Audit Information |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Audit Information [Abstract] | |
| Auditor Name | Ernst & Young LLP |
| Auditor Location | New York, New York |
| Auditor Firm ID | 42 |
Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Statement of Comprehensive Income [Abstract] | |||
| Net income | $ 72,980 | $ 80,359 | $ 84,407 |
| Other comprehensive income (loss): | |||
| Unrealized gain (loss) on valuation of interest rate swap agreements | (3,416) | 13,769 | 5,581 |
| Amount reclassified into interest expense | (2,288) | (7,111) | (7,819) |
| Other comprehensive income (loss) | (5,704) | 6,658 | (2,238) |
| Comprehensive income | 67,276 | 87,017 | 82,169 |
| Net income attributable to non-controlling interest in other partnerships | 0 | (4) | (68) |
| Other comprehensive loss attributable to non-controlling interests in other partnerships | 0 | 0 | 314 |
| Comprehensive income attributable to OP unitholders | $ 67,276 | $ 87,013 | $ 82,415 |
Description of Business and Organization |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
| Description of Business and Organization | Description of Business and Organization As used in these consolidated financial statements, unless the context otherwise requires, “we,” “us,” "our," and the "Company,” mean Empire State Realty OP, L.P. and its consolidated subsidiaries. Empire State Realty OP, L.P. (the "Operating Partnership") is the entity through which Empire State Realty Trust, Inc. (NYSE: ESRT) is a NYC-focused REIT that owns and operates a portfolio of well-leased, top of tier, modernized, amenitized, and well-located office, retail, and multifamily assets. ESRT’s flagship Empire State Building, the “World's Most Famous Building,” features its iconic Observatory, ranked the #1 Top Attraction in New York City for the fourth consecutive year in Tripadvisor’s 2025 Travelers’ Choice Awards: Best of the Best Things to Do. The Company is a recognized leader in energy efficiency and indoor environmental quality. As of December 31, 2025, our portfolio was comprised of approximately 7.9 million rentable square feet of office space, 0.8 million rentable square feet of retail space and 743 residential units, which are located in New York City. Our office portfolio included 10 properties (including three long-term ground leasehold interests), all of which are located in Manhattan. Additionally, we have entitled land in Stamford, Connecticut that can support the development of either office or residential per local zoning. We were organized as a Delaware limited partnership on November 28, 2011, and commenced operations upon completion of the initial public offering of ESRT’s Class A common stock and related formation transactions on October 7, 2013 (the "Offering"). ESRT's Class A common stock, par value $0.01 per share, is listed on the New York Stock Exchange under the symbol "ESRT." ESRT, as the sole general partner in our Company, has responsibility and discretion in the management and control of our Company, and our limited partners, in such capacity, have no authority to transact business for, or participate in the management activities, of our Company. As of December 31, 2025, ESRT owned approximately 61.4% of our operating partnership units. We have two entities that elected, together with ESRT, to be treated as taxable REIT subsidiaries, or TRSs, of ESRT. The TRSs, through several wholly owned limited liability companies, conduct third-party services businesses, which include the Empire State Building Observatory, cleaning services, cafeteria, restaurant, health clubs, amenity center, and asset and property management services.
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Summary of Significant Accounting Policies |
12 Months Ended |
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Dec. 31, 2025 | |
| Accounting Policies [Abstract] | |
| Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Basis of Presentation and Principles of Consolidation The accompanying consolidated financial statements prepared in conformity with accounting principles generally accepted in the United States of America ("GAAP") and with the rules and regulations of the SEC, represent our assets and liabilities and operating results. The consolidated financial statements include our accounts and our partially owned and wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation. We consolidate entities in which we have a controlling financial interest. In determining whether we have a controlling financial interest in a partially owned entity and the requirement to consolidate the accounts of that entity, we consider factors such as ownership interest, board representation, management representation, authority to make decisions, and contractual and substantive participating rights of the partners/members. For variable interest entities ("VIE"), we consolidate the entity if we are deemed to have a variable interest in the entity and through that interest we are deemed the primary beneficiary. The primary beneficiary of a VIE is the entity that has (i) the power to direct the activities that most significantly impact the entity's economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. The primary beneficiary is required to consolidate the VIE. We also determined that the Operating Partnership has a variable interest in and is the primary beneficiary of the intermediary entity that holds title to 130 Mercer Street acquired in December 2025, and as a result is consolidated in the financial statements of ESRT as of December 31, 2025. We assess consolidation accounting treatment for each investment in a VIE. This assessment will include a review of the relevant agreements to identify the rights of each party and whether those rights provide either party the power to direct the activities that most significantly impact the entity’s economic performance and benefit. In situations where we and our partner approve, among other things, the annual budget, or leases that cover more than a nominal amount of space relative to the total rentable space at each property, we would not consolidate the investment as we consider these to be substantive participation rights that result in shared power of the activities that would most significantly impact the performance and benefit of such joint venture investment. A non-controlling interest in a consolidated subsidiary is defined as the portion of the equity (net assets) in a subsidiary not attributable, directly or indirectly, to a parent. Non-controlling interests are required to be presented as a separate component of equity in the consolidated balance sheets and in the consolidated statements of operations by requiring earnings and other comprehensive income to be attributed to controlling and non-controlling interests. Accounting Estimates The preparation of the consolidated financial statements in accordance with GAAP requires management to use estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Significant items subject to such estimates and assumptions include allocation of the purchase price of acquired real estate properties among tangible and intangible assets, determination of the useful life of real estate properties and other long-lived assets, valuation and impairment analysis of commercial real estate properties, goodwill, right-of-use assets and other long-lived and indefinite-lived assets, estimate of tenant expense reimbursements, valuation of the allowance for doubtful accounts, and valuation of derivative instruments, ground lease liabilities, senior unsecured notes, mortgage notes payable, unsecured revolving credit and term loan facilities, and equity based compensation. These estimates are prepared using management’s best judgment, after considering past, current, and expected events and economic conditions. Actual results could differ from those estimates. Revenue Recognition Rental Revenue Rental revenue includes base rents that each tenant pays in accordance with the terms of its respective lease and is reported on a straight-line basis over the non-cancellable term of the lease which includes the effects of rent steps and rent abatements under the leases. In general, we commence rental revenue recognition when the tenant takes possession of the leased space or controls the physical use of the leased space and the leased space is substantially ready for its intended use. We account for all of our leases as operating leases and have elected not to separate non-lease components from lease components. Deferred rent receivables, including free rental periods and leasing arrangements allowing for increased base rent payments, are accounted for in a manner that provides an even amount of fixed lease revenues over the respective non-cancellable lease terms. Differences between rental income recognized and amounts due under the respective lease agreements are recognized as an increase or decrease to deferred rent receivables. In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in an index such as the Consumer Price Index over the index value in effect during a base year or contain fixed percentage increases over the base rent to cover escalations. We recognize rental revenue of acquired in-place above- and below-market leases at their fair values over the terms of the respective leases. Lease termination fees are recognized when the fees are determinable, tenant vacancy has occurred, collectability is reasonably assured, we have no continuing obligation to provide services to such former tenants and the payment is not subject to any conditions that must be met or waived. Observatory Revenue Revenues from the sale of Observatory tickets are recognized upon admission or ticket expirations. Deferred revenue related to unused and unexpired tickets as of December 31, 2025 and 2024 was $1.4 million and $1.9 million, respectively, and is included in deferred revenue and other liabilities on the consolidated balance sheets. Gains on Sale/Disposition of Real Estate We record a gain on sale/disposition of real estate pursuant to provisions under Accounting Standards Codification (ASC) 610-20, Gains and Losses from the Derecognition of Nonfinancial Assets. Under ASC 610-20, we must first determine whether the transaction is a sale to a customer or non-customer. We do not sell real estate within the ordinary course of our business and therefore, expect that sale transactions will not be contracts with customers. We will next determine whether we would have a controlling financial interest in the property after the sale. If we determine that we do not have a controlling financial interest in the real estate, we would evaluate whether a contract exists under ASC 606 Revenue from Contracts with Customers and whether the buyer has obtained control of the asset that was sold. We recognize the full gain on sale/disposition of real estate when the derecognition criteria under ASC 610-20 have been met. Third-Party Management and Other Fees We earn revenue arising from contractual agreements with related party entities for asset and property management services. This revenue is recognized as the related services are performed under the respective agreements in place. Other Revenues and Fees Other revenues and fees include parking income, legal, tax and insurance settlements, demand response energy use earnings and sales from our restaurant at the Empire State Building. Advertising and Marketing Costs Advertising and marketing costs are expensed as incurred. The expense for the years ended December 31, 2025, 2024, and 2023 was $13.6 million, $11.6 million and $10.9 million, respectively, and are included within operating expenses, observatory expenses, and general and administrative expenses in our consolidated statements of operations. Real Estate Properties and Related Intangible Assets Land and buildings and improvements are recorded at cost less accumulated depreciation and amortization. The recorded cost includes cost of acquisitions, development and construction and tenant allowances and improvements. Expenditures for ordinary repairs and maintenance are charged to property operating expense as incurred. Significant replacements and betterments which improve or extend the life of the asset are capitalized. Tenant improvements which improve or extend the life of the asset are capitalized. If a tenant vacates its space prior to the contractual termination of its lease, the unamortized balance of any tenant improvements are written off if they are replaced or have no future value. For developed properties and properties under redevelopment, direct and indirect costs that clearly relate to projects under development are capitalized. Costs include construction costs, professional services such as architectural and legal costs, capitalized interest and direct payroll costs. The assets relating to the project are stated at cost and are not depreciated. Once construction is completed and the assets are placed in service, the assets are reclassified to the appropriate asset class and depreciated in accordance with the useful lives as indicated below. Capitalization of interest ceases when the asset is ready for its intended use, which is generally near the date that a certificate of occupancy is obtained. There was $0.5 million of interest capitalized for the year ended December 31, 2025 and none for the year ended December 31, 2024. Depreciation and amortization are computed using the straight-line method for financial reporting purposes. Buildings and improvements are depreciated over the shorter of 39 years, the useful life, or the remaining term of any leasehold interest. Tenant improvement costs, which are included in building and improvements in the consolidated balance sheets, are depreciated over the shorter of (i) the related remaining lease term or (ii) the life of the improvement. Corporate and other equipment is depreciated over to seven years. Acquisitions of properties are accounted for as asset acquisitions, and accordingly the purchase cost is allocated to tangible and intangible assets and liabilities based on their relative fair values. The fair value of tangible assets acquired is determined by valuing the property as if it were vacant, applying methods similar to those used by independent appraisers of income-producing property. The resulting value is then allocated to land, buildings and improvements, and tenant improvements based on our determination of the fair value of these assets. The assumptions used in the allocation of fair values to assets acquired are based on our best estimates at the time of evaluation. Fair value is assigned to above-market and below-market leases based on the difference between (a) the contractual amounts to be paid by the tenant based on the existing lease and (b) our estimate of current market lease rates for the corresponding in-place leases, over the remaining terms of the in-place leases. Above-market lease amounts are amortized as a decrease to rental revenue over the remaining terms of the respective leases. Below-market lease amounts are amortized as an increase to rental revenue over the remaining terms of the respective leases. If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off. The aggregate value of other acquired intangible assets consists of acquired ground leases and acquired in-place leases and tenant relationships. The fair value allocated to acquired in-place leases consists of a variety of components including, but not necessarily limited to: (a) the value associated with avoiding the cost of originating the acquired in-place leases (i.e. the market cost to execute a lease, including leasing commissions, if any); (b) the value associated with lost revenue related to tenant reimbursable operating costs estimated to be incurred during the assumed lease-up period (i.e. real estate taxes, insurance and other operating expenses); (c) the value associated with lost rental revenue from existing leases during the assumed lease-up period; and (d) the value associated with any other inducements to secure a tenant lease. We assess the potential for impairment of our long-lived assets, including real estate properties, annually or whenever events occur or a change in circumstances indicate that the recorded value might not be fully recoverable. We determine whether impairment in value has occurred by comparing the estimated future undiscounted cash flows expected from the use and eventual disposition of the asset to its carrying value. If the undiscounted cash flows do not exceed the carrying value, the real estate is adjusted to fair value and an impairment loss is recognized. Assets held for sale are recorded at the lower of cost or fair value less costs to sell and depreciation expense is no longer recorded. We do not believe that the value of any of our properties and intangible assets were impaired during the years ended December 31, 2025, 2024 and 2023. Cash and Cash Equivalents Cash and cash equivalents consist of cash on hand, government money markets, demand deposits with financial institutions and short-term liquid investments with original maturities of three months or less when purchased. Cash and cash equivalents held at major commercial banks may at times exceed the Federal Deposit Insurance Corporation limit. To date, we have not experienced any losses on our invested cash. Restricted Cash Restricted cash consists of amounts held for tenants in accordance with lease agreements, such as security deposits and amounts held by lenders and/or escrow agents to provide for future real estate tax expenditures and insurance expenditures, tenant vacancy related costs and debt service obligations. Short-term Investments Short-term investments include time deposits with original maturities of greater than three months and remaining maturities of less than one year. Tenant and Other Receivables Tenant and other receivables, other than deferred rent receivable, are generally expected to be collected within one year. Deferred Leasing Costs Deferred leasing costs consist of fees incurred to initiate and