Cover [Abstract] Document Information [Table] Document Information [Line Items] Document and Entity Information Document Type Document Quarterly Report Document Period End Date Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Balance Sheets Statement [Table] Statement [Line Items] Statement Assets [Abstract] Assets: Real Estate Investment Property, Net [Abstract] Real estate assets: Land Land Investment Building and Building Improvements Buildings and improvements Fixtures and Equipment, Gross Fixtures and equipment Real Estate Investment Property, at Cost Total real estate assets, gross Real Estate Investment Property, Accumulated Depreciation Less accumulated depreciation Real Estate Investment Property, Net Real estate assets, net Finite-Lived Intangible Assets, Net Acquired real estate leases, less accumulated amortization of $15,468 and $14,648, respectively Asset, Held-for-Sale, Not Part of Disposal Group Assets held for sale Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents and restricted cash, end of period Cash, cash equivalents and restricted cash, beginning of year Cash, cash equivalents and restricted cash Cash, cash equivalents and restricted cash Total cash, cash equivalents and restricted cash Accounts Receivable, after Allowance for Credit Loss Tenant rent receivables Deferred Rent Receivables, Net Straight-line rent receivable Prepaid Expense and Other Assets Prepaid expenses and other assets Property, Plant and Equipment, Net Office computers and furniture, net of accumulated depreciation of $990 and $1,047, respectively Deferred Costs, Leasing, Net Deferred leasing commissions Deferred leasing commissions, net of accumulated amortization of $13,832 and $14,571, respectively Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity: Liabilities [Abstract] Liabilities: Secured Debt Initial Term Loans, less unamortized financing costs and OID of $21,864 Unsecured Debt Term loans payable, less unamortized financing costs of $441 Senior Notes Series A & Series B Senior Notes, less unamortized financing costs of $236 Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Employee-related Liabilities Accrued compensation Security Deposit Liability Tenant security deposits Operating Lease, Liability Lease liability Off-Market Lease, Unfavorable Acquired unfavorable real estate leases, less accumulated amortization of $59 and $56, respectively Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Equity, Attributable to Parent [Abstract] Stockholders' Equity: Preferred Stock, Value, Issued Preferred stock, $.0001 par value, 20,000,000 shares authorized, none issued or outstanding Common Stock, Value, Issued Common stock, $.0001 par value, 180,000,000 shares authorized, 104,011,708 and 103,690,340 shares issued and outstanding, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Accumulated Distributions in Excess of Net Income Accumulated distributions in excess of accumulated earnings Equity, Attributable to Parent Balance Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Finite-Lived Intangible Assets, Accumulated Amortization Acquired real estate leases, accumulated amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Office computers and furniture, accumulated depreciation Deferred Costs, Leasing, Accumulated Amortization Deferred leasing commissions, accumulated amortization Amount of unamortized line of credit discount (premium) and issuance costs. Line Of Credit, Unamortized Discount (Premium) and Issuance Costs Initial term loans, unamortized financing costs Unamortized Debt Issuance Expense Term loan payable, unamortized financing costs Unamortized deferred financing costs The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the senior notes. Senior Notes, Unamortized Debt Issuance Expense Series A & Series B Senior notes, unamortized financing costs The amount of accumulated amortization related to unfavorable real estate leases. Unfavorable Real Estate Leases Accumulated Amortization Acquired unfavorable real estate leases, accumulated amortization Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized (in shares) Preferred Stock, Shares Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Outstanding Preferred stock, shares outstanding (in shares) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized (in shares) Common Stock, Shares, Issued Common stock, shares issued (in shares) Common Stock, Shares, Outstanding Common stock, shares outstanding (in shares) Consolidated Statements of Operations Product and Service [Axis] Product and Service [Domain] Property consisting of land, land improvement and buildings. Rental Rental Revenues [Abstract] Revenues: Operating Lease, Lease Income Rental Revenues Total revenues Total consolidated revenues Costs and Expenses [Abstract] Expenses: Cost of Goods and Services Sold Real estate operating expenses Real Estate Taxes and Insurance Real estate taxes and insurance Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization General and Administrative Expense General and administrative Interest Expense, Operating Interest Interest expense Costs and Expenses Total expenses Gain (Loss) on Extinguishment of Debt Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Sale of Assets and Asset Impairment Charges Loss on sale of properties and