Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Schedule of Intangible Asset and Goodwill Intangible Asset and Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Impaired properties sold Impaired Properties Sold Impaired Properties Sold Internally Assigned Grade 3 Internally Assigned Grade 3 [Member] Internally Assigned Grade 3 Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Title of each class Title of 12(b) Security Net (loss) income — diluted Net Income (Loss) Available to Common Stockholders, Diluted Carrying Value Reported Value Measurement [Member] Subsequent events Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Weighted average interest rate (as a percent) Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Net Lease Office Properties Net Lease Office Properties [Member] Net Lease Office Properties Amounts reclassified from accumulated other comprehensive loss to: Other Comprehensive (Income) Loss, Reclassification Adjustment From AOCI [Abstract] Other Comprehensive (Income) Loss, Reclassification Adjustment From AOCI [Abstract] Customer [Axis] Customer [Axis] Common stock, $0.001 par value, $45,000,000 shares authorized; $14,814,075 shares issued and outstanding Common Stock, Value, Issued Entity Ex Transition Period Entity Ex Transition Period Restatement Determination Date Restatement Determination Date Spin-Off, stock dividend rate Stockholders' Equity Note, Spinoff Transaction, Stock Dividend Rate Stockholders' Equity Note, Spinoff Transaction, Stock Dividend Rate Measurement Frequency [Axis] Measurement Frequency [Axis] In-place lease intangible assets and other In-place lease Leases, Acquired-in-Place [Member] Finance Receivables Financing Receivables [Text Block] Current income tax expense Current Income Tax Expense (Benefit) Amendment Flag Amendment Flag Lease termination income Gain (Loss) on Termination of Lease Variable Interest Entities [Axis] Consolidated Entities [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Accumulated depreciation and amortization Real Estate Investment Property, Accumulated Depreciation Disposal Group Classification [Axis] Disposal Group Classification [Axis] Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Non-recourse mortgage Non-Recourse Mortgages Mortgage Notes Payable [Member] Mortgage Notes Payable Other Comprehensive Loss Other comprehensive loss: Other Comprehensive Income (Loss), Net of Tax [Abstract] Gross property subject to operating lease Property, Plant, and Equipment, Lessor Asset under Operating Lease, before Accumulated Depreciation Variable Interest Entities [Domain] Consolidated Entities [Domain] Agreements and Transactions with Related Parties Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Reconciliation of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Change in Cash and Cash Equivalents and Restricted Cash During the Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation [Abstract] Entity Address, State Entity Address, State or Province Properties Located In Raleigh, North Carolina Properties Located In Raleigh, North Carolina [Member] Properties Located In Raleigh, North Carolina PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation adjustments Foreign currency translation adjustments Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Amounts reclassified from accumulated other comprehensive loss to Reclassification out of Accumulated Other Comprehensive Income [Member] Basic (in shares) Weighted-average shares outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Non-recourse mortgage Secured Debt Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Other real estate owned, measurement input Other Real Estate Owned, Measurement Input Investments in real estate Real Estate Investment Property, at Cost Entity Address, City Entity Address, City or Town Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Receivables [Abstract] Receivables [Abstract] Lease payments receivable Sales-type Lease, Lease Receivable Number of properties sold (property) Number of properties sold (property) Number Of Properties Sold The number of properties sold during the period. Statement Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Net Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount S2026Q1 Dividends S2026Q1 Dividends [Member] S2026Q1 Dividends Net (loss) income — basic Net Income (Loss) Available to Common Stockholders, Basic Increase (decrease) in carrying value of real estate Other Real Estate, Period Increase (Decrease) Schedule of Net Investments in Direct Financing Leases Direct Financing Lease, Net Investment in Lease [Table Text Block] Direct Financing Lease, Net Investment in Lease Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Other Income and Expenses Nonoperating Income (Expense) [Abstract] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Net current period other comprehensive income Net current period other comprehensive loss Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Dividends [Domain] Dividends [Domain] Name of Property [Axis] Name of Property [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Mezzanine Loan Facility Mezzanine Loan Facility [Member] Mezzanine Loan Facility Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Land Land [Member] Noncontrolling Interests Noncontrolling Interest [Member] Related Party [Axis] Related and Nonrelated Parties [Axis] Above-market rent intangible assets Above-market rent intangible assets Finite-Lived Intangible Asset, Off-market Lease, Favorable, Net The element represents the identifiable intangible asset that was established upon acquisition based on a favorable difference between the terms of an acquired lease and the current market terms for that lease at the acquisition date, net of accumulated amortization at the balance sheet date. Asset management fees, annual expense Asset Management Fee, Annual Expense Asset Management Fee, Annual Expense Less: Accumulated depreciation Property, Plant, and Equipment, Lessor Asset under Operating Lease, Accumulated Depreciation Financing receivable, allowance