renew leases, are amortized on a straight-line basis over the related lease term and the expense is included in depreciation and amortization in our consolidated statements of income. Upon the early termination of a lease, unamortized deferred leasing costs are charged to depreciation and amortization expense. Deferred Financing Costs Fees and costs incurred to obtain long-term financing have been deferred and are amortized as a component of interest expense in our consolidated statements of income over the life of the respective long-term financing on the straight-line method, which approximates the effective interest method. Unamortized deferred financing costs are expensed when the associated debt is refinanced or repaid before maturity. Costs incurred in seeking debt, which do not close, are expensed in the period in which it is determined that the financing will not close. Equity Method Investments We account for investments under the equity method of accounting where we do not have control but have the ability to exercise significant influence. Under this method, investments are recorded at cost, and the investment accounts are adjusted for our share of the entities’ income or loss and for distributions and contributions. Equity income (loss) is allocated based on the portion of the ownership interest that is controlled by us. The agreements may designate different percentage allocations among investors for profits and losses; however, our recognition of the entity’s income or loss generally follows the entity’s distribution priorities, which may change upon the achievement of certain investment return thresholds. To the extent that we contributed assets to an entity, our investment in the entity is recorded at cost basis in the assets that were contributed to the entity. Upon contributing assets to an entity, we make a judgment as to whether the economic substance of the transaction is a sale. In accordance with the provisions of ASC 610-20, we will recognize a full gain on both the retained and sold portions of real estate contributed or sold to an entity by recognizing our new equity method investment interest at fair value. To the extent that the carrying amount of these investments on our combined balance sheets is different than the basis reflected at the entity level, the basis difference would be amortized over the life of the related asset and included in our share of equity in net income of the entity. On a periodic basis, we assess whether there are any indicators that the carrying value of our investments in entities may be impaired on an other than temporary basis. An investment is impaired only if management’s estimate of the fair value of the investment is less than the carrying value of the investment on an other than temporary basis. To the extent impairment has occurred, the loss shall be measured as the excess of the carrying value of the investment over the fair value of the investment. As of December 31, 2025 and 2024, we had no equity method investments. Goodwill Goodwill is tested annually for impairment and more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount, including goodwill, exceeds the reporting unit’s fair value. Non-amortizing intangible assets, such as trade names and trademarks, are subject to an annual impairment test based on fair value and amortizing intangible assets are tested whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. Fair Value Fair value is a market-based measurement, not an entity-specific measurement, and should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, the FASB guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within levels one and two of the hierarchy) and the reporting entity's own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). The methodologies used for valuing financial instruments have been categorized into three broad levels as follows: Level 1 - Quoted prices in active markets for identical instruments. Level 2 - Valuations based principally on other observable market parameters, including: •Quoted prices in active markets for similar instruments; •Quoted prices in less active or inactive markets for identical or similar instruments; •Other observable inputs (such as risk free interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates); and •Market corroborated inputs (derived principally from or corroborated by observable market data). Level 3 - Valuations based significantly on unobservable inputs, including: •Valuations based on third-party indications (broker quotes or counterparty quotes) which were, in turn, based significantly on unobservable inputs or were otherwise not supportable; and •Valuations based on internal models with significant unobservable inputs. These levels form a hierarchy. We follow this hierarchy for our financial instruments measured or disclosed at fair value on a recurring and nonrecurring basis and other required fair value disclosures. The classifications are based on the lowest level of input that is significant to the fair value measurement. We use the following methods and assumptions in estimating fair value disclosures for financial instruments. Cash and cash equivalents, restricted cash, short-term investments, tenant and other receivables, prepaid expenses and other assets, deferred revenue, tenant security deposits, accounts payable and accrued expenses carrying values approximate their fair values due to the short term maturity of these instruments. The fair value of derivative instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. Although the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by ourselves and our counterparties. The impact of such credit valuation adjustments, determined based on the fair value of each individual contract, was not significant to the overall valuation. As a result, all of our derivatives were classified as Level 2 of the fair value hierarchy. The fair value of our mortgage notes payable, senior unsecured notes, unsecured term loan facilities and unsecured revolving credit facility which are determined using Level 3 inputs are estimated by discounting the future cash flows using current interest rates at which similar borrowings could be made by us. Derivative Instruments We are exposed to the effect of interest rate changes and manage these risks by following policies and procedures including the use of derivatives. To manage exposure to interest rates, derivatives are used primarily to fix the rate on debt based on floating-rate indices. We record all derivatives on the balance sheet at fair value. We incorporate credit valuation adjustments to appropriately reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. We measure the credit risk of our derivative instruments that are subject to master netting agreements on a net basis by counterparty portfolio. For derivatives that qualify as cash flow hedges, we report the gain or loss on the derivative designated as a hedge as part of other comprehensive income (loss) and subsequently reclassify the gain or loss into income in the period that the hedged transaction affects income. Income Taxes We are generally not subject to federal and state income taxes as our taxable income or loss is reportable by our partners. Accordingly, no provision has been made for federal income taxes. ESRT has elected to treat ESRT Observatory TRS, L.L.C., our subsidiary that holds our Observatory operations, and ESRT Holdings TRS, L.L.C., our subsidiary that holds our third-party management, restaurant, cafeteria, health clubs, certain cleaning operations, and amenity center as taxable REIT subsidiaries. Taxable REIT subsidiaries may participate in non-real estate activities and/or perform non-customary services for tenants and their operations are generally subject to regular corporate income taxes. Our taxable REIT subsidiaries account for its income taxes in accordance with GAAP, which includes an estimate of the amount of taxes payable or refundable for the current year and deferred tax liabilities and assets for the future tax consequences of events that have been recognized in our consolidated financial statements or tax returns. The calculation of the taxable REIT subsidiaries' tax provisions may require interpreting tax laws and regulations and could result in the use of judgments or estimates which could cause its recorded tax liability to differ from the actual amount due. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The taxable REIT subsidiaries periodically assess the realizability of deferred tax assets and the adequacy of deferred tax liabilities, including the results of local, state, or federal statutory tax audits or estimates and judgments used. We apply provisions for measuring and recognizing tax benefits associated with uncertain income tax positions. Penalties and interest, if incurred, would be recorded as a component of income tax expense. As of December 31, 2025 and 2024, we do not have a liability for uncertain tax positions. As of December 31, 2025, the tax years ended December 31, 2022 through December 31, 2025 remain open for an audit by the Internal Revenue Service, state or local authorities. Share-Based Compensation Share-based compensation for time-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over the shorter of (i) the stated vesting period, which is generally , or five years, or (ii) the period from the date of grant to the date the employee becomes retirement eligible for awards granted to non-named executive officer employees and awards granted before 2025 to named executive officers, which may occur upon grant. An employee is retirement eligible when the employee attains the (i) age of 65 and (ii) the date on which the employee has first completed the requisite years of continuous service with us or our affiliates. Share-based compensation for market-based equity awards and performance-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over or four years. Additionally, for the performance-based equity awards, we assess, at each reporting period, whether it is probable that the performance conditions will be satisfied. We recognize expense respective to the number of awards we expect to vest at the conclusion of the measurement period. Changes in estimate are accounted for in the period of change through a cumulative catch-up adjustment. Any forfeitures of share-based compensation awards are recognized as they occur. The determination of fair value of these awards is subjective and involves estimates and assumptions including expected volatility of ESRT stock based on historical volatility, expected dividend yield, expected term, and assumptions of whether these awards will achieve parity with other operating partnership units or achieve performance thresholds. We believe that the assumptions and estimates utilized are appropriate based on the information available to management at the time of grant. Per Share Data Basic and diluted earnings per unit are computed based upon the weighted average number of shares outstanding during the respective period. Segment Reporting The Company's operating segments are based on our method of internal reporting and include our office properties, retail portfolio, multifamily portfolio, and the Observatory. These operating segments have been aggregated for reporting into two reportable segments: (1) Real Estate and (2) Observatory. Our real estate segment includes all activities related to the ownership, management, operation, acquisition, repositioning and disposition of our real estate assets. Our Observatory segment operates the 86th and 102nd floor observatories at the Empire State Building. These two lines of businesses are managed separately because each business requires different support infrastructures, provides different services and has dissimilar economic characteristics such as investments needed, stream of revenues and different marketing strategies. We account for intersegment sales and rent as if the sales or rent were to third parties. Recently Issued or Adopted Accounting Standards During December 2023, the Financial Accounting Standards Board issued Accounting Standards Update ("ASU") No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The standard enhances income tax disclosure requirements for all entities by requiring specified categories and greater disaggregation within the rate reconciliation table, disclosure of income taxes paid by jurisdiction, and providing clarification on uncertain tax positions and related financial statement impacts. We adopted this standard for the fiscal year ended December 31, 2025, with prospective application. During November 2024, the Financial Accounting Standards Board issued Accounting Standards Update ("ASU") No. 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The standard requires that public business entities disclose additional information about specific expense categories in the notes to financial statements for interim and annual reporting periods. The amendments in this ASU are effective for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. We are evaluating the impact of adopting this new accounting standard on our consolidated financial statements.
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Acquisitions and Dispositions |
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| Acquisitions and Dispositions | Acquisitions and Dispositions Property Acquisitions In December 2025, we closed on the acquisition of 130 Mercer Street (555-557 Broadway, "The Scholastic Building"), located in the SoHo submarket of Manhattan, for a purchase price of $386.0 million. In connection with the acquisition, we entered into a lease with the former owner for approximately 0.2 million square feet of office space in the building, with an initial term of 15-years and two renewal options of ten years each. We will redevelop the remaining office space, amenity and common areas of the building. In June 2025, we closed on the acquisition of two retail properties on North 6th Street in Williamsburg, Brooklyn for a purchase price of $31.0 million. In September and October 2024, we closed on the acquisition of a portfolio of retail properties on North 6th Street in Williamsburg, Brooklyn for a purchase price of $195.0 million. In September 2023, we closed on the acquisition of a retail property in Williamsburg, Brooklyn, located on the corner of North 6th Street and Wythe Avenue for a purchase price of $26.4 million. The following table summarizes the purchase price allocations of these acquisitions (amounts in thousands):
In March 2024, we executed a buyout of the 10% non-controlling interest in two of our multifamily properties located at 561 10th Avenue and 345 East 94th Street in Manhattan for $14.2 million in cash and the assumption of $18.0 million of in-place debt. As there was no change in control, we accounted for this acquisition as an equity transaction in accordance with Accounting Standards Codification 810-10 and no gain or loss was recognized. Property Dispositions The following table summarizes properties disposed of during the years ended December 31, 2025, 2024 and 2023 (amounts in thousands):
In April 2024, we worked with the First Stamford Place mortgage lender to structure a consensual foreclosure. On May 22, 2024, a receiver was appointed and we ended our management and control of the property. In connection with this, we removed the related assets and property liabilities from our consolidated balance sheet and recognized a gain in the consolidated statements of operations of $13.3 million for the year ended December 31, 2024. We also recorded a contract asset of $170.4 million that represented the consideration not yet received for the senior mortgage obligation, including applicable accrued interest, we expected to be released upon the final resolution of the foreclosure process on First Stamford Place. On February 5, 2025, the consensual foreclosure of First Stamford Place was completed and we were released of the senior mortgage obligation and derecognized the debt associated with property in receivership and the related contract asset. In connection with the completion of the consensual foreclosure we concluded that we are no longer the primary beneficiary of the entity that holds the First Stamford Place mezzanine debt obligation as we no longer have the power to direct the activities that most significantly impact the VIE's economic performance, nor the right to receive the benefits from the VIE. As a result, the entity was deconsolidated during the three months ended March 31, 2025 and we recognized a gain of $13.2 million from the mezzanine debt obligation. The gain is included as a component of gain on disposition of property in the accompanying consolidated statement of operations.
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Deferred Costs, Acquired Lease Intangibles and Goodwill |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Deferred Costs, Acquired Lease Intangibles and Goodwill | Deferred Costs, Acquired Lease Intangibles and Goodwill Deferred costs, net, consisted of the following:
Acquired below-market ground leases, net, consisted of the following:
Acquired below-market leases, net, consisted of the following:
The total amortization related to deferred costs and acquired lease intangibles consisted of the following:
The remaining weighted-average amortization periods as of December 31, 2025 are:
We expect to recognize amortization expense and rental revenue from the acquired intangible assets and liabilities as follows (amounts in thousands):
As of December 31, 2025, we had goodwill of $491.5 million. In 2013, we acquired the interests in Empire State Building Company, L.L.C. and 501 Seventh Avenue Associates, L.L.C. for an amount in excess of their net tangible and identified intangible assets and liabilities and as a result we recorded goodwill related to the transaction. Goodwill was allocated $227.5 million to the Observatory operations of the Empire State Building, $250.8 million to Empire State Building, and $13.2 million to 501 Seventh Avenue.