impairment of assets held for sale, net (Gain) loss on sale of properties and impairment of assets held for sale, net Gain (loss) on sale of properties and impairment of assets held for sale, net Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities. Interest income Interest income Interest income Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before taxes Income Tax Expense (Benefit) Tax expense Net Income (Loss) Available to Common Stockholders, Basic Net loss Weighted Average Number of Shares Outstanding, Basic Weighted average number of shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average number of shares outstanding, diluted (in shares) Earnings Per Share, Basic Net loss per share, basic (in dollars per share) Earnings Per Share, Diluted Net loss per share, diluted (in dollars per share) Consolidated Statements of Stockholders' Equity Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Accumulated Distributions in Excess of Net Income [Member] Distributions in excess of accumulated earnings Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Issued Balance (in shares) Balance (in shares) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Equity-based compensation Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Shares Available for Grant, Shares granted Equity-based compensation (in shares) Dividends, Common Stock Distributions $0.01 per share of common stock Common Stock, Dividends, Per Share, Cash Paid Distributions common stock (in dollars per share) Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization expense Depreciation and amortization Amortization of above and below Market Leases Amortization of above and below market leases Share-Based Payment Arrangement, Noncash Expense Shares issued as compensation Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Tenant rent receivables Straight Line Rent Straight-line rents The increase (decrease) in the balance of operating lease acquisition costs, which represent payments made to tenants as part of a leasing arrangement. Increase (Decrease) in Operating Lease Acquisition Costs Lease acquisition costs Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Employee Related Liabilities Accrued compensation Increase (Decrease) in Security Deposits Tenant security deposits Increase (Decrease) in Deferred Leasing Fees Payment of deferred leasing commissions Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Property improvements, fixtures and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds received from sales of properties Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Payments of Ordinary Dividends, Common Stock Distributions to stockholders Proceeds from Secured Lines of Credit Proceeds received from Initial Term Loans Payment for Debt Extinguishment or Debt Prepayment Cost Cost of extinguished debt Cost of extinguished debt Repayments of Unsecured Debt Repayments of Term Loans payable Repayments of Senior Debt Repayments of Series A&B Senior Notes Payments of Financing Costs Deferred financing costs Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net decrease in cash, cash equivalents and restricted cash Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Cash Paid [Abstract] Cash paid for: Interest Paid, Excluding Capitalized Interest, Operating Activities Interest Income Taxes Paid Taxes No definition available. Cash Flow, Noncash Investing Activities Disclosure [Abstract] Non-cash investing activities: Capital Expenditures Incurred but Not yet Paid Accrued costs for purchases of real estate assets No definition available. Cash Flow, Noncash Financing Activities Disclosure [Abstract] Non-cash financing activities: The amount of the original issue discount associated with a debt instrument at the time it is issued. Debt Instrument, Original Issue Discount, Amount Initial Term Loan original issue discount Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards. Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards Term Loans Payable and Senior Notes Debt Disclosure [Text Block] Term Loans Payable and Senior Notes Net Income (Loss) Per Share Earnings Per Share [Text Block] Net Income (Loss) Per Share Stockholders' Equity Equity [Text Block] Stockholders' Equity Income Taxes Income Tax Disclosure [Text Block] Income Taxes Leases The entire disclosure of information about leases. Lease Disclosure [Text Block] Leases Disposition of Properties and Assets Held for Sale Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Disposition of Properties and Assets Held for Sale Segment Information Segment Reporting Disclosure [Text Block] Segment Information Subsequent Events Subsequent Events [Text Block] Subsequent Events Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Basis of Presentation Disclosure of accounting policy for financial instruments. Financial Instruments [Policy Text Block] Financial Instruments Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash, Cash Equivalents and Restricted Cash Consolidation, Variable Interest Entity, Policy [Policy Text Block] Variable Interest Entities (VIEs) New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Standards Schedule of Real Estate Properties [Table Text Block] Summary of the entity's investment in real estate assets, including number of properties and rentable square