for credit loss, excluding accrued interest Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Document Period End Date Document Period End Date Net Cash Provided by 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] Advisor Advisor [Member] Advisor Principal amount Debt Instrument, Face Amount Gain (loss) on sale of real estate, net (Gain) loss on sale of real estate, net Loss on sale of real estate, net (Note 12) Gain (Loss) on Sale of Properties Stock-Based Compensation and Equity Equity [Text Block] Operating Expenses Costs and Expenses [Abstract] Name of each exchange on which registered Security Exchange Name Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Entity Shell Company Entity Shell Company Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Gross amount Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss Schedule of Real Estate Schedule of Real Estate Properties [Table Text Block] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus One Property One Property [Member] One Property Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Total liabilities Liabilities Trading Symbol Trading Symbol Internally Assigned Grade 5 Internally Assigned Grade 5 [Member] Internally Assigned Grade5 [Member] 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 Distributions to noncontrolling interest Payments of Ordinary Dividends, Noncontrolling Interest Schedule of Reconciliation of Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Two Properties Two Properties [Member] Two Properties Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash Flows — Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted-average shares outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Impairments Fair Value Assets And Liabilities Measured On Non Recurring Basis [Line Items] Fair Value Assets And Liabilities Measured On Non Recurring Basis [Line Items] Financing Receivable Accounts, Notes, Loans and Financing Receivable Accounts, Notes, Loans and Financing Receivable [Line Items] Depreciation and amortization, including intangible assets and deferred financing costs Depreciation And Amortization, Including Intangible Assets And Deferred Financing Costs Depreciation And Amortization, Including Intangible Assets And Deferred Financing Costs Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction Related Party Transaction [Line Items] Disposal Group Name [Domain] Disposal Group Name [Domain] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Dividends payable Dividends Payable Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] In-place lease intangible assets and other In-place lease intangible assets and other Finite-Lived Intangible Asset, Acquired-in-Place Leases, Net This element represents the amount of value that was allocated by a lessor (acquirer) to lease agreements which exist at acquisition of a leased property at the balance sheet date. Such amount may include the value assigned to existing tenant relationships and excludes the market adjustment component of the value assigned for above or below-market leases acquired. Net changes in other operating assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Schedule of Assets Held for Sale, Net Long-Lived Asset, Held-for-Sale [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Intangible Asset, Goodwill and Other [Abstract] Distributions in excess of accumulated earnings Accumulated Distributions in Excess of Net Income 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] Administrative fees, annual expense amount Administrative Fee Expense, Base Annual Amount Administrative Fee Expense, Base Annual Amount Area of real estate property Area of Real Estate Property Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Intangible Assets and Liabilities and Goodwill Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block] All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Finite Lived Intangible Liabilities by Major Class [Domain] Finite Lived Intangible Liabilities By Major Class [Domain] Finite Lived Intangible Liabilities By Major Class Depreciation Depreciation Fair Value Measurements Fair Value Disclosure For Impairments Fair Value Disclosure For Impairments Scenario [Domain] Scenario [Domain] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Schedule of Earnings Per Share Reconciliation Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Expiration Date Trading Arrangement Expiration Date 2030 Long-Term Debt, Maturity, Year Four Effect of exchange rate changes on cash and cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Weighted-Average Shares Outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total equity Balance - beginning of period Balance - end of period 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] Real Estate Property, Ownership [Table] Real Estate Property, Ownership [Table] Disposal Group, Including Discontinued Operations Disposal Group, Including Discontinued Operations [Line Items] Buildings and improvements Building and Building Improvements [Member] Amortization of rent-related intangibles and deferred rental revenue Amortization Of Rent Related Intangibles And Deferred Rental Revenue Amortization Of Rent Related Intangibles And Deferred Rental Revenue Distributions declared ($10.05 per share) Dividends, Common Stock Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Earnings Per Share Reconciliation Earnings Per Share Reconciliation [Abstract] Stock Based Compensation and Equity Accumulated Other Comprehensive Income (Loss) [Line Items] Schedule of Carrying Values and Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Cash Flows — Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Long-Lived Assets Held-for-sale Long-Lived Asset, Held-for-Sale [Line Items] Document Quarterly Report Document Quarterly Report 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] Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Payments of mortgage principal and other debt instruments Repayments of Long-Term Debt Net investments in direct financing leases Financing Receivable, after