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Debt |
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt | Debt Debt consisted of the following:
_____________ (1)The effective rate is the yield as of December 31, 2025 and includes the stated interest rate, deferred financing cost amortization and interest associated with variable to fixed interest rate swap agreements in effect as of December 31, 2025. (2)Maturity dates presented are inclusive of extension options. Pre-payment is generally allowed for each loan upon payment of a customary pre-payment penalty. (3)At December 31, 2025, we were in compliance with all debt covenants. Principal Payments Aggregate required principal payments at December 31, 2025 are as follows (amounts in thousands):
Deferred Financing Costs Deferred financing costs, net, consisted of the following:
The total amortization expense related to deferred financing costs consisted of the following:
Unsecured Revolving Credit and Term Loan Facilities On November 14, 2025, through our Operating Partnership, we entered into an amended and restated credit agreement with Wells Fargo Bank, National Association, as administrative agent, and the other lenders party thereto, that amends and restates the credit agreement dated March 19, 2020, which governs our senior unsecured term loan credit facility (the “Wells Term Loan Facility”). The Wells Term Loan Facility is comprised of a senior unsecured term loan credit facility and matures on January 15, 2031, inclusive of two twelve month extensions. Initial interest rates on the Wells Term Loan Facility, which may change based on our leverage levels, is SOFR plus 150 basis points. We may request the Wells Term Loan Facility be increased through one or more increases or the addition of new pari passu term loan tranches, for a maximum aggregate principal amount not to exceed $310.0 million. As of December 31, 2025, our borrowings amounted to $245.0 million under the Wells Term Loan Facility. On May 28, 2025, through our Operating Partnership, we entered into a first amendment to our second amended and restated credit agreement, dated March 8, 2024, with Bank of America, N.A., as administrative agent and other lenders party thereto, which governs our senior unsecured revolving credit facility and term loan facility (collectively, the “BofA Credit Facilities”). The first amendment amends certain sustainability margin adjustment terms. No other changes were made to the amount of the commitments, the maturity date of the outstanding loans or the covenants. The BofA Credit Facilities are comprised of a $620.0 million senior unsecured revolving credit facility (the “Revolving Credit Facility”) and a $95.0 million term loan facility (the “BofA Term Loan Facility”). We may request that the BofA Credit Facilities be increased through one or more increases in the Revolving Credit Facility or one or more increases in the BofA Term Loan Facility or the addition of new pari passu term loan tranches, for a maximum aggregate principal amount under the second amended and restated credit agreement not to exceed $1.5 billion. The Revolving Credit Facility matures on March 8, 2029, inclusive of two six-month extension periods. The BofA Term Loan Facility matures on March 8, 2029, inclusive of two twelve-month extension periods. Initial interest rates on the BofA Credit Facilities, which may change based on our leverage levels, are SOFR plus a benchmark adjustment of 10 basis points ("adjusted SOFR") plus 130 basis points for any drawn portion of the Revolving Credit Facility and adjusted SOFR plus 150 basis points for the BofA Term Loan Facility. In addition, the BofA Credit Facilities have a sustainability-linked pricing mechanism that reduces the borrowing spread if certain benchmarks are achieved each year. As of December 31, 2025, we had $145.0 million borrowings under the Revolving Credit Facility and $95.0 million under the BofA Term Loan Facility. The terms of both the BofA Credit Facilities and the Wells Term Loan Facility include customary covenants, including limitations on liens, investment, distributions, debt, fundamental changes, and transactions with affiliates and require certain customary financial reports. Both facilities also require compliance with financial ratios including a maximum leverage ratio, a maximum secured leverage ratio, a minimum fixed charge coverage ratio, a minimum unencumbered interest coverage ratio, and a maximum unsecured leverage ratio. The agreements governing both facilities also contain customary events of default (subject in certain cases to specified cure periods), including but not limited to non-payment, breach of covenants, representations or warranties, cross defaults, bankruptcy or other insolvency events, judgments, ERISA events, invalidity of loan documents, loss of REIT qualification, and occurrence of a change of control. As of December 31, 2025, we were in compliance with these covenants. Senior Unsecured Notes On December 18, 2025, we closed on the issuance and sale of $175.0 million aggregate principal amount of 5.47% Series L Senior Notes due January 7, 2031. On March 27, 2025, the Series A senior unsecured notes matured and the aggregate principal amount of $100.0 million was repaid. The notes had a stated interest rate of 3.93%. The terms of these senior unsecured notes include customary covenants, including limitations on liens, investment, distributions, debt, fundamental changes, and transactions with affiliates and require certain customary financial reports. The terms also require compliance with financial ratios including a maximum leverage ratio, a maximum secured leverage ratio, a minimum fixed charge coverage ratio, a minimum unencumbered interest coverage ratio, and a maximum unsecured leverage ratio. The agreement also contains customary events of default (subject in certain cases to specified cure periods), including but not limited to non-payment, breach of covenants, representations or warranties, cross defaults, bankruptcy or other insolvency events, judgments, ERISA events, the occurrence of certain change of control transactions and loss of REIT qualification. As of December 31, 2025, we were in compliance with these covenants.
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Accounts Payable and Accrued Expenses |
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| Payables and Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounts Payable and Accrued Expenses | Accounts Payable and Accrued Expenses Accounts payable and accrued expenses consist of the following:
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Financial Instruments and Fair Values |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Financial Instruments and Fair Values | Financial Instruments and Fair Values Derivative Financial Instruments We use derivative financial instruments primarily to manage interest rate risk and such derivatives are not considered speculative. These derivative instruments are typically in the form of interest rate swap and forward agreements, and the primary objective is to minimize interest rate risks associated with investing and financing activities. The counterparties of these arrangements are major financial institutions with which we may also have other financial relationships. We are exposed to credit risk in the event of non-performance by these counterparties; however, we currently do not anticipate that any of the counterparties will fail to meet their obligations. We have agreements with our derivative counterparties that contain a provision where if we either default or are capable of being declared in default on any of our indebtedness, then we could also be declared in default on our derivative obligations. If we had breached any of these provisions, we could have been required to settle our obligations that were in a net liability position under the agreements at their termination value of $31.0 thousand as of December 31, 2025, which includes accrued interest but excludes any adjustment for nonperformance risk. As of December 31, 2025, we were in compliance with these provisions. As of December 31, 2025 and 2024, we had interest rate swaps and caps with an aggregate notional value of $567.0 million and $664.0 million, respectively. The notional value does not represent exposure to credit, interest rate or market risks. These interest rate swaps have been designated as cash flow hedges and hedge the variability in future cash flows associated with our existing variable-rate term loan facilities. Interest rate caps not designated as hedges are not speculative and are used to manage our exposure to interest rate movements, but do not meet the strict hedge accounting requirements. As of December 31, 2025, 2024 and 2023 our cash flow hedges are deemed highly effective and for the years ended December 31, 2025, 2024 and 2023 net unrealized gains (losses) of $(5.7) million, $6.7 million and $(2.2) million, respectively, relating to both active and terminated hedges of interest rate risk, are reflected in the consolidated statements of comprehensive income (loss). Amounts reported in accumulated other comprehensive income (loss) related to derivatives will be reclassified to interest expense as interest payments are made on the debt. We estimate that $1.4 million net loss of the current balance held in accumulated other comprehensive income (loss) will be reclassified into interest expense within the next 12 months. Cash payments and receipts related to our cash flow hedges are classified as operating activities and included within our disclosure of cash paid for interest on our consolidated statements of cash flows, consistent with the classification of the hedged interest payments. The table below summarizes the terms of agreement and the fair value of our derivative financial instruments:
(1) Included as a component of prepaid expenses and other assets on the consolidated balance sheets. (2) Included as a component of accounts payable and accrued expenses on the consolidated balance sheets. (3) The notional amount of each interest rate swap effective December 31, 2026 is $87.5 million. The table below shows the effect of our derivative financial instruments designated as cash flow hedges on accumulated other comprehensive income (loss):
The table below shows the effect of our derivative financial instruments designated as cash flow hedges on the consolidated statements of operations:
Fair Valuation The estimated fair values at December 31, 2025 and 2024 were determined by management, using available market information and appropriate valuation methodologies. Considerable judgment is necessary to interpret market data and develop estimated fair value. Accordingly, the estimates presented herein are not necessarily indicative of the amounts we could realize on disposition of the financial instruments. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts. The following tables summarize the carrying and estimated fair values of our financial instruments:
The debt associated with property in receivership was categorized as Level 3 of the fair value hierarchy and had a fair value and carrying value of $158.2 million and $177.7 million, respectively, as of December 31, 2024, and zero as of December 31, 2025. Disclosure about the fair value of financial instruments is based on pertinent information available to us as of December 31, 2025 and 2024. Although we are not aware of any factors that would significantly affect the reasonable fair value amounts, such amounts have not been comprehensively revalued for purposes of these consolidated financial statements since that date and current estimates of fair value may differ significantly from the amounts presented herein.
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Leases |
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| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases | Leases Lessor We lease various commercial spaces to tenants over terms ranging from to 30 years. Certain leases have termination options for a fee and/or renewal options. The leases provide for base monthly rentals and reimbursements for real estate taxes, escalations linked to the consumer price index or common area maintenance known as operating expense escalation. Tenant expense reimbursements are included as a component of rental revenue in our consolidated statements of operations. Rental revenue includes fixed and variable payments. Fixed payments primarily relate to base rent and variable payments primarily relate to tenant expense reimbursements for certain property operating costs. The components of rental revenue consisted of the following:
As of December 31, 2025, we were entitled to the following future contractual minimum lease payments (excluding tenant expense reimbursements) on non-cancellable operating leases to be received which expire on various dates through 2054 (amounts in thousands):
The above future minimum lease payments exclude tenant recoveries and the net accretion of above-market leases and below-market lease intangibles. Some leases are subject to termination options generally upon payment of a termination fee. The preceding table is prepared assuming such options are not exercised. As of December 31, 2025, the future lease payments to be received for signed leases that have not yet commenced was approximately $647.6 million. Lessee We determine if an arrangement is a lease at inception. Our operating lease agreements relate to three ground lease assets and are reflected in right-of-use assets and lease liabilities of $27.9 million as of December 31, 2025 and right-of-use assets and lease liabilities of $28.2 million as of December 31, 2024 in our consolidated balance sheets. Right-of-use assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Right-of-use assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. Variable lease payments are excluded from the right-of-use assets and lease liabilities and are recognized in the period in which the obligation for those payments is incurred. The ground leases are due to expire between the years 2050 and 2077, inclusive of extension options, and have no variable payments or residual value guarantees. As our leases do not provide an implicit rate, we determined our incremental borrowing rate based on information available at the date of adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842), in determining the present value of lease payments. The weighted average incremental borrowing rate used to calculate the right-of-use assets and lease liabilities as of December 31, 2025 was 4.5%. Rent expense for lease payments related to our operating leases is recognized on a straight-line basis over the non-cancellable term of the leases. The weighted average remaining lease term as of December 31, 2025 was 44.6 years. As of December 31, 2025, the following table summarizes our future minimum lease payments discounted by our incremental borrowing rates to calculate the lease liabilities of our leases (amounts in thousands):
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| Leases | Leases Lessor We lease various commercial spaces to tenants over terms ranging from to 30 years. Certain leases have termination options for a fee and/or renewal options. The leases provide for base monthly rentals and reimbursements for real estate taxes, escalations linked to the consumer price index or common area maintenance known as operating expense escalation. Tenant expense reimbursements are included as a component of rental revenue in our consolidated statements of operations. Rental revenue includes fixed and variable payments. Fixed payments primarily relate to base rent and variable payments primarily relate to tenant expense reimbursements for certain property operating costs. The components of rental revenue consisted of the following:
As of December 31, 2025, we were entitled to the following future contractual minimum lease payments (excluding tenant expense reimbursements) on non-cancellable operating leases to be received which expire on various dates through 2054 (amounts in thousands):
The above future minimum lease payments exclude tenant recoveries and the net accretion of above-market leases and below-market lease intangibles. Some leases are subject to termination options generally upon payment of a termination fee. The preceding table is prepared assuming such options are not exercised. As of December 31, 2025, the future lease payments to be received for signed leases that have not yet commenced was approximately $647.6 million. Lessee We determine if an arrangement is a lease at inception. Our operating lease agreements relate to three ground lease assets and are reflected in right-of-use assets and lease liabilities of $27.9 million as of December 31, 2025 and right-of-use assets and lease liabilities of $28.2 million as of December 31, 2024 in our consolidated balance sheets. Right-of-use assets represent our right to use an underlying asset for the lease term and lease liabilities represent our obligation to make lease payments arising from the lease. Right-of-use assets and liabilities are recognized at the commencement date based on the present value of lease payments over the lease term. Variable lease payments are excluded from the right-of-use assets and lease liabilities and are recognized in the period in which the obligation for those payments is incurred. The ground leases are due to expire between the years 2050 and 2077, inclusive of extension options, and have no variable payments or residual value guarantees. As our leases do not provide an implicit rate, we determined our incremental borrowing rate based on information available at the date of adoption of Accounting Standards Update No. 2016-02, Leases (Topic 842), in determining the present value of lease payments. The weighted average incremental borrowing rate used to calculate the right-of-use assets and lease liabilities as of December 31, 2025 was 4.5%. Rent expense for lease payments related to our operating leases is recognized on a straight-line basis over the non-cancellable term of the leases. The weighted average remaining lease term as of December 31, 2025 was 44.6 years. As of December 31, 2025, the following table summarizes our future minimum lease payments discounted by our incremental borrowing rates to calculate the lease liabilities of our leases (amounts in thousands):
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Commitments and Contingencies |