feet of real estate Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Reconciliation of cash, cash equivalents, and restricted cash Dividends Declared [Table Text Block] Schedule of dividends declared and paid Share-Based Payment Arrangement, Nonemployee Director Award Plan, Activity [Table Text Block] Schedule of granted shares under the Plan to non-employee directors with the compensation cost Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of income tax expense reflected in the consolidated statements of operations Tabular disclosure of components of income from operating lease and maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. Summary Of Income Relating To Lease Payments And Undiscounted Cash Flows Summary of income relating to lease payments Disposal Groups, Including Discontinued Operations [Table Text Block] Summary of operating results for discontinued operations Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of segment net operating income Summarization of information related to consolidated entities. Organization and Consolidation [Table] Ownership [Axis] Ownership [Domain] Represents information pertaining to FSP Investments LLC. FSP Investments LLC Represents information pertaining to FSP Property Management LLC. FSP Property Management LLC Represents information pertaining to FSP Holdings LLC. FSP Holdings LLC Represents information pertaining to FSP Protective TRS Corp. FSP Protective TRS Corp. Organization and Consolidation [Line Items] Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Ownership interest (as a percent) Real Estate Investments, Net [Abstract] Properties Number of Real Estate Properties Number of operating properties Number of real estate properties owned and consolidated by the entity. Number Of Properties Owned and Consolidated Number of properties Area of Real Estate Property Rentable square feet Number of real estate properties owned that are classified as assets held for sale. Number Of Properties Classified As Assets Held For Sale Number of properties classified as assets held for sale Cash and Cash Equivalent [Table] Counterparty Name [Axis] Counterparty Name [Domain] Represents information pertaining to FSP Monument Circle LLC. FSP Monument Circle LLC FSP Monument Circle LLC Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash Restricted Cash Restricted Cash, Statement of Financial Position [Extensible Enumeration] Variable Interest Entity [Table] Consolidated Entities [Axis] Consolidated Entities [Domain] Variable Interest Entity, Primary Beneficiary [Member] Variable interest entities ("VIEs") Variable Interest Entity [Line Items] Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards Variable Interest Entity, Initial Consolidation, Gain (Loss) Gain on consolidation of Sponsored REIT Equity Method Investment [Table] Schedule of Equity Method Investments [Line Items] Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards Low end of the range of the asset management fee as a percentage of collected rents. Asset Management Fees Percentage, Low End of Range Asset management fees, low end of range (as a percent) High end of the range of the asset management fee as a percentage of collected rents. Asset Management Fees Percentage, High End of Range Asset management fees, high end of range (as a percent) Represents the notice period for cancellation of applicable contracts. Notice Period for Cancellation of Asset Management Fee Contract Notice period for cancellation of applicable contracts Revenue, Product and Service [Extensible Enumeration] Type of revenue Interest and Fee Income, Loans, Commercial Interest income and fees from the Sponsored REIT Loans Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Represents information pertaining to the BMO Term Loan. BMO Term Loan BMO Term loan Represents the information pertaining to Bofa Term Loan. BofA Term Loan [Member] BofA Term Loan Senior Notes [Member] Senior notes Representing information about 8.00% Series A Senior Notes due April 1, 2026 (the "Series A Notes"). Percent 8.00 Series A Senior Notes Due April 1, 2026 [Member] Series A Notes Representing information about 8.00% Series B Senior Notes due April 1, 2026 (the "Series B Notes"). Percent 8.00 Series B Senior Notes Due April 1, 2026 [Member] Series B Notes Representing information about both note series A and B Series A Notes and Series B Notes [Member] Series A Notes and Series B Notes Secured Debt [Member] Secured credit facility Represents information pertaining to initial term loan. Initial Term Loan [Member] Initial term loan Represents information pertaining to delayed draw term loan. Delayed Draw Term Loans [Member] Delayed draw term loan Scenario [Axis] Scenario [Domain] Represents information pertaining to a scenario specifying payment upon 36th month anniversary of closing date. Upon 36th Month Anniversary Of Closing Date [Member] 36th month anniversary of Closing Date Represents information pertaining to a scenario specifying payment upon 39th month anniversary of closing date. Upon 39th Month Anniversary Of Closing Date [Member] 39th month anniversary of Closing Date Represents information pertaining to a scenario specifying payment upon 42nd month anniversary of closing date. Upon 42nd Month Anniversary Of Closing Date [Member] 