Allowance for Credit Loss Receivables, fair value Receivables, Fair Value Disclosure Disposal Group Classification [Domain] Disposal Group Classification [Domain] Scheduled Mortgage Debt Principal Payments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Impairment Disclosure Impairment Disclosure [Abstract] Impairment Disclosure [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Land, Buildings and Improvements and Assets Held for Sale Real Estate Disclosure [Text Block] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Stated interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Asset management fees Asset Management Fees Asset Management Fees Total shareholders’ equity Equity, Attributable to Parent Total other income and expenses Nonoperating Income (Expense) Properties Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Asset management fees Asset Management Arrangement [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 Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule of Finance Receivables Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Fair Value, Measurements, Nonrecurring Fair Value, Nonrecurring [Member] Insider Trading Policies and Procedures [Line Items] Stock-based compensation awards outstanding (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Other financing activities, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Deferred income tax benefit Deferred Income Tax Expense (Benefit) Internally Assigned Grade1 Internally Assigned Grade 1 [Member] Internally Assigned Grade1 Member Finite and Indefinite Lived Intangible Assets Liabilities [Line Items] Finite And Indefinite Lived Intangible Assets Liabilities [Line Items] Finite And Indefinite Lived Intangible Assets Liabilities Operating Lease, Lease Income [Abstract] Operating Lease, Lease Income [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Lease revenues Total operating lease income Operating Lease, Lease Income Number of business segments Number of Operating Segments Distributions paid Distributions Paid, Financing Activity Distributions Paid, Financing Activity Entity Central Index Key Entity Central Index Key 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 2026 (remainder) Long-Term Debt, Maturity, Remainder of Fiscal Year Other comprehensive loss before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Long-Lived Asset, Held-for-Sale [Table] Long-Lived Asset, Held-for-Sale [Table] Reimbursable tenant costs Reimbursable Tenant Expense Reimbursable Tenant Expense Income Statement [Abstract] Income Statement [Abstract] Equity Equity, Attributable to Parent [Abstract] Number of impaired real estate properties (property) Impaired Properties Impaired Properties Document Transition Report Document Transition Report Sales-type lease, net investment in lease, after allowance for credit loss Net investments in Sales type leases Sales-Type Lease, Net Investment in Lease, after Allowance for Credit Loss Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Subsequent Events Subsequent Events [Text Block] Debt instrument, fair value Debt Instrument, Fair Value Disclosure Payments of dividends Payments of Dividends Accumulated Amortization Below Market Lease, Accumulated Amortization Name Forgone Recovery, Individual Name Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Intangible Assets and Liabilities Intangible Asset [Text Block] Statement Statement [Line Items] Total assets Total assets Assets Entity [Domain] Entity [Domain] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Financing Receivable, by Credit Quality Indicator [Domain] Internal Credit Assessment [Domain] Interest expense Interest Expense, Nonoperating Measurement Input, Investor Return Rate Measurement Input, Investor Return Rate [Member] Measurement Input, Investor Return Rate Accounts payable and other accrued liabilities Accounts Payable and Other Accrued Liabilities Business and Organization Nature of Operations [Text Block] Property expenses, excluding reimbursable tenant costs Occupancy, Net PEO PEO [Member] Total Debt, Long-Term and Short-Term, Combined Amount 2028 Long-Term Debt, Maturity, Year Two Measurement Basis [Axis] Measurement Basis [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Line Items] Lease revenues Annual Base Rent Annual Base Rent Subsequent Event Type [Domain] Subsequent Event Type [Domain] Schedule of Fair Value Impairment Charges Using Unobservable Inputs Nonrecurring Basis Schedule Of Fair Value Impairment Charges Using Unobservable Inputs Nonrecurring Basis [Table Text Block] Schedule Of Fair Value Impairment Charges Using Unobservable Inputs Nonrecurring Basis [Table Text Block] Real estate insurance Real Estate Insurance Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Net Lease Office Properties Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Balance - beginning of period (in shares) Balance - end of period (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (Loss) Earnings Per Share (per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net Cash Used in Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Financing Receivable Information by Credit Quality Indicator [Axis] Internal Credit Assessment [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Below-market rent Below Market Leases [Member] Below Market Leases Lease income — variable Operating Lease, Variable Lease Income Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense Other lease-related income Other Lease Related Income Other Lease Related Income Finite-Lived Intangible Liabilities by Major Class [Axis] Finite-Lived Intangible Liabilities By Major Class [Axis] Finite-Lived Intangible Liabilities By Major Class Adjustments to net income (loss): Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Cash Flows — Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Measurement Input, Cashflow Discount Rate Measurement Input, Cashflow Discount Rate [Member] Measurement Input, Cashflow Discount Rate Number of corporate tenants (tenant) Number of tenants (tenant) Number Of Tenants The