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| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies | Commitments and Contingencies Legal Proceedings Except as described below, as of December 31, 2025, we were not involved in any material litigation, nor, to our knowledge, was any material litigation threatened against us or our properties, other than routine litigation arising in the ordinary course of business such as disputes with tenants. We believe that the costs and related liabilities, if any, which may result from such actions will not materially affect our consolidated financial position, operating results or liquidity. Violet Shuker Shasha Trust et al. v. Peter L. Malkin, Anthony E. Malkin et al. As previously disclosed, in October 2014, 12 former investors (the "Claimants") in Empire State Building Associates L.L.C. (“ESBA”), which prior to the Offering, owned the fee title to the Empire State Building, filed an arbitration with the American Arbitration Association against Peter L. Malkin, Anthony E. Malkin, Thomas N. Keltner, Jr., and our subsidiary ESRT MH Holdings LLC, the former supervisor of ESBA, (the "Respondents"). The statement of claim (also filed later in federal court in New York for the expressed purpose of tolling the statute of limitations) alleged breach of fiduciary duty and related claims in connection with the Offering and sought monetary damages and declaratory relief. Claimants had opted out of a prior class action bringing similar claims that were settled with court approval. Respondents filed an answer and counterclaims. In March 2015, the federal court action was stayed on consent of all parties pending the arbitration. Arbitration hearings started in May 2016 and concluded in August 2018. On August 26, 2020, the arbitration panel issued an award that denied all Claimants’ claims with one exception, on which it awarded the Claimants approximately $1.2 million, inclusive of seven years of interest through October 2, 2020. Respondents believe that such award in favor of the Claimants is entirely without merit and sought to vacate that portion of the award. On July 31, 2023, the New York State court denied the Respondents’ petition to vacate in part and confirmed the award. On January 22, 2024, that court entered judgment in favor of the Claimants (save for one Claimant, whose petition to confirm was granted in a separate proceeding on July 22, 2024). The Respondents believe those rulings are incorrect and appealed them. On March 13, 2025, the appeals court affirmed. The Respondents filed a motion for leave to appeal to the New York Court of Appeals, which was denied on January 13, 2026. Respondents filed a petition for certiorari to the United States Supreme Court on February 2, 2026. Notwithstanding that filing, the New York Court of Appeals’ denial of leave to appeal lifted the stay of execution of the judgment, which stay Respondents had previously obtained by filing an appeal bond. Accordingly, subsequent to year end on February 5, 2026, we paid the judgment, which, inclusive of interest, amounted to approximately $1.5 million, under a full reservation of rights to recover such payment in the event the United States Supreme Court grants certiorari and vacates the judgment. The claim of the one Claimant not included in the judgment noted above remains outstanding. As of December 31, 2025 and 2024, $1.8 million and $1.2 million, respectively, was included as a component of accounts payable and accrued expenses on the accompanying consolidated balance sheets, and $0.6 million was included as a component of general and administrative expenses in the consolidated statement of operations for the year ended December 31, 2025. In addition, after the arbitration award was issued, certain of the Claimants in the federal court action brought to toll the statute of limitations sought to pursue claims in that case against the Respondents. The magistrate judge assigned to the action issued a Report and Recommendation rejecting the Claimants’ claims; on January 30, 2025, the district judge adopted that Report and Recommendation and dismissed the case. The United States Court of Appeals for the Second Circuit affirmed that ruling on February 6, 2026. Pursuant to indemnification agreements which were made with our directors, executive officers and chairman emeritus as part of our formation transactions, Anthony E. Malkin, Peter L. Malkin and Thomas N. Keltner, Jr. have defense and indemnity rights from us with respect to this arbitration. Unfunded Capital Expenditures At December 31, 2025, we estimate that we will incur approximately $94.2 million of capital expenditures (including tenant improvements and leasing commissions) on our properties pursuant to existing lease agreements. We expect to fund these capital expenditures with operating cash flow, cash on hand and other borrowings. Future property acquisitions may require substantial capital investments for refurbishment and leasing costs. We expect that these financing requirements will be met in a similar fashion. Concentration of Credit Risk Financial instruments that subject us to credit risk consist primarily of cash and cash equivalents, restricted cash, short-term investments, tenant and other receivables and deferred rent receivables. At December 31, 2025, we held on deposit at various major financial institutions cash and cash equivalents and restricted cash balances in excess of amounts insured by the Federal Deposit Insurance Corporation. Real Estate Investments Our properties are located in Manhattan and Brooklyn, New York. The ability of the tenants to honor the terms of their respective leases is dependent upon the economic, regulatory and social factors affecting the markets in which the tenants operate. We perform ongoing credit evaluations of our tenants for potential credit losses. Tenant Credit Evaluations Our investments in real estate properties are subject to risks incidental to the ownership and operation of commercial real estate. These risks include, among others, the risks normally associated with changes in general economic conditions, trends in the real estate industry, creditworthiness of tenants, competition of tenants and customers, changes in tax laws, interest rate levels, the availability and cost of financing, and potential liability under environmental and other laws. We may require tenants to provide some form of credit support such as corporate guarantees and/or other financial guarantees and we perform ongoing credit evaluations of tenants. Although the tenants operate in a variety of industries, to the extent we have a significant concentration of rental revenue from any single tenant, the inability of that tenant to make its lease payments could have an adverse effect on our Company. Major Customers and Other Concentrations None of our tenants accounted for more than 10% of total rental revenues in any of the years ended December 31, 2025, 2024 and 2023. For the years ended December 31, 2025, 2024 and 2023, the three properties listed below each exceeded 10% of total rental revenues.
Asset Retirement Obligations We are required to accrue costs that we are legally obligated to incur on retirement of our properties which result from acquisition, construction, development and/or normal operation of such properties. Retirement includes sale, abandonment or disposal of a property. Under that standard, a conditional asset retirement obligation represents a legal obligation to perform an asset retirement activity in which the timing and/or method of settlement is conditional on a future event that may or may not be within a company’s control and a liability for a conditional asset retirement obligation must be recorded if the fair value of the obligation can be reasonably estimated. Environmental site assessments and investigations have identified asbestos or asbestos- containing building materials in certain of our properties. As of December 31, 2025, management has no plans to remove or alter these properties in a manner that would trigger federal and other applicable regulations for asbestos removal, and accordingly, the obligations to remove the asbestos or asbestos-containing building materials from these properties have indeterminable settlement dates. As such, we are unable to reasonably estimate the fair value of the associated conditional asset retirement obligation. However ongoing asbestos abatement, maintenance programs and other required documentation are carried out as required and related costs are expensed as incurred. Other Environmental Matters Under various federal, state and/or local laws, ordinances and regulations, as a current or former owner or operator of real property, we may be liable for costs and damages resulting from the presence or release of hazardous substances, waste, or petroleum products at, on, in, under or from such property, including costs for investigation or remediation, natural resource damages, or third-party liability for personal injury or property damage. We also may be liable for the costs of remediating contamination at off-site disposal or treatment facilities when we arrange for disposal or treatment of hazardous substances at such facilities, without regard to whether we comply with environmental laws in doing so. Some of our properties have been or may be impacted by contamination arising from current or prior uses of the property or adjacent properties for commercial, industrial or other purposes. Such contamination may arise from spills of petroleum or hazardous substances or releases from tanks used to store such materials. The presence of contamination or the failure to remediate contamination on our properties may adversely affect our ability to attract and/or retain tenants, and our ability to develop or sell or borrow against those properties. In addition to potential liability for cleanup costs, private plaintiffs may bring claims for personal injury, property damage or for similar reasons. Environmental laws also may create liens on contaminated sites in favor of the government for damages and costs it incurs to address such contamination. Moreover, if contamination is discovered on our properties, environmental laws may impose restrictions on the manner in which that property may be used or how businesses may be operated on that property. Some of our properties are adjacent to or near other properties which are used for industrial or commercial purposes or have contained or currently contain underground storage tanks used to store petroleum products or other hazardous or toxic substances. Releases from these properties could impact our properties. In addition, some of our properties have previously been used by former owners or tenants for commercial or industrial activities, e.g., gas stations and dry cleaners, and a portion of the Metro Tower site, the undeveloped parcel we own adjacent to our recently sold Metro Center asset, is currently used for automobile parking and was formerly leased to a fueling facility that may release petroleum products or other hazardous or toxic substances at such properties or to surrounding properties. While certain properties contain or contained uses that could have or have impacted our properties, we are not aware of any liabilities related to environmental contamination that we believe will have a material adverse effect on our operations. In addition, our properties are subject to various federal, state and local environmental and health and safety laws and regulations, and noncompliance could subject us or our tenants to liability. These liabilities could affect a tenant’s ability to make rental payments to us. Moreover, changes in laws could increase the potential costs of compliance or increase liability for noncompliance. We sometimes require our tenants to comply with environmental and health and safety laws and regulations and to indemnify us for any related liabilities in our leases with them. But in the event of the bankruptcy or inability of any of our tenants to satisfy such obligations, we may be required to satisfy such obligations. We do not believe we have any instances of material non-compliance with environmental or health and safety laws or regulations at our properties, and we believe that we and/or our tenants have all material permits and approvals necessary under current laws and regulations to operate our properties. In addition, we may become subject to new compliance requirements and/or new costs or taxes associated with natural resource or energy usage and related emissions (such as a carbon tax), which could increase our operating costs. In particular, as the owner of large covered commercial and multifamily buildings in New York City, we are subject to Local Law 97, which establishes annual greenhouse gas emissions limits for covered buildings and imposes penalties for emissions that exceed applicable thresholds. While we currently expect, based on our present understanding of the law and implementing rules and our internal projections of building emissions, to operate within the applicable limits during the 2024–2029 enforcement period, our expectations are based on assumptions regarding building performance, tenant energy usage and utility grid emissions factors. Regulatory developments, changes in enforcement guidance, changes in building operations, tenant behavior, energy consumption patterns, or utility emissions factors could cause us to exceed emissions limits or incur additional compliance costs or penalties, which could be material. As the owner or operator of real property, we may also incur liability based on various building conditions. For example, environmental site assessments have identified asbestos or asbestos-containing material (“ACM”) in certain of our properties, and it is possible that other properties that we currently own or operate or acquire in the future contain ACM. Environmental and health and safety laws require that ACM be properly managed and maintained and may impose fines or penalties on owners, operators or employers for non-compliance with those requirements. In addition, we may be subject to liability for personal injury or property damage sustained as a result of releases of ACM into the environment. We do not believe we have any material liabilities related to building conditions, including any instances of material non-compliance with asbestos requirements or any material liabilities related to asbestos. Our properties, or properties we acquire in the future, may contain or develop harmful mold or suffer from other indoor air quality issues, such as inadequate ventilation and contamination, which could lead to liability for adverse health effects from our tenants, employees of our tenants or others, or property damage or costs for remediation. When excessive moisture accumulates in buildings or on building materials, mold growth may occur, particularly if the moisture problem remains undiscovered or is not addressed over a period of time. Some molds may produce airborne toxins or irritants. Indoor air quality issues can also stem from inadequate ventilation, chemical contamination from indoor or outdoor sources, and other biological contaminants such as pollen, viruses and bacteria. Indoor exposure to airborne toxins or irritants above certain levels can be alleged to cause a variety of adverse health effects and symptoms, including allergic or other reactions. As a result, the presence of significant mold or other airborne contaminants at any of our properties could require us to undertake a costly remediation program to contain or remove the mold or other airborne or waterborne contaminants from the affected property or increase indoor ventilation or flush and treat water systems. In addition, the presence of significant mold or other airborne or waterborne contaminants could expose us to liability from our tenants, employees of our tenants or others if property damage or personal injury occurs. We do not believe we have any material adverse indoor air quality or water quality issues at our properties. As of December 31, 2025, management believes that there are no obligations related to environmental remediation other than maintaining the affected sites in conformity with the relevant authority’s mandates and filing the required documents. All such maintenance costs are expensed as incurred. However, we cannot be certain that we have identified all environmental liabilities at our properties, that all necessary remediation actions have been or will be undertaken at our properties or that we will be indemnified, in full or at all, in the event that such environmental liabilities arise. Insurance Coverage We carry insurance coverage on our properties of types and in amounts with deductibles that we believe are in line with coverage customarily obtained by owners of similar properties. Multiemployer Pension and Defined Contribution Plans We contribute to a number of multiemployer defined benefit pension plans under the terms of collective bargaining agreements that cover our union-represented employees. The risks of participating in these multiemployer plans are different from single-employer plans in the following respects: •Assets contributed to the multiemployer plan by one employer may be used to provide benefits to employees of other participating employers. •If a participating employer stops contributing to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers. •If we no longer employ union members, we may be required to pay those plans an amount based on the underfunded status of the plan, referred to as a withdrawal liability. We participate in various unions. The union in which we have significant employees and costs is 32BJ. 32BJ We participate in the Building Service 32BJ ("Union") Pension Plan and Health Plan. The Pension Plan is a multi-employer, non-contributory defined benefit pension plan that was established under the terms of collective bargaining agreements between the Service Employees International Union, Local 32BJ, the Realty Advisory Board on Labor Relations, Inc. and certain other employers. This Pension Plan is administered by a joint board of trustees consisting of union trustees and employer trustees and operates under employer identification number 13-1879376. The Pension Plan year runs from July 1 to June 30. Employers contribute to the Pension Plan at a fixed rate on behalf of each covered employee. Separate actuarial information regarding such pension plans is not made available to the contributing employers by the union administrators or trustees, since the plans do not maintain separate records for each reporting unit. On September 24, 2025, the actuary certified that for the plan year beginning July 1, 2025, the Pension Plan was in neither critical or endangered status under the Pension Protection Act of 2006. On September 12, 2024, the actuary certified that for the plan year beginning July 1, 2024, the Pension Plan was in neither critical or endangered status under the Pension Protection Act of 2006. On September 28, 2023, the actuary certified that for the plan year beginning July 1, 2023, the Pension Plan was in endangered status under the Pension Protection Act of 2006. The Pension Plan trustees adopted a funding improvement plan consistent with this requirement. For the plan years ended June 30, 2025, 2024 and 2023, the Pension Plan received contributions from employers totaling $442.8 million, $530.3 million and $317.9 million, respectively. The Health Plan was established under the terms of collective bargaining agreements between the Union, the Realty Advisory Board on Labor Relations, Inc. and certain other employers. The Health Plan provides health and other benefits to eligible participants employed in the building service industry who are covered under collective bargaining agreements, or other written agreements, with the Union. The Health Plan is administered by a Board of Trustees with equal representation by the employers and the Union and operates under employer identification number 13-2928869. The Health Plan receives contributions in accordance with collective bargaining agreements or participation agreements. Generally, these agreements provide that the employers contribute to the Health Plan at a fixed rate on behalf of each covered employee. For the plan years ended June 30, 2025, 2024 and 2023, the Health Plan received contributions from employers totaling $1.9 billion, $1.7 billion and $1.9 billion, respectively. Term of Collective Bargaining Agreements Our collective bargaining agreement for Service Employees International Union Local 32BJ relating to commercial properties in New York City was renewed and commenced effective January 1, 2024 through December 31, 2027. We are also a signatory to another collective bargaining agreement for Service Employees International Union Local 32BJ with a term from April 21, 2022 through April 20, 2026 for our residential properties. Contributions Contributions we made to the multi-employer plans for the years ended December 31, 2025, 2024 and 2023 are included in the table below (amounts in thousands):
(1) Pension plans include $0.8 million, $0.9 million and $0.8 million for the years ended 2025, 2024 and 2023, respectively, to multiemployer plans not discussed above. (2) Health plans include $1.5 million, $1.6 million and $1.6 million for the years ended 2025, 2024 and 2023, respectively, to multiemployer plans not discussed above. (3) Other consists of union costs which were not itemized between pension and health plans. Other includes $0.2 million, $0.3 million and $0.3 million for the years ended 2025, 2024 and 2023, respectively, in connection with other multiemployer plans not discussed above. The increase in plan contributions in 2025 is mainly due to negotiated union fee credit received in 2024 for the year ended December 31, 2024 and the disposition of First Stamford Place in Stamford, Connecticut in 2024, partially offset by the disposition of Metro Center in Stamford, Connecticut in 2025. Benefit plan contributions are included in operating expenses in our consolidated statements of operations.
