transaction costs Liquidation Transaction Costs [Member] Liquidation Transaction Costs Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Reclassification of unrealized loss on interest rate derivatives to earnings Amortization of swap settlements Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities PEO Name PEO Name Geographical [Axis] Geographical [Axis] Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Unrealized gain on interest rate hedges Unrealized gain on interest rate hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Debt payable Notes Payable Cash, cash equivalents and restricted cash Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Debt Instrument [Axis] Debt Instrument [Axis] Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Debt repayment and origination costs, net Liquidation Basis Of Accounting, Debt Repayment And Origination Costs, Net [Member] Liquidation Basis Of Accounting, Debt Repayment And Origination Costs, Net Disposal Group Name [Axis] Disposal Group Name [Axis] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic net loss per common share (in dollars per share) Earnings Per Share, Basic Insider Trading Arrangements [Line Items] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Real Estate, Type of Property [Axis] Real Estate, Type of Property [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Shares of Beneficial Interest at Par Value Common Stock [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Number of properties that does not meet criteria for reportable segment Number Of Properties That Do Not Meet Criteria For Reportable Segment Number Of Properties That Do Not Meet Criteria For Reportable Segment Concentration risk, percentage (more than) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Real Estate Property Ownership [Axis] Real Estate Property Ownership [Axis] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Changes in operating other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Tabular List, Table Tabular List [Table Text Block] Total Shareholders’ Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] General and administrative General and administrative expenses General and Administrative Expense Adjustment to Compensation: Adjustment to Compensation [Axis] Number of real estate properties Number of Real Estate Properties Net decrease in liquidation value Liquidation Basis of Accounting, Other Item Previously Not Recognized, Remeasurement, Gain (Loss) Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest, net of amounts capitalized Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Short-term incentive plan, performance measurement in implementing plan of sale and liquidation Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Performance Measurement In Implementing Plan Of Sale And Liquidation Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Performance Measurement In Implementing Plan Of Sale And Liquidation Allocation of earnings to unvested restricted share awards Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Sales of remaining assets Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Sale Of Remaining Assets Short-Term Incentive Plan, Weighting Of Achievement Award Opportunity, Sale Of Remaining Assets Statement Of Changes In Net Assets, Liquidation Basis [Abstract] Statement Of Changes In Net Assets, Liquidation Basis Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Name Measure Name Pay vs Performance Disclosure [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additional Paid in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Property Concentration Risk Property Concentration Risk [Member] Property Concentration Risk Interest expense Liquidation Basis Of Accounting, Interest Expense [Member] Liquidation Basis Of Accounting, Interest Expense Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Net loss Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Real Estate [Abstract] Real Estate [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Liquidation value of income producing property Liquidation Basis Of Accounting, Remeasurement, Gain (Loss) on Income Producing Property Liquidation Basis Of Accounting, Remeasurement, Gain (Loss) on Income Producing Property Variable interest rate (as a percent) Derivative, Variable Interest Rate Real estate expenses Cost of Product and Service Sold Estimated net inflows from income producing property Estimated Net Inflows From Income Producing Property [Member] Estimated Net Inflows From Income Producing Property Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net decrease in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Rents and other receivables Accounts and Financing Receivable, after Allowance for Credit Loss Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Line of credit borrowings, net Proceeds from (Repayments of) Lines of Credit Revenue Revenues [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATIONS Basis of Presentation and Significant Accounting Policies [Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Real Estate [Member]