number of tenants occupying the real estate properties owned as of the balance sheet date. Other income Other Income Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Fair Value Estimate of Fair Value Measurement [Member] Administrative reimbursements Administrative Service [Member] Operating lease term (in years) Lessor, Operating Lease, Term of Contract Distributions in Excess of Accumulated Earnings Accumulated Distributions in Excess of Net Income [Member] Internally Assigned Grade 2 Internally Assigned Grade 2 [Member] Internally Assigned Grade 2 Related Party Transaction [Table] Related Party Transaction [Table] Allowance for credit losses Provision for Loan, Lease, and Other Losses Number of real estate properties amended (property) Number of Real Estate Properties Amended Number of Real Estate Properties Amended Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Land, buildings and improvements Land, buildings and improvements Real Estate Investment Property, At Cost, Real Estate Leased Real Estate Investment Property, At Cost, Real Estate Leased Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] Real Estate Investment Property At Cost Real Estate Investment Property, at Cost [Abstract] 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 (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Accumulated depreciation and amortization Assets Held-for-sale, Not Part of Disposal Group, Accumulated Depreciation Assets Held-for-sale, Not Part of Disposal Group, Accumulated Depreciation Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Office Office Building [Member] One Impaired Properties One Impaired Properties [Member] One Impaired Properties Land, buildings and improvements Land, Buildings and Improvements [Member] Distributions to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Income from finance leases Income From Direct Financing Leases And Loans Receivables Income From Direct Financing Leases And Loans Receivables Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Number of entities Variable Interest Entity, Unavailability of Information, Number of Entities Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Credit Quality Of Finance Receivables Credit Quality Of Finance Receivables [Abstract] Credit Quality Of Finance Receivables Adjustments Scenario, Adjustment [Member] Properties Located In Dallas, Texas Properties Located In Dallas, Texas [Member] Properties Located In Dallas, Texas Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Internally Assigned Grade 4 Internally Assigned Grade 4 [Member] Internally Assigned Grade4 [Member] Entity Interactive Data Current Entity Interactive Data Current Net income attributable to noncontrolling interests Net income Net Income (Loss) Attributable to Noncontrolling Interest Variable Interest Entity Variable Interest Entity [Line Items] Schedule of Balances Due to and from Related Party Schedule of Balances Due to and From Related Party [Table Text Block] Tabular schedule of outstanding balances due to and from related parties. Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Comprehensive (Loss) Income Attributable to NLOP Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Spinoff Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Spinoff [Member] Property Dispositions Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] 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] Net realized and unrealized (gains) losses on extinguishment of debt, foreign currency exchange rate movements, and other Realized Gain (Loss) On Foreign Currency Transactions And Other The net realized foreign currency transaction and other gains or losses (pretax) included in determining net income from transactions that were settled as of the balance sheet date. Document Type Document Type Other asset impairment charges Other Asset Impairment Charges Fair Value as of Grant Date Award Grant Date Fair Value Funding for capital expenditures on real estate Payments To Acquire Capital Expenditures On Real Estate Payments To Acquire Capital Expenditures On Real Estate Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Intangible asset, excluding goodwill, impairment loss Intangible Asset, Excluding Goodwill, Impairment Loss Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Less: allowance for credit losses Sales-type Lease, Net Investment in Lease, Allowance for Credit Loss Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 9) Commitments and Contingencies Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Revenues 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] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Below-Market Rent Below-Market Rent [Member] Below-Market Rent Impairment charges — real estate Impairment charges — real estate Impairment Charges Impairment of Real Estate Liabilities and Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] All Award Types Award Type [Domain] Assets held for sale, gross Assets Held-for-sale, Not Part of Disposal Group, Gross Assets Held-for-sale, Not Part of Disposal Group, Gross Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Variable Interest Entity [Table] Variable Interest Entity [Table] Principal outstanding Principal Amount Of Debt Outstanding Principal Amount Of Debt Outstanding Income from finance leases Sales-type Lease, Revenue Accounts payable, accrued expenses and other liabilities Due from affiliates Accounts Payable and Accrued Liabilities PEO Name PEO Name Restricted cash Restricted Cash Net investments in real estate Real Estate Investments, Net Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Asset management fees payable Asset Management Fees Payable Asset Management Fees Payable Other assets, net Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Value added taxes refunded in connection with sale of real estate Value Added Taxes Received In Connection With Sales Of Real Estate Value Added Taxes Received In Connection With Sales Of Real Estate Cash and cash equivalents and restricted cash, beginning of period Cash and cash equivalents and restricted