42nd month anniversary of Closing Date Represents information pertaining to a scenario specifying payment upon 45th month anniversary of closing date. Upon 45th Month Anniversary Of Closing Date [Member] 45th month anniversary of Closing Date Represents information pertaining to a scenario specifying payment upon 48th month anniversary of closing date. Upon 48th Month Anniversary Of Closing Date [Member] 48th month anniversary of Closing Date Debt Instrument [Line Items] Term Loans Payable and Senior Notes Debt Instrument, Face Amount Principal amount of loan Repayments of Long-Term Lines of Credit Repayment of loan Period for which the maturity date of loans be extended expressed in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument, Extension Term Extension term The percentage of the original issue discount associated with a debt instrument at the time it is issued. Debt Instrument, Original Issue Discount, Percentage Original issue discount Debt Instrument, Unamortized Discount Unamortized issue discount Interest rate on funds borrowed upon exercise of extension option under the credit agreement. Debt Instrument, Interest Rate, Upon Exercise Of Extension Option, Percentage Interest rate on exercise of extension option Percentage of extension fee on principal amount payable by the entity if extension option is exercised. Debt Instrument, Extension Fee, Percentage Extension fee, percentage Percentage of exit fee payable on aggregate principal amount upon repayment prior to maturity. Debt Instrument, Exit Fees, Percentage Exit fee, percentage Value of minimum tangible net worth required to be maintained by the entity as part of compliance with the financial covenants under the credit agreement. Debt Instrument, Covenant Compliance, Minimum Tangible Net Worth, Amount Minimum tangible net worth Threshold percentage of aggregate net proceeds on any offerings made by the entity after the cut off date considered for calculation of tangible net worth financial covenants under credit agreement. Debt Instrument, Covenant Compliance, Threshold Percentage Of Net Proceeds From Equity Offerings After Cut Off Date Threshold net proceeds on equity offerings, percentage Threshold percentage of step-down impairment charge for the financial covenants under the credit agreement. Debt Instrument, Covenant Compliance, Threshold Percentage Of Step Down Impairment Charge Percentage of threshold for step-down impairment charge under the financial covenant Minimum liquidity in the form of cash and cash equivalents required to be maintained by the entity for compliance with the financial covenants under the credit agreement. Debt Instrument, Covenant Compliance, Minimum Liquidity In Cash And Cash Equivalents Minimum liquidity in cash and cash equivalents Line of Credit Facility, Interest Rate During Period Interest rate during period (as a percent) Debt, Weighted Average Interest Rate Weighted average interest rate (as a percent) Debt Instrument, Interest Rate, Effective Percentage Effective interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Interest rate (as a percent) Represents the total number of series of Senior Notes. Number Of Series of Senior Notes Number of series of senior notes Weighted Average Number of Shares Outstanding, Diluted, Adjustment Potential dilutive shares outstanding Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Plan Name [Axis] Plan Name [Domain] Represents information pertaining to the 2002 Stock Incentive Plan. 2002 Stock Incentive Plan 2002 Stock Incentive Plan Subsidiary, Sale of Stock [Line Items] Stockholders' Equity Share-Based Payment Arrangement, Noncash Expense [Abstract] Equity-Based Compensation Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Maximum number of shares provided for grant under equity-based incentive compensation plan Represents the number of vesting requirements for awards under an equity-based compensation plan. Share Based Compensation Arrangement by Share Based Payment Award Number of Vesting Requirements Number of vesting requirements Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Shares Available for Grant, Ending Shares Available for Grant, Beginning The amount of compensation cost as the the end of the reporting period. Compensation Cost Compensation Cost, Ending Compensation Cost, Beginning Share-Based Payment Arrangement, Expense, after Tax Compensation Cost, Shares granted Dividends [Abstract] Dividends declared and paid Common Stock, Dividends, Per Share, Declared Dividends Per Share (in dollars per share) Dividends, Common Stock, Cash Total Dividends Represents the maximum ownership that the entity can hold as a percentage of the voting power or value of the securities of each issuer which is not a REIT or Taxable REIT Subsidiary. Maximum Ownership Percentage in Each Issuer Other than REIT or TRS to Maintain REIT Status Maximum ownership as a percentage of the voting power or value of the securities of each issuer other than REIT or "TRS" Represents the maximum ownership in all Taxable REIT Subsidiaries that can be held by the entity as a percentage of its assets value to maintain its REIT status. Maximum Ownership in All Taxable REIT Subsidiaries as Percentage of Assets of Entity to Maintain REIT Status Maximum ownership of securities in all