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| Capital | Capital Shares and Units As of December 31, 2025, there were 169,523 thousand shares of Class A common stock, 972 thousand shares of Class B common stock and 107,225 thousand OP Units outstanding. The controlling interest of 61.4% is owned by ESRT. The other 38.6% non-controlling interest in the OP is diversified among various limited partners, some of whom include Company directors, senior management and employees. ESRT has two classes of common stock as a means to give its OP Unit holders voting rights in the public company that correspond to their economic interest in the combined entity. A one-time option was created at our formation transactions for any pre-Offering OP Unit holder to exchange one OP Unit out of every 50 OP Units they owned for one Class B share, and such Class B share carries 50 votes per share. Stock and Publicly Traded Operating Partnership Unit Repurchase Program ESRT's Board of Directors authorized the repurchase of up to $500.0 million of ESRT Class A common stock and our Series ES, Series 250 and Series 60 operating partnership units from January 1, 2024 through December 31, 2025. Upon expiration of this program, ESRT's Board of Directors authorized the repurchase of up to $500.0 million of ESRT's Class A common stock and the our Series ES, Series 250 and Series 60 operating partnership units during the period from January 1, 2026 through December 31, 2027. Under the program, ESRT may purchase ESRT Class A common stock and we may purchase our Series ES, Series 250 and Series 60 operating partnership units in accordance with applicable securities laws from time to time in the open market or in privately negotiated transactions. The timing, manner, price and amount of any repurchases will be determined by ESRT and us at our discretion and will be subject to stock price, availability, trading volume, general market conditions, and applicable securities laws. The authorization does not obligate us to acquire any particular amount of securities, and the program may be suspended or discontinued at our discretion without prior notice. During the twelve months ended December 31, 2025, ESRT repurchased $8.1 million of common stock at a weighted average price of $6.78 per share. As of December 31, 2025, we had $491.9 million remaining of the authorized repurchase amount. The following table summarizes repurchases of equity securities in each of the three months ended December 31, 2025 under the repurchase program described above:
Private Perpetual Preferred Units As of December 31, 2025, there were 4,664 thousand Series 2019 Preferred Units ("Series 2019 Preferred Units") and 1,560 thousand Series 2014 Private Perpetual Preferred Units ("Series 2014 Preferred Units") outstanding. The Series 2019 Preferred Units have a liquidation preference of $13.52 per unit and are entitled to receive cumulative preferential annual cash distributions of $0.70 per unit payable in arrears on a quarterly basis. The Series 2014 Preferred Units which have a liquidation preference of $16.62 per unit and are entitled to receive cumulative preferential annual cash distributions of $0.60 per unit payable in arrears on a quarterly basis. Both series are not redeemable at the option of the holders and are redeemable at our option only in the case of specific defined events. Distributions The following table summarizes the distributions paid on our operating partnership units for the years ended December 31, 2025, 2024 and 2023:
The following is a summary of dividend and distribution activity:
Incentive and Share-Based Compensation On May 9, 2024, the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan (the “2024 Plan”) was approved by ESRT shareholders. The 2024 Plan provides for grants to directors, employees and consultants of our Company and Operating Partnership, including options, restricted stock, restricted stock units, stock appreciation rights, performance awards, dividend equivalents and other equity-based awards, and replaced the First Amended and Restated Empire State Realty Trust, Inc. and Empire State Realty OP, L.P. 2019 Equity Incentive Plan ("2019 Plan", and collectively with the 2024 Plan, the "Plans"). The shares of Class A common stock underlying any awards under the Plans that are forfeited, canceled or otherwise terminated, other than by exercise, will be added back to the shares of Class A common stock available for issuance under the 2024 Plan. Shares tendered or held back upon exercise of a stock option or settlement of an award under the Plans to cover the exercise price or tax withholding and shares subject to a stock appreciation right that are not issued in connection with the stock settlement of the stock appreciation right upon exercise thereof, will not be added back to the shares of Class A common stock available for issuance under the 2024 Plan. In addition, shares of Class A common stock repurchased on the open market will not be added back to the shares of Class A common stock available for issuance under the 2024 Plan. An aggregate of 11.0 million shares of ESRT common stock was authorized for issuance under awards granted pursuant to the 2024 Plan, and as of December 31, 2025, 6.0 million shares of common stock remain available for future issuance. Long-term incentive plan ("LTIP") units are a special class of partnership interests in the Operating Partnership. Each LTIP unit awarded will be deemed equivalent to an award of one share of stock under the Plans, reducing the availability for other equity awards on a one-for-one basis. The vesting period for LTIP units, if any, will be determined at the time of issuance. Under the terms of the LTIP units, the Operating Partnership will revalue for tax purposes its assets upon the occurrence of certain specified events, and any increase in valuation from the time of one such event to the next such event will be allocated first to the holders of LTIP units to equalize the capital accounts of such holders with the capital accounts of OP unitholders. Subject to any agreed upon exceptions, once vested and having achieved parity with OP unitholders, LTIP units are convertible into OP Units in the Operating Partnership on a one-for-one basis. LTIP units subject to time-based vesting, whether vested or not, receive the same per unit distributions as OP Units, which equal per share dividends (both regular and special) on our common stock. Market and performance-based LTIPs receive 10% of such distributions currently, unless and until such LTIP units are earned based on performance, at which time they will receive the accrued and unpaid 90% and will commence receiving 100% of such distributions thereafter. In March 2025, we made grants of LTIP units to executive officers under the 2024 Plan, including:
In March 2025, we made grants of LTIP units and restricted stock to certain other employees under the 2024 Plan, including:
In May 2025, we made grants of 185,280 LTIP units to our non-employee directors that are subject to time-based vesting with fair market values of $1.3 million. In July 2025, we granted our new director, George L.W. Malkin, a total of 14,215 LTIP units which are subject to time-based vesting with fair market value of $0.1 million. During the third quarter of 2025, ESRT granted certain employees a total of 48,308 shares of restricted stock that are subject to time-based vesting with fair market value of $0.4 million. Share-based compensation for time-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over the shorter of (i) the stated vesting period, which is generally , or five years, or (ii) the period from the date of grant to the date the employee becomes retirement eligible for awards granted to non-named executive officer employees and awards granted before 2025 to named executive officers, which may occur upon grant. An employee is retirement eligible when the employee attains the (i) age of 65 and (ii) the date on which the employee has first completed the requisite years of continuous service with us or our affiliates. Share-based compensation for market-based equity awards and performance-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over or four years. Additionally, for the performance-based equity awards, we assess, at each reporting period, whether it is probable that the performance conditions will be satisfied. We recognize expense respective to the number of awards we expect to vest at the conclusion of the measurement period. Changes in estimate are accounted for in the period of change through a cumulative catch-up adjustment. Any forfeitures of share-based compensation awards are recognized as they occur. For the market-based LTIP units, the fair value of the awards was estimated using a Monte Carlo Simulation model and discounted for the restriction period during which the LTIP units cannot be redeemed or transferred and the uncertainty regarding if, and when, the book capital account of the LTIP units will equal that of the common units. Our stock price, along with the prices of the comparative indexes, is assumed to follow the Geometric Brownian Motion Process. Geometric Brownian Motion is a common assumption when modeling in financial markets, as it allows the modeled quantity (in this case the stock price) to vary randomly from its current value and take any value greater than zero. The volatilities of the returns on our stock price and the comparative indexes were estimated based on implied volatilities and historical volatilities using an appropriate look-back period. The expected growth rate of the stock prices over the performance period is determined with consideration of the risk-free rate as of the grant date. For LTIP unit awards that are time or performance based, the fair value of the awards was estimated based on the fair value of our stock at the grant date discounted for the restriction period during which the LTIP units cannot be redeemed or transferred and the uncertainty regarding if, and when, the book capital account of the LTIP units will equal that of the common units. For restricted stock awards, the fair value of the awards is based on the market price of ESRT stock at the grant date. LTIP units and restricted stock issued during the year ended December 31, 2025, 2024 and 2023 were valued at $29.4 million, $27.8 million and $21.7 million, respectively. The weighted-average per unit or share fair value was $5.91, $7.81 and $5.67 for grants issued in 2025, 2024 and 2023, respectively. The fair value per unit or share granted during the years ended December 31, 2025, 2024 and 2023 was estimated on the respective grant dates using the following assumptions:
No other stock options, dividend equivalents, or stock appreciation rights were issued or outstanding in 2025, 2024 and 2023. The following is a summary of ESRT restricted stock and LTIP unit activity for the year ended December 31, 2025:
The total fair value of LTIP units and restricted stock that vested during 2025, 2024 and 2023 was $19.9 million, $16.7 million and $13.3 million, respectively. The time-based LTIPs and ESRT restricted stock awards granted to non-named executive officers or granted to certain named executive officers before 2025, are treated for accounting purposes as immediately vested upon the later of (i) the date the grantee attains the age of 65, and (ii) the date on which grantee has first completed the requisite years of continuous service with our Company or its affiliates. For award agreements that qualify, we recognize noncash compensation expense on the grant date for the time-based awards and ratably over the vesting period for the market-based and performance-based awards, and accordingly, we recognized $4.8 million, $5.9 million and $2.8 million for the years ended December 31, 2025, 2024 and 2023, respectively. Unrecognized compensation expense was $2.6 million at December 31, 2025, which will be recognized over a weighted average period of 1.0 year. For the remainder of the LTIP unit awards, we recognize noncash compensation expense ratably over the vesting period, and accordingly, we recognized $20.4 million, $16.6 million and $17.2 million for the years ended December 31, 2025, 2024 and 2023, respectively. Unrecognized compensation expense was $33.4 million at December 31, 2025, which will be recognized over a weighted average period of 2.5 years. Pursuant to the terms of the transition agreement that the Company entered into with Thomas P. Durels in September 2025, he will continue to serve the Company through June 30, 2027, unless terminated earlier in accordance with the agreement (such date, the "Termination Date"). During this period, Mr. Durels will be entitled to receive, among other things, equity-based separation payments inclusive of: (a) an equity award of $1.4 million (to be granted in March 2026) to vest 100% on the Termination Date; (b) an equity award of $0.7 million to be granted with immediate vest provisions on the Termination Date; and (c) accelerated vesting of his outstanding equity awards as of the Termination Date, with the performance-based equity awards vesting in accordance with applicable award agreements. The Company accounted for the modification of existing equity awards in accordance with ASC 718. The Company will recognize the separation payments ratably over the transition period as a component of general and administrative expenses in the accompanying consolidated statement of operations. Earnings Per Unit Earnings per unit is calculated by dividing the net income attributable to common unitholders by the weighted average number of units outstanding during the respective period. Unvested share-based payment awards that contain non-forfeitable rights to dividends, whether paid or unpaid, are accounted for as participating securities. Share-based payment awards are included in the calculation of diluted income using the treasury stock method if dilutive. Earnings per unit is computed as follows:
There were zero antidilutive shares for the years ended December 31, 2025, 2024 and 2023.
