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Small Business Comprehensive income (loss) attributable to OP unitholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Contract asset Contract Asset, Noncash Or Partial Noncash Transaction Contract Asset, Noncash Or Partial Noncash Transaction 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Unsecured term loan facility Unsecured Term Loan Facility Credit Facility - Term Loan [Member] Credit Facility - Term Loan Termination Date Trading Arrangement Termination Date Beginning balance (in shares) Ending balance (in shares) Partners' Capital Account, Units Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] 1333 Broadway Fixed Rate Debt - 1333 Broadway [Member] Fixed Rate Debt - 1333 Broadway [Member] 111 West 33rd Street 111 West 33rd Street 111 West 33rd Street [Member] 111 West 33rd Street Lease termination fees Lease Termination Fees Revenue Lease Termination Fees Revenue Interest expense Interest expense Interest Expense, Nonoperating, Excluding Property In Receivership Interest Expense, Nonoperating, Excluding Property In Receivership 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] Less: accumulated amortization Deferred Initial Direct Cost, Lease, Accumulated Amortization Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Long-Term Incentive Plan Unit and Restricted Stock Long-Term Incentive Plan Unit and Restricted Stock [Member] Long-Term Incentive Plan Unit and Restricted Stock [Member] Summary of Significant Accounting Policies 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Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Remainder of 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Financial Instruments and Fair Values Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Senior unsecured notes due 2031 (Series L) Series L Senior Notes Due 2031 [Member] Series L Senior Notes Due 2031 Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Amount reclassified into interest expense Amount of (gain) loss reclassified from accumulated other comprehensive income (loss) into interest expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Expected life (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Lease term (in years) Lessee, Operating Lease, Term of Contract Ownership 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Debt Instrument [Axis] Land Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment, Land Equity based compensation Share-Based Payment Arrangement, Noncash Expense Interest Rate Swap, One Month SOFR, 1.7570%, Interest Swap Interest Rate Swap, One Month SOFR, 1.7570 %, Interest Swap [Member] Interest Rate Swap, One Month SOFR, 1.7570 %, Interest Swap Unsecured Term Loan Unsecured term loan facilities Unsecured Term Loan [Member] Unsecured Term Loan Limited partner operating partnership units Limited Partners' Capital Account Land Land Disposal Group Name [Axis] Disposal Group Name [Axis] Leases Lessee, Operating Leases [Text Block] 2027 Long-Term Debt, Maturity, Year One 2028 Long-Term Debt, Maturities, Repayments Of Principal In Year Two, Principal Maturities Long-Term Debt, Maturities, Repayments Of Principal In Year Two, Principal Maturities Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Terms of Agreements and Fair Value of 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Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Debt assumed by purchaser in connection with property disposition Extinguishment of Debt, Amount Hedging Designation [Axis] Hedging Designation [Axis] Acquired below-market leases Below Market Lease, Gross Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Interest Rate Swap, SOFR, 3.0140% Interest Rate Swap, SOFR, 3.0140 % [Member] Interest Rate Swap, One Month SOFR, 3.0140% Name Measure Name Interest rate, excluding derivative (as percent) Debt Instrument, Interest Rate, Stated Percentage, Excluding Derivative Debt Instrument, Interest Rate, Stated Percentage, Excluding Derivative Interest expense associated with property in receivership Interest expense associated with property in receivership Interest Expense, Nonoperating, Property In Receivership Interest Expense, Nonoperating, Property In Receivership Retail Property Retail Property [Member] Retail Property Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] 1400 Broadway 1400 Broadway 1400 Broadway [Member] 1400 Broadway Consideration paid Business Combination, Consideration Transferred Entity Filer Category Entity Filer Category Director Director [Member] Rental revenue: Rental Revenue [Abstract] Rental Revenue Goodwill impairment charge Goodwill impairment charge Goodwill, Impairment Loss 10 Union Square East Fixed Rate Debt, 10 Union Square East [Member] Fixed Rate Debt, 10 Union Square East Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalent Exchange ratio Operating Partnership Unit, Exchange Ratio Operating Partnership Unit, Exchange Ratio General Partner General Partner [Member] Interest Rate Swap, SOFR, 3.2265% Interest Rate Swap, SOFR, 3.2265 % [Member] Interest Rate Swap, One Month SOFR, 3.2265% Total Long-Term Debt, Fiscal Year Maturity [Abstract] Interest Rate Swap and Interest Rate Cap Interest Rate Swap And Interest Rate Cap [Member] Interest Rate Swap And Interest Rate Cap Company Selected Measure Amount Company Selected Measure Amount Schedule of Reconciliation of Net income to Net operating Income Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Capital expenditures included in accounts payable and accrued expenses Accrued Liabilities, Capital Expenditures Accrued Liabilities, Capital Expenditures Depreciation and amortization Depreciation, Depletion and Amortization TSR modifier period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Total Shareholder Return (TSR) Modifier Period Share-Based Compensation Arrangement By Share-Based Payment Award, Total Shareholder Return (TSR) Modifier Period Senior unsecured notes due 2033 (Series F) Series F Senior Notes Due 2033 [Member] Series F Senior Notes due 2033 [Member] Aggregate expense Lessor, Operating Lease Expense Lessor, Operating Lease Expense Acquired below-market leases, net Acquired below-market leases, net Below Market Lease, Net Senior unsecured notes due 2030 (Series C) Series C Senior Notes Due 2030 [Member] Series C Senior Notes due 2030 [Member] Entity Address, Address Line Two Entity Address, Address Line Two Series PR Operating Partnership Units Series PR Common Units [Member] Series PR Common Units [Member] Net income (loss) Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Statement of Partners' Capital [Abstract] Statement of Partners' Capital [Abstract] Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Interest rate swap agreements liability Interest rate swaps included in accounts payable and accrued expenses Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior unsecured notes Senior Unsecured Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Vested (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax (expense) benefit Income Tax Expense (Benefit) Total deferred costs, net Deferred Initial Direct Cost, Lease, after Accumulated Amortization Operating Partnership Other Partners, Certain Directors, Officers And Other Members Of Executive Management [Member] Other Partners, Certain Directors, Officers And Other Members Of Executive Management [Member] 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 Forecast Forecast [Member] Tenant and other receivables Accounts and Financing Receivable, after Allowance for Credit Loss Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Senior unsecured notes due 2029 (Series I) Series I Senior Notes Due 2029 [Member] Series I Senior Notes Due 2029 Expected price volatility, minimum (as percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum 2028 Lessor, Operating Lease, Payment to be Received, Year Two Accounts payable and accrued expenses Total accounts payable and accrued expenses Accounts Payable And Accrued Expenses Accounts Payable And Accrued Expenses Unsecured term loan facility Term Loan Facility Term Loan Facility [Member] Term Loan Facility Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Treasury Lock Treasury Lock [Member] Acquired above-market leases Above Market Leases [Member] Restatement Determination Date: Restatement Determination Date [Axis] Capitalized transaction costs Business Acquisition, Transaction Costs, Net Business Acquisition, Transaction Costs, Net Proceeds from mortgage notes payable Proceeds from Notes Payable Asset Derivative Asset, Subject to Master Netting Arrangement, before Offset Capital Stockholders' Equity Note Disclosure, Disclosure Of Compensation Related Costs, Share-Based Payments And Earnings Per Share [Text Block] Stockholders' Equity Note Disclosure, Disclosure Of Compensation Related Costs, Share-Based Payments And Earnings Per Share [Text Block] Receive Rate Derivative, Basis Spread on Variable Rate Granted in 2020 and After Granted In 2020 And After [Member] Granted In 2020 And After Revenues: Revenues: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]