TRS (as a percent) Represents the maximum ownership in all Taxable REIT Subsidiaries that can be held by the entity as a percentage of its assets value when considered together with other non-real estate assets to maintain its REIT status. Maximum Ownership in All Taxable REIT Subsidiaries as Percentage of Assets of Entity to Maintain REIT Status Including Other Non Real Estate Assets Maximum ownership of securities in all TRS when considered together with other non-real estate assets (as a percent) Amount of operating loss carryforward of TRS, before tax effects, available to reduce future taxable income under enacted tax laws. Operating Loss Carry forwards R E I T Subsidiary Gross amount of NOL of TRS The portion of the valuation allowance reversed during the period pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely that a tax benefit will be realized. Operating Loss Carryforwards, REIT Subsidiary, Valuation Allowance Reversal Reversal of valuation allowance Represents the period of statute of limitations for the entity's income tax returns, that remain subject to examination. Period of Statute of Limitations Period of statute of limitations applicable to the entity's income tax returns Operating Loss Carryforward [Abstract] Net operating losses Represents the period after which the net operating losses expire. Operating Loss Carryforwards Expiration Period NOLs expiration period Operating Loss Carryforwards Gross amount of NOLs available to company Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Expense Deferred Federal, State and Local, Tax Expense (Benefit) Federal Income Tax The portion of the difference between total income tax expense or benefit as reported in the income statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the Revised Texas Franchise Tax. Income Tax Reconciliation Revised Texas Franchise Tax Revised Texas Franchise Tax Deferred Income Tax Expense (Benefit) Deferred income taxes Operating Lease, Lease Income [Abstract] Income relating to lease payments: Represents lease income from operating lease less straight-line rent adjustment and amortization of favorable and unfavorable leases. Operating Lease Lease Income Less Straight Line Rent Adjustment and Amortization Of Favorable And Unfavorable Leases Income from leases Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Undiscounted Cash Flows Operating Lease, Variable Lease Income Variable lease payments Disposal Groups, Including Discontinued Operations [Table] Disposal Group Classification [Axis] Disposal Group Classification [Domain] Disposal Group, Not Discontinued Operations [Member] Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Disposal group disposed of by sale Disposal Group Name [Axis] Disposal Group Name [Domain] Represents information pertaining to property located in Indianapolis, Indiana. Property In Indianapolis Indiana [Member] Property in Indianapolis Represents the information pertaining to Greenwood Plaza property located in Englewood, Colorado. Greenwood Plaza Property, Englewood, Colorado [Member] Greenwood Plaza property located in Englewood, Colorado Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Disposition of Properties and Assets Held for Sale Amount of gross sales price of property held for sale. Gross Sales Price Of Property Held For Sale Gross sales price of property held for sale Gain (Loss) on Sale of Properties Loss on sale of property Amount classified as real estate investment property, net, attributable to disposal group held for sale or disposed of. Disposal Group, Including Discontinued Operation, Real Estate Investment Property, Net Real estate assets Asset Impairment Charges Impairment charge Proceeds from Sale, Property, Held-for-Sale Sale price Impairment of Long-Lived Assets to be Disposed of Impairment loss The amount of final sales adjustments increased (decreased) to the selling price of the asset held for sale. Assets Held for Sale, Final Sales Adjustment, Amount Impairment loss after sale adjustment Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Operating results for discontinued operations: Disposal Group, Including Discontinued Operation, Revenue Rental revenue Disposal Group, Including Discontinued Operation, Operating Expense Rental operating expenses Amount of real estate taxes and insurance attributable to disposal group, but not limited to, discontinued operation. DisposalGroupIncludingDiscontinuedOperationRealEstateTaxesAndInsurance Real estate taxes and insurance Disposal Group, Including Discontinued Operation, Depreciation and Amortization Depreciation and amortization Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax (Loss) income from dispositions and assets held for sale Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Domain] Represents the information pertaining to single segment being Real Estate Operations. Real Estate Operations [Member] Real Estate Operations Segment Reporting Information [Line Items] Segment Information Number of Operating Segments Number of operating segments Number of Reportable Segments Number of reporting segments Operating Income (Loss) Segment NOI Segment NOI Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent event Subsequent Event [Line Items] Repayments of Secured Debt Repayment of the Initial Term Loans