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Related Party Transactions |
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| Related Party Transactions [Abstract] | |
| Related Party Transactions | Related Party Transactions Sale of Westport Retail Properties On February 1, 2023, we closed on the disposition of our retail assets located at 69-97 and 103-107 Main Street in Westport, Connecticut, for total consideration of $40.0 million, to an entity affiliated with our Chairman and Chief Executive Officer, Anthony E. Malkin (the “Westport Transaction”). The Company determined to make the sale to the related party entity after a marketed sale process conducted from February 2022 through August 2022 through a broker in which it received several third-party bids. Deals with third-party purchasers failed to materialize due to adverse changes in capital market conditions during that time. The Westport Transaction materialized due to timing because the related party entity had recently completed a sale of property and was in the market for exchange property to defer tax in a 1031 exchange, and the Company recently executed on the acquisition of 298 Mulberry Street. The $40.0 million valuation for the Westport Transaction is in the range of the bids the Company received during the marketed sale process. The Company has a written Related Party Transactions Policy (the “Policy”) which requires the Nominating and Corporate Governance Committee to review the material facts of all related party transactions and consider all relevant factors in approving any related party transaction. Further, the Policy provides that a director or executive officer shall not participate in any consideration, discussion or approval of such related party transaction in which he or she is a related party. The Westport Transaction process was completed in compliance with the Policy. The independent members of the Nominating and Corporate Governance Committee conducted an independent review under the guidance of outside counsel and then approved the transaction. The Company reviewed with outside counsel best practices for the specific Westport Transaction and took additional precautions to ensure an arms-length process. There were separate counsels and appraisals for both buyer and seller. Tax Protection Agreements Tax Protection Agreement with Certain Continuing Investors In connection with our formation transactions, we and ESRT entered into a tax protection agreement with certain continuing investors, including Anthony E. Malkin and Peter L. Malkin, relating to specified contributed properties (the “Protected Properties”). The agreement continues to relate to 86-90 North 6th Street (which is a "substituted basis property" for Metro Center, which was sold in December 2025), 298 Mulberry Street (which is the "substituted basis property" for 10 Bank Street, which was sold in December 2022) and 1542 Third Avenue. The agreement generally restricts, during applicable tax protection periods, certain dispositions of Protected Properties (including certain indirect transfers) to the extent such transactions would cause a protected party to recognize pre-contribution built-in gain, unless the required consent is obtained or the operating partnership makes a payment intended to compensate the protected party for the resulting tax liability. The agreement also includes provisions intended to mitigate taxable gain that could result from reductions in a protected party’s share of operating partnership liabilities. Among other things, during defined periods the operating partnership has agreed to maintain or refinance certain property-level indebtedness in a manner intended to preserve agreed liability allocations and, in specified circumstances, to provide protected parties with the opportunity to enter into guarantees or deficit restoration obligations designed to support their minimum liability allocations. These protections terminate at different times depending on the applicable property and investor and are subject to specified ownership and other conditions. If triggered, our obligations under this agreement could restrict asset dispositions or refinancing transactions or require payments that could be material. Stockholders Agreement with Q REIT Holding LLC (QIA) In 2016, in connection with ESRT's sale of a 9.9% fully diluted interest to Q REIT Holding LLC, we entered into a stockholders agreement that includes a tax-related indemnification provision. Under this provision, subject to specified annual and cumulative thresholds based on QIA’s applicable investment, we have agreed to indemnify QIA for certain U.S. federal and state income and branch profits taxes actually paid by QIA in respect of dividends attributable to capital gain from the sale or exchange of U.S. real property interests. The indemnification is subject to specified procedural requirements, exclusions and limitations, and generally terminates one year following the date on which QIA’s ownership falls below 10% of our outstanding common shares, subject to certain exceptions. If triggered, this indemnification could result in payments that could be material. Registration Rights We entered into a registration rights agreement with certain persons receiving shares of ESRT common stock or operating partnership units in the formation transactions, including certain members of ESRT's senior management team and our other continuing investors. In connection therewith, we have filed, and are obligated to maintain the effectiveness of, an automatically effective shelf registration statement, along with a prospectus supplement, with respect to, among other things, shares of ESRT Class A common stock that may be issued upon redemption of operating partnership units or issued upon conversion of shares of ESRT Class B common stock to continuing investors in the public existing entities. Pursuant to the registration rights agreement, under certain circumstances, ESRT will also be required to undertake an underwritten offering upon the written request of the Malkin Group, which we refer to as the holder, provided (i) the registrable shares to be registered in such offering will have a market value of at least $150.0 million, (ii) ESRT will not be obligated to effect more than two underwritten offerings during any 12-month period; and (iii) the holder will not have the ability to effect more than four underwritten offerings. In addition, if ESRT files a registration statement with respect to an underwritten offering for its own account or on behalf of the holder, the holder will have the right, subject to certain limitations, to register such number of registrable shares held by him, her or it as each such holder requests. With respect to underwritten offerings on behalf of the holder, ESRT will have the right to register such number of primary shares as it requests; provided, however, that if cut backs are required by the managing underwriters of such an offering, ESRT's primary shares shall be cutback first (but in no event will our shares be cut back to less than $25.0 million). ESRT has also agreed to indemnify the persons receiving rights against specified liabilities, including certain potential liabilities arising under the Securities Act, or to contribute to the payments such persons may be required to make in respect thereof. ESRT has agreed to pay all of the expenses relating to the registration and any underwritten offerings of such securities, including, without limitation, all registration, listing, filing and stock exchange or FINRA fees, all fees and expenses of complying with securities or “blue sky” laws, all printing expenses and all fees and disbursements of counsel and independent public accountants retained by ESRT, but excluding underwriting discounts and commissions, any out-of-pocket expenses (except ESRT will pay any holder’s out-of-pocket fees (including disbursements of such holder’s counsel, accountants and other advisors) up to $25,000 in the aggregate for each underwritten offering and each filing of a resale shelf registration statement or demand registration statement), and any transfer taxes. Employment Agreement and Change in Control Severance Agreements ESRT entered into employment agreements with Anthony E. Malkin and Christina Chiu, which provide for salary, bonuses and other benefits, including among other things, severance benefits upon a termination of employment under certain circumstances and the issuance of equity awards. In addition, ESRT entered into change in control severance agreements with Thomas P. Durels and Stephen V. Horn. Indemnification of Our Directors and Officers We entered into indemnification agreements with each of ESRT's directors, executive officers, chairman emeritus and certain other parties, providing for the indemnification by us for certain liabilities and expenses incurred as a result of actions brought, or threatened to be brought, against (i) ESRT's directors, executive officers and chairman emeritus and (ii) ESRT's executive officers, chairman emeritus and certain other parties who are former members, managers, securityholders, directors, limited partners, general partners, officers or controlling persons of our predecessor in such capacities. Excluded Properties and Businesses The Malkin Group, including Anthony E. Malkin, ESRT's Chairman and Chief Executive Officer, owns non-controlling interests in, and Anthony E. Malkin and Peter L. Malkin control the general partners or managers of, the entities that own interests in seven multi-family properties and three net leased retail properties. The Malkin Group also owns non-controlling interests in one Manhattan office property, two Manhattan retail properties and several retail properties outside of Manhattan, none of which were contributed to us in the formation transactions, and two retail properties in Westport, Connecticut acquired from ESRT in February 2023 (see Sale of Westport Retail Properties above). We refer to the non-controlling interests described above collectively as the excluded properties. In addition, the Malkin Group owns three property managers, which we refer to collectively as the excluded businesses. We do not believe that the excluded properties or the excluded businesses are consistent with our current commercial portfolio or strategic direction. Pursuant to management and/or service agreements with the owners of interests in those excluded properties and businesses, we are designated as the asset manager (supervisor) and/or property manager of the excluded properties, provide services to certain of the excluded properties and the other excluded businesses. As the manager or service provider, we are paid a management or other fee with respect to those excluded properties and businesses where our predecessor had previously received a management fee and reimbursed for our costs in providing the management and other services to those excluded properties and businesses where our predecessor had not previously received a management fee. Our management of the excluded properties and provision of services to the three residential property managers and the existing managers of the other excluded businesses represent a minimal portion of our overall business. There is no established time period in which we will continue to provide such services; and Peter L. Malkin and Anthony E. Malkin expect to sell certain properties or unwind these businesses over time. We are not precluded from acquiring all or certain interests in the excluded properties or businesses. If we were to attempt any such acquisition, we anticipate that Anthony E. Malkin, our Chairman and Chief Executive Officer, will not participate in the negotiation process on our behalf with respect to our potential acquisition of any of these excluded properties or businesses, and the approval of a majority of our independent directors will be required to approve any such acquisition. Services are and were provided by us to excluded properties and businesses. These transactions are reflected in our consolidated statements of operations as third-party management and other fees. We earned asset management (supervisory) and service fees from excluded properties and businesses of $1.2 million, $0.8 million and $0.9 million during the years ended December 31, 2025, 2024 and 2023, respectively. We earned property management fees from excluded properties of $0.2 million, $0.3 million and 0.3 million during the years ended December 31, 2025, 2024 and 2023. Other We receive rent generally at market rental rate for 5,447 square feet of leased space from an entity affiliated with Anthony E. Malkin at one of our properties. Under the lease, the tenant has the right to cancel such lease without special payment on 90 days’ notice. We also have a shared use agreement with such tenant to occupy a portion of the leased premises as the office location for Peter L. Malkin, our chairman emeritus, utilizing approximately 15% of the space, for which we pay to such tenant an allocable pro rata share of the cost. We also have agreements with these entities and excluded properties and businesses to provide them with general computer-related support services. Total aggregate revenue was $0.3 million, $0.3 million and $0.2 million for the years ended December 31, 2025, 2024 and 2023, respectively. One of our directors, Hannah Yang, is sister to Heela Yang, who is Founder and Chief Executive Officer of Sol de Janeiro USA, a tenant at One Grand Central Place — the 11-year 57,203 square foot lease, commenced in April 2025 with a starting annualized rent of $3.5 million. In connection with this lease, the Company performed tenant-specific improvements of approximately $6.0 million. Sol de Janeiro is a subsidiary of L’Occitane, a tenant at 111 W. 33rd Street. RRE Ventures, in which one of our directors, James D. Robinson IV, is a general partner, owns an approximately 17% interest in Pilot Fiber Inc. (“Pilot Fiber”). A subsidiary of Pilot Fiber is a licensee at the Empire State Building, where they license space for equipment. The license commenced in July 2025 and calls for an initial annual license fee of $114,000, with annual increases that result in the fee exceeding $120,000 beginning in the third year of the term. In addition, Pilot Fiber currently provides internet connectivity services at three of our properties and is expected to be expanded to additional buildings within our portfolio. Based on current installations and anticipated expansions, we estimate we will make annual payments to Pilot Fiber that total approximately $110,000.
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Income Taxes |
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| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Taxes | Income Taxes Holdings TRS and Observatory TRS are taxable entities and their consolidated provision for income taxes consisted of the following:
As of December 31, 2025, ESRT had $103.0 million of NOL carryforwards that may be used in the future to reduce the amount otherwise required to be distributed by ESRT to meet REIT requirements. However, for federal income tax purposes, the NOL will not be able to offset more than 80% of ESRT’s REIT taxable income and may not be able to reduce the amount required to be distributed by ESRT to meet REIT requirements to zero. The federal NOL may be carried forward indefinitely. Other limitations may apply to ESRT’s ability to use its NOL to offset taxable income. The effective income tax rate reconciliations are presented below:
(1) State and local taxes in New York made up the majority (greater than 50 percent) of the tax effect in this category. (2) The effective income tax rate was 34.3% and 44.5% for the years ended December 31, 2024 and 2023, respectively. The actual tax provision differed from that computed at the federal statutory corporate rate as follows:
We measure deferred tax assets and liabilities using enacted tax rates that will apply in the years in which the temporary differences are expected to be recovered or paid. As of December 31, 2025 and 2024 the Company had deferred tax assets of $0.9 million, which are included in prepaid expenses and other assets on the consolidated balance sheets. As of December 31, 2025 and 2024 the Company had deferred tax liabilities of $0.7 million and $0.4 million, respectively, which are included in deferred revenue and other liabilities on the consolidated balance sheets. As of December 31, 2025, 2024 and 2023, the TRS entities have no amount of unrecognized tax benefits. As of December 31, 2025, the tax years ended December 31, 2022 through December 31, 2025 remain open for an audit by the Internal Revenue Service, state or local authorities.
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| Segment Reporting [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting | Segment Reporting The Company's operating segments are based on our method of internal reporting and include our office properties, retail portfolio, multifamily portfolio, and the Observatory. These operating segments have been aggregated for reporting into two reportable segments: (1) real estate and (2) Observatory. Our real estate segment includes all activities related to the ownership, management, operation, acquisition, redevelopment, repositioning and disposition of our traditional real estate assets. Our Observatory segment operates the 86th and 102nd floor observatories at the Empire State Building. These two lines of businesses are managed separately because each business requires different support infrastructures, provides different services and has dissimilar economic characteristics such as investments needed, stream of revenues and marketing strategies. We account for intersegment sales and rents as if the sales or rents were to third parties. Our Chief Executive Officer, who also serves as our CODM, manages our business, regularly accesses information, and evaluates performance for operating decision-making purposes, including allocation of resources. The CODM uses Net Operating Income ("NOI") to review actual performance and decide whether to invest in capital expenditures, pursue acquisitions and/or dispositions, determine dividend payments, and/or engage in other capital transactions. Our CODM does not evaluate operating segments using asset or liability information. The following tables provide components of segment net income for each segment:
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense.