cash, end of period Total cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Lease income — fixed Operating Lease, Lease Income, Lease Payments 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] Schedule of Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Net investments in finance leases Net Investment In Lease And Loans Receivable, Before Allowance For Credit Loss Net Investment In Lease And Loans Receivable, Before Allowance For Credit Loss 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] Comprehensive (Loss) Income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Finite-Lived Intangible Liabilities Finite Lived Intangible Liabilities Net [Abstract] Finite Lived Intangible Liabilities Net Less: unearned income Sales Type Lease Deferred Selling Profit Sales Type Lease Deferred Selling Profit Transactions with related party Related Party Transaction, Amounts of Transaction Customer [Domain] Customer [Domain] Parking Garage Parking Garage [Member] Parking Garage 2027 Long-Term Debt, Maturity, Year One Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (Loss) Earnings Per Share (per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] Award Type 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] $0.001 Par Value Common Stock Common Stock [Member] Gain on sale of real estate Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule of Operating Lease Income Operating Lease, Lease Income [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Straight-line rent adjustments Straight Line Rent Adjustments Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Loans Payable Loans Payable [Member] Reclassification of net-lease assets to net investments Financing Receivable, Excluding Accrued Interest, Sale and Reclassification to Held-for-Sale Equity Awards Adjustments Equity Awards Adjustments [Member] Other gains and (losses) Other Nonoperating Gains (Losses) Total liabilities and equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value Balance Sheet Grouping Financial Statement Captions Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related Party [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Finite-Lived Intangible Assets Intangible Asset, Finite-Lived, after Accumulated Amortization [Abstract] Proceeds from customer deposits Proceeds From Customer Deposits Proceeds From Customer Deposits Total Shareholders’ Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Real Estate Properties Real Estate Properties [Line Items] 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] Number of jointly owned investments Number Of Jointly Owned Investments Number Of Jointly Owned Investments General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Lease payments receivable including unearned income Sales Type Lease, Net Investment In Lease, Excluding Deferred Selling Profit Sales Type Lease, Net Investment In Lease, Excluding Deferred Selling Profit Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, $0.001 par value, $5,000,000 shares authorized; none issued Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Number of real estate properties (property) Number of real estate properties (property) Number of Real Estate Properties Investments in real estate: Real Estate Investment Property, Net [Abstract] Total Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Gross Carrying Amount Below Market Lease, Gross Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument 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 Dividends [Axis] Dividends [Axis] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Annual interest rate (as a percent) Debt Instrument, Interest Rate During Period Company Selected Measure Amount Company Selected Measure Amount Amounts Attributable to Noncontrolling Interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest [Abstract] Impaired Property One Impaired Property One [Member] Impaired Property One Below-market rent intangible liabilities, net Net Carrying Amount Below Market Lease, Net Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Net (Loss) Income Net (Loss) Income Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Real Estate [Abstract] Real Estate [Abstract] Proceeds from sales of real estate Proceeds from sales of real estate Proceeds from Sale, Real Estate, Held-for-Investment Non-PEO NEO Non-PEO NEO [Member] Foreign Currency Translation and Transaction Gains and Losses Foreign Currency Transactions and Translations Policy [Policy Text Block] Entity Address, Street Address Entity Address, Address Line One Provision for income taxes Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Assets held for sale, net Assets held for sale, net Real Estate Investments, Net, Including Real Estate, Held-For-Sale Real Estate Investments, Net, Including Real Estate, Held-For-Sale Variable Interest Entity Variable Interest Entity, Primary Beneficiary [Member] Outstanding principal Mortgage Loans On Real Estate Face Amount Of Mortgage Mortgage Loans On Real Estate Face Amount Of Mortgage Net (Loss) Income Attributable to NLOP Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from sales of net investments in sales-type leases Proceeds from Lease Payment, Sales-Type and Direct Financing Leases, Operating Activity Proceeds from Lease Payment, Sales-Type and Direct Financing Leases, Operating Activity Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Above-market rent intangible assets Above-market rent Above Market Leases [Member] Restatement Determination Date: Restatement Determination Date [Axis] Measurement Input, Residual Discount Rate Measurement Input, Residual Discount Rate [Member] Measurement Input, Residual Discount Rate Grande Communications Grande Communications [Member] Grande Communications Net property subject to operating lease Real Estate Investment Property, Net, Real Estate Leased Real Estate Investment Property, Net, Real Estate Leased Revenues Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] In-Place Lease Intangible Assets In-Place Lease Intangible Assets [Member] In-Place Lease Intangible Assets