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense.
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense. Below is a reconciliation of Net operating income to Income before income taxes:
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Subsequent Events |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Subsequent Events [Abstract] | |
| Subsequent Events | Subsequent Events None.
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Schedule III - Real Estate and Accumulated Depreciation |
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| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule III - Real Estate and Accumulated Depreciation | Schedule III—Real Estate and Accumulated Depreciation (amounts in thousands)
(1) In 2025, 2024 and 2023, the Company acquired two, two and nine buildings, respectively, collectively known and operated as the North 6th Street Collection. The buildings acquired are predominantly pre-war buildings that were renovated between the years 2001-2019. The initial cost of the 2025 acquisition included $11.2 million of land and $20.5 million of building and improvements. (2) 130 Mercer Street, also known as 555-557 Broadway, was originally constructed as two buildings in 1900 and 1999, respectively, and subsequently renovated in 2017. 1. Reconciliation of Investment Properties The changes in our investment properties for the years ended December 31, 2025, 2024 and 2023 are as follows:
The unaudited aggregate cost of investment properties for federal income tax purposes as of December 31, 2025 was $4.0 billion. 2. Reconciliation of Accumulated Depreciation The changes in our accumulated depreciation for the years ended December 31, 2025, 2024 and 2023 are as follows:
Depreciation of investment properties reflected in the combined statements of income is calculated over the estimated original lives of the assets as follows:
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Insider Trading Arrangements |
3 Months Ended |
|---|---|
|
Dec. 31, 2025
shares
| |
| Trading Arrangements, by Individual | |
| Non-Rule 10b5-1 Arrangement Adopted | false |
| Rule 10b5-1 Arrangement Terminated | false |
| Non-Rule 10b5-1 Arrangement Terminated | false |
| Thomas P. Durels [Member] | |
| Trading Arrangements, by Individual | |
| Material Terms of Trading Arrangement | On December 20, 2025, Thomas P. Durels, Executive Vice President, Real Estate, adopted a trading arrangement that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act for the sale, from time to time from April 1, 2026 through January 12, 2027 of up to 1,780,000 shares of our common stock. As previously disclosed, Mr. Durels plans to transition from his role, and the trading arrangement is designed to facilitate orderly disposition of shares for tax and retirement planning purposes and was established in accordance with the Company's insider trading policies and applicable SEC rules. |
| Name | Thomas P. Durels |
| Title | Executive Vice President, Real Estate |
| Rule 10b5-1 Arrangement Adopted | true |
| Adoption Date | December 20, 2025 |
| Expiration Date | January 12, 2027 |
| Arrangement Duration | 286 days |
| Aggregate Available | 1,780,000 |
Insider Trading Policies and Procedures |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Insider Trading Policies and Procedures [Line Items] | |
| Insider Trading Policies and Procedures Adopted | true |
Cybersecurity Risk Management and Strategy Disclosure |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Cybersecurity Risk Management, Strategy, and Governance [Line Items] | |
| Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] | We regularly assess risks from cybersecurity threats, monitor our information systems for potential vulnerabilities and test those systems pursuant to our cybersecurity policies and procedures, which are integrated into the Company’s overall risk management framework. We use a combination of internal personnel and third-party service providers to monitor, detect and respond to potential cybersecurity threats. We maintain a cyber incident response plan that is reviewed periodically and tested through tabletop exercises involving management and other key personnel. We also conduct periodic testing and employee training designed to assess and enhance the effectiveness of our cybersecurity controls. To date, cybersecurity threats, including as a result of any previous cybersecurity incidents, have not materially affected and we believe are not reasonably likely to materially affect our business strategy, results of operations or financial condition. Refer to the risk factor captioned “Cyberattacks and any failure to comply with related laws could negatively impact us.” in Part I, ITEM 1A. “Risk Factors” for additional description of cybersecurity risks and potential related impacts on the Company. Governance
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| Cybersecurity Risk Management Processes Integrated [Flag] | true |
| Cybersecurity Risk Management Processes Integrated [Text Block] | We regularly assess risks from cybersecurity threats, monitor our information systems for potential vulnerabilities and test those systems pursuant to our cybersecurity policies and procedures, which are integrated into the Company’s overall risk management framework. We use a combination of internal personnel and third-party service providers to monitor, detect and respond to potential cybersecurity threats.
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| Cybersecurity Risk Management Third Party Engaged [Flag] | true |
| Cybersecurity Risk Third Party Oversight and Identification Processes [Flag] | true |
| Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag] | false |
| Cybersecurity Risk Board of Directors Oversight [Text Block] | ESRT's Board of Directors oversees cybersecurity risk management, primarily through the Audit Committee. The Audit Committee receives periodic reports regarding cybersecurity risks, strategy and incidents.
|
| Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block] | The Audit Committee receives periodic reports regarding cybersecurity risks, strategy and incidents. |
| Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block] | Our Chief Technology Officers ("CTOs") are responsible for leading our cybersecurity risk management efforts and reports to the Audit Committee on cybersecurity matters. |
| Cybersecurity Risk Role of Management [Text Block] | Our Chief Technology Officers ("CTOs") are responsible for leading our cybersecurity risk management efforts and reports to the Audit Committee on cybersecurity matters. |
| Cybersecurity Risk Management Positions or Committees Responsible [Flag] | true |
| Cybersecurity Risk Management Positions or Committees Responsible [Text Block] | Our Chief Technology Officers ("CTOs") are responsible for leading our cybersecurity risk management efforts and reports to the Audit Committee on cybersecurity matters. |
| Cybersecurity Risk Management Expertise of Management Responsible [Text Block] | Our CTOs have extensive experience in information technology and cybersecurity. |
| Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block] | Our Chief Technology Officers ("CTOs") are responsible for leading our cybersecurity risk management efforts and reports to the Audit Committee on cybersecurity matters. |
| Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag] | true |
Summary of Significant Accounting Policies (Policies) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Accounting Policies [Abstract] | |
| Basis of Presentation and Principles of Consolidation | The accompanying consolidated financial statements prepared in conformity with accounting principles generally accepted in the United States of America ("GAAP") and with the rules and regulations of the SEC, represent our assets and liabilities and operating results. The consolidated financial statements include our accounts and our partially owned and wholly owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.
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| Principles of Consolidation for Variable Interest Entities | We consolidate entities in which we have a controlling financial interest. In determining whether we have a controlling financial interest in a partially owned entity and the requirement to consolidate the accounts of that entity, we consider factors such as ownership interest, board representation, management representation, authority to make decisions, and contractual and substantive participating rights of the partners/members. For variable interest entities ("VIE"), we consolidate the entity if we are deemed to have a variable interest in the entity and through that interest we are deemed the primary beneficiary. The primary beneficiary of a VIE is the entity that has (i) the power to direct the activities that most significantly impact the entity's economic performance and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. The primary beneficiary is required to consolidate the VIE. We also determined that the Operating Partnership has a variable interest in and is the primary beneficiary of the intermediary entity that holds title to 130 Mercer Street acquired in December 2025, and as a result is consolidated in the financial statements of ESRT as of December 31, 2025. We assess consolidation accounting treatment for each investment in a VIE. This assessment will include a review of the relevant agreements to identify the rights of each party and whether those rights provide either party the power to direct the activities that most significantly impact the entity’s economic performance and benefit. In situations where we and our partner approve, among other things, the annual budget, or leases that cover more than a nominal amount of space relative to the total rentable space at each property, we would not consolidate the investment as we consider these to be substantive participation rights that result in shared power of the activities that would most significantly impact the performance and benefit of such joint venture investment.
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| Accounting Estimates | The preparation of the consolidated financial statements in accordance with GAAP requires management to use estimates and assumptions that in certain circumstances affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Significant items subject to such estimates and assumptions include allocation of the purchase price of acquired real estate properties among tangible and intangible assets, determination of the useful life of real estate properties and other long-lived assets, valuation and impairment analysis of commercial real estate properties, goodwill, right-of-use assets and other long-lived and indefinite-lived assets, estimate of tenant expense reimbursements, valuation of the allowance for doubtful accounts, and valuation of derivative instruments, ground lease liabilities, senior unsecured notes, mortgage notes payable, unsecured revolving credit and term loan facilities, and equity based compensation. These estimates are prepared using management’s best judgment, after considering past, current, and expected events and economic conditions. Actual results could differ from those estimates.
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| Revenue Recognition and Other Revenues and Fees | Rental Revenue Rental revenue includes base rents that each tenant pays in accordance with the terms of its respective lease and is reported on a straight-line basis over the non-cancellable term of the lease which includes the effects of rent steps and rent abatements under the leases. In general, we commence rental revenue recognition when the tenant takes possession of the leased space or controls the physical use of the leased space and the leased space is substantially ready for its intended use. We account for all of our leases as operating leases and have elected not to separate non-lease components from lease components. Deferred rent receivables, including free rental periods and leasing arrangements allowing for increased base rent payments, are accounted for in a manner that provides an even amount of fixed lease revenues over the respective non-cancellable lease terms. Differences between rental income recognized and amounts due under the respective lease agreements are recognized as an increase or decrease to deferred rent receivables. In addition to base rent, our tenants also generally will pay their pro rata share of increases in real estate taxes and operating expenses for the building over a base year. In some leases, in lieu of paying additional rent based upon increases in building operating expenses, the tenant will pay additional rent based upon increases in an index such as the Consumer Price Index over the index value in effect during a base year or contain fixed percentage increases over the base rent to cover escalations. We recognize rental revenue of acquired in-place above- and below-market leases at their fair values over the terms of the respective leases. Lease termination fees are recognized when the fees are determinable, tenant vacancy has occurred, collectability is reasonably assured, we have no continuing obligation to provide services to such former tenants and the payment is not subject to any conditions that must be met or waived. Observatory Revenue Revenues from the sale of Observatory tickets are recognized upon admission or ticket expirations. Deferred revenue related to unused and unexpired tickets as of December 31, 2025 and 2024 was $1.4 million and $1.9 million, respectively, and is included in deferred revenue and other liabilities on the consolidated balance sheets. Gains on Sale/Disposition of Real Estate We record a gain on sale/disposition of real estate pursuant to provisions under Accounting Standards Codification (ASC) 610-20, Gains and Losses from the Derecognition of Nonfinancial Assets. Under ASC 610-20, we must first determine whether the transaction is a sale to a customer or non-customer. We do not sell real estate within the ordinary course of our business and therefore, expect that sale transactions will not be contracts with customers. We will next determine whether we would have a controlling financial interest in the property after the sale. If we determine that we do not have a controlling financial interest in the real estate, we would evaluate whether a contract exists under ASC 606 Revenue from Contracts with Customers and whether the buyer has obtained control of the asset that was sold. We recognize the full gain on sale/disposition of real estate when the derecognition criteria under ASC 610-20 have been met. Third-Party Management and Other Fees We earn revenue arising from contractual agreements with related party entities for asset and property management services. This revenue is recognized as the related services are performed under the respective agreements in place. Other revenues and fees include parking income, legal, tax and insurance settlements, demand response energy use earnings and sales from our restaurant at the Empire State Building.
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| Advertising and Marketing Costs | Advertising and marketing costs are expensed as incurred. |
| Real Estate Properties and Related Intangible Assets | Land and buildings and improvements are recorded at cost less accumulated depreciation and amortization. The recorded cost includes cost of acquisitions, development and construction and tenant allowances and improvements. Expenditures for ordinary repairs and maintenance are charged to property operating expense as incurred. Significant replacements and betterments which improve or extend the life of the asset are capitalized. Tenant improvements which improve or extend the life of the asset are capitalized. If a tenant vacates its space prior to the contractual termination of its lease, the unamortized balance of any tenant improvements are written off if they are replaced or have no future value. For developed properties and properties under redevelopment, direct and indirect costs that clearly relate to projects under development are capitalized. Costs include construction costs, professional services such as architectural and legal costs, capitalized interest and direct payroll costs. The assets relating to the project are stated at cost and are not depreciated. Once construction is completed and the assets are placed in service, the assets are reclassified to the appropriate asset class and depreciated in accordance with the useful lives as indicated below. Capitalization of interest ceases when the asset is ready for its intended use, which is generally near the date that a certificate of occupancy is obtained. There was $0.5 million of interest capitalized for the year ended December 31, 2025 and none for the year ended December 31, 2024. Depreciation and amortization are computed using the straight-line method for financial reporting purposes. Buildings and improvements are depreciated over the shorter of 39 years, the useful life, or the remaining term of any leasehold interest. Tenant improvement costs, which are included in building and improvements in the consolidated balance sheets, are depreciated over the shorter of (i) the related remaining lease term or (ii) the life of the improvement. Corporate and other equipment is depreciated over to seven years. Acquisitions of properties are accounted for as asset acquisitions, and accordingly the purchase cost is allocated to tangible and intangible assets and liabilities based on their relative fair values. The fair value of tangible assets acquired is determined by valuing the property as if it were vacant, applying methods similar to those used by independent appraisers of income-producing property. The resulting value is then allocated to land, buildings and improvements, and tenant improvements based on our determination of the fair value of these assets. The assumptions used in the allocation of fair values to assets acquired are based on our best estimates at the time of evaluation. Fair value is assigned to above-market and below-market leases based on the difference between (a) the contractual amounts to be paid by the tenant based on the existing lease and (b) our estimate of current market lease rates for the corresponding in-place leases, over the remaining terms of the in-place leases. Above-market lease amounts are amortized as a decrease to rental revenue over the remaining terms of the respective leases. Below-market lease amounts are amortized as an increase to rental revenue over the remaining terms of the respective leases. If a tenant vacates its space prior to the contractual termination of the lease and no rental payments are being made on the lease, any unamortized balance of the related intangible will be written off. The aggregate value of other acquired intangible assets consists of acquired ground leases and acquired in-place leases and tenant relationships. The fair value allocated to acquired in-place leases consists of a variety of components including, but not necessarily limited to: (a) the value associated with avoiding the cost of originating the acquired in-place leases (i.e. the market cost to execute a lease, including leasing commissions, if any); (b) the value associated with lost revenue related to tenant reimbursable operating costs estimated to be incurred during the assumed lease-up period (i.e. real estate taxes, insurance and other operating expenses); (c) the value associated with lost rental revenue from existing leases during the assumed lease-up period; and (d) the value associated with any other inducements to secure a tenant lease. We assess the potential for impairment of our long-lived assets, including real estate properties, annually or whenever events occur or a change in circumstances indicate that the recorded value might not be fully recoverable. We determine whether impairment in value has occurred by comparing the estimated future undiscounted cash flows expected from the use and eventual disposition of the asset to its carrying value. If the undiscounted cash flows do not exceed the carrying value, the real estate is adjusted to fair value and an impairment loss is recognized. Assets held for sale are recorded at the lower of cost or fair value less costs to sell and depreciation expense is no longer recorded.
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| Cash and Cash Equivalents | Cash and cash equivalents consist of cash on hand, government money markets, demand deposits with financial institutions and short-term liquid investments with original maturities of three months or less when purchased. Cash and cash equivalents held at major commercial banks may at times exceed the Federal Deposit Insurance Corporation limit. To date, we have not experienced any losses on our invested cash.
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| Restricted Cash | Restricted cash consists of amounts held for tenants in accordance with lease agreements, such as security deposits and amounts held by lenders and/or escrow agents to provide for future real estate tax expenditures and insurance expenditures, tenant vacancy related costs and debt service obligations.
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| Short-term Investments | Short-term investments include time deposits with original maturities of greater than three months and remaining maturities of less than one year.
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| Tenant and Other Receivables | Tenant and other receivables, other than deferred rent receivable, are generally expected to be collected within one year.
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| Deferred Leasing Costs and Deferred Financing Costs | Deferred leasing costs consist of fees incurred to initiate and renew leases, are amortized on a straight-line basis over the related lease term and the expense is included in depreciation and amortization in our consolidated statements of income. Upon the early termination of a lease, unamortized deferred leasing costs are charged to depreciation and amortization expense. Fees and costs incurred to obtain long-term financing have been deferred and are amortized as a component of interest expense in our consolidated statements of income over the life of the respective long-term financing on the straight-line method, which approximates the effective interest method. Unamortized deferred financing costs are expensed when the associated debt is refinanced or repaid before maturity. Costs incurred in seeking debt, which do not close, are expensed in the period in which it is determined that the financing will not close.
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| Equity Method Investments | Equity Method Investments We account for investments under the equity method of accounting where we do not have control but have the ability to exercise significant influence. Under this method, investments are recorded at cost, and the investment accounts are adjusted for our share of the entities’ income or loss and for distributions and contributions. Equity income (loss) is allocated based on the portion of the ownership interest that is controlled by us. The agreements may designate different percentage allocations among investors for profits and losses; however, our recognition of the entity’s income or loss generally follows the entity’s distribution priorities, which may change upon the achievement of certain investment return thresholds. To the extent that we contributed assets to an entity, our investment in the entity is recorded at cost basis in the assets that were contributed to the entity. Upon contributing assets to an entity, we make a judgment as to whether the economic substance of the transaction is a sale. In accordance with the provisions of ASC 610-20, we will recognize a full gain on both the retained and sold portions of real estate contributed or sold to an entity by recognizing our new equity method investment interest at fair value. To the extent that the carrying amount of these investments on our combined balance sheets is different than the basis reflected at the entity level, the basis difference would be amortized over the life of the related asset and included in our share of equity in net income of the entity. On a periodic basis, we assess whether there are any indicators that the carrying value of our investments in entities may be impaired on an other than temporary basis. An investment is impaired only if management’s estimate of the fair value of the investment is less than the carrying value of the investment on an other than temporary basis. To the extent impairment has occurred, the loss shall be measured as the excess of the carrying value of the investment over the fair value of the investment.
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| Goodwill | Goodwill is tested annually for impairment and more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss is recognized to the extent that the carrying amount, including goodwill, exceeds the reporting unit’s fair value. Non-amortizing intangible assets, such as trade names and trademarks, are subject to an annual impairment test based on fair value and amortizing intangible assets are tested whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.
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| Fair Value | Fair value is a market-based measurement, not an entity-specific measurement, and should be determined based on the assumptions that market participants would use in pricing the asset or liability. As a basis for considering market participant assumptions in fair value measurements, the FASB guidance establishes a fair value hierarchy that distinguishes between market participant assumptions based on market data obtained from sources independent of the reporting entity (observable inputs that are classified within levels one and two of the hierarchy) and the reporting entity's own assumptions about market participant assumptions (unobservable inputs classified within Level 3 of the hierarchy). The methodologies used for valuing financial instruments have been categorized into three broad levels as follows: Level 1 - Quoted prices in active markets for identical instruments. Level 2 - Valuations based principally on other observable market parameters, including: •Quoted prices in active markets for similar instruments; •Quoted prices in less active or inactive markets for identical or similar instruments; •Other observable inputs (such as risk free interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates); and •Market corroborated inputs (derived principally from or corroborated by observable market data). Level 3 - Valuations based significantly on unobservable inputs, including: •Valuations based on third-party indications (broker quotes or counterparty quotes) which were, in turn, based significantly on unobservable inputs or were otherwise not supportable; and •Valuations based on internal models with significant unobservable inputs. These levels form a hierarchy. We follow this hierarchy for our financial instruments measured or disclosed at fair value on a recurring and nonrecurring basis and other required fair value disclosures. The classifications are based on the lowest level of input that is significant to the fair value measurement. We use the following methods and assumptions in estimating fair value disclosures for financial instruments. Cash and cash equivalents, restricted cash, short-term investments, tenant and other receivables, prepaid expenses and other assets, deferred revenue, tenant security deposits, accounts payable and accrued expenses carrying values approximate their fair values due to the short term maturity of these instruments. The fair value of derivative instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. Although the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by ourselves and our counterparties. The impact of such credit valuation adjustments, determined based on the fair value of each individual contract, was not significant to the overall valuation. As a result, all of our derivatives were classified as Level 2 of the fair value hierarchy. The fair value of our mortgage notes payable, senior unsecured notes, unsecured term loan facilities and unsecured revolving credit facility which are determined using Level 3 inputs are estimated by discounting the future cash flows using current interest rates at which similar borrowings could be made by us.
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| Derivative Instruments | We are exposed to the effect of interest rate changes and manage these risks by following policies and procedures including the use of derivatives. To manage exposure to interest rates, derivatives are used primarily to fix the rate on debt based on floating-rate indices. We record all derivatives on the balance sheet at fair value. We incorporate credit valuation adjustments to appropriately reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. We measure the credit risk of our derivative instruments that are subject to master netting agreements on a net basis by counterparty portfolio. For derivatives that qualify as cash flow hedges, we report the gain or loss on the derivative designated as a hedge as part of other comprehensive income (loss) and subsequently reclassify the gain or loss into income in the period that the hedged transaction affects income.
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| Income Taxes | We are generally not subject to federal and state income taxes as our taxable income or loss is reportable by our partners. Accordingly, no provision has been made for federal income taxes. ESRT has elected to treat ESRT Observatory TRS, L.L.C., our subsidiary that holds our Observatory operations, and ESRT Holdings TRS, L.L.C., our subsidiary that holds our third-party management, restaurant, cafeteria, health clubs, certain cleaning operations, and amenity center as taxable REIT subsidiaries. Taxable REIT subsidiaries may participate in non-real estate activities and/or perform non-customary services for tenants and their operations are generally subject to regular corporate income taxes. Our taxable REIT subsidiaries account for its income taxes in accordance with GAAP, which includes an estimate of the amount of taxes payable or refundable for the current year and deferred tax liabilities and assets for the future tax consequences of events that have been recognized in our consolidated financial statements or tax returns. The calculation of the taxable REIT subsidiaries' tax provisions may require interpreting tax laws and regulations and could result in the use of judgments or estimates which could cause its recorded tax liability to differ from the actual amount due. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The taxable REIT subsidiaries periodically assess the realizability of deferred tax assets and the adequacy of deferred tax liabilities, including the results of local, state, or federal statutory tax audits or estimates and judgments used. We apply provisions for measuring and recognizing tax benefits associated with uncertain income tax positions. Penalties and interest, if incurred, would be recorded as a component of income tax expense.
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| Share-Based Compensation | Share-based compensation for time-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over the shorter of (i) the stated vesting period, which is generally , or five years, or (ii) the period from the date of grant to the date the employee becomes retirement eligible for awards granted to non-named executive officer employees and awards granted before 2025 to named executive officers, which may occur upon grant. An employee is retirement eligible when the employee attains the (i) age of 65 and (ii) the date on which the employee has first completed the requisite years of continuous service with us or our affiliates. Share-based compensation for market-based equity awards and performance-based equity awards is measured at the fair value of the award on the date of grant and recognized as an expense on a straight-line basis over or four years. Additionally, for the performance-based equity awards, we assess, at each reporting period, whether it is probable that the performance conditions will be satisfied. We recognize expense respective to the number of awards we expect to vest at the conclusion of the measurement period. Changes in estimate are accounted for in the period of change through a cumulative catch-up adjustment. Any forfeitures of share-based compensation awards are recognized as they occur. The determination of fair value of these awards is subjective and involves estimates and assumptions including expected volatility of ESRT stock based on historical volatility, expected dividend yield, expected term, and assumptions of whether these awards will achieve parity with other operating partnership units or achieve performance thresholds. We believe that the assumptions and estimates utilized are appropriate based on the information available to management at the time of grant.
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| Per Share Data | Basic and diluted earnings per unit are computed based upon the weighted average number of shares outstanding during the respective period.
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| Segment Reporting | The Company's operating segments are based on our method of internal reporting and include our office properties, retail portfolio, multifamily portfolio, and the Observatory. These operating segments have been aggregated for reporting into two reportable segments: (1) Real Estate and (2) Observatory. Our real estate segment includes all activities related to the ownership, management, operation, acquisition, repositioning and disposition of our real estate assets. Our Observatory segment operates the 86th and 102nd floor observatories at the Empire State Building. These two lines of businesses are managed separately because each business requires different support infrastructures, provides different services and has dissimilar economic characteristics such as investments needed, stream of revenues and different marketing strategies. We account for intersegment sales and rent as if the sales or rent were to third parties.
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| Recently Issued or Adopted Accounting Standards | During December 2023, the Financial Accounting Standards Board issued Accounting Standards Update ("ASU") No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The standard enhances income tax disclosure requirements for all entities by requiring specified categories and greater disaggregation within the rate reconciliation table, disclosure of income taxes paid by jurisdiction, and providing clarification on uncertain tax positions and related financial statement impacts. We adopted this standard for the fiscal year ended December 31, 2025, with prospective application. During November 2024, the Financial Accounting Standards Board issued Accounting Standards Update ("ASU") No. 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. The standard requires that public business entities disclose additional information about specific expense categories in the notes to financial statements for interim and annual reporting periods. The amendments in this ASU are effective for fiscal years beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. Early adoption is permitted. We are evaluating the impact of adopting this new accounting standard on our consolidated financial statements.
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Acquisitions and Dispositions (Tables) |
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| Business Combination and Dispositions [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Properties Acquired | The following table summarizes the purchase price allocations of these acquisitions (amounts in thousands):
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| Schedule of Properties Disposed | The following table summarizes properties disposed of during the years ended December 31, 2025, 2024 and 2023 (amounts in thousands):
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Deferred Costs, Acquired Lease Intangibles and Goodwill (Tables) |
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Deferred Costs, Net | Deferred costs, net, consisted of the following:
Deferred financing costs, net, consisted of the following:
The total amortization expense related to deferred financing costs consisted of the following:
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| Schedule of Amortizing Acquired Intangible Assets and Liabilities | Acquired below-market ground leases, net, consisted of the following:
Acquired below-market leases, net, consisted of the following:
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| Schedule of Amortization Related to Deferred Costs and Acquired Lease Intangibles | The total amortization related to deferred costs and acquired lease intangibles consisted of the following:
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| Schedule of Remaining Weighted Average Amortization Period for Intangible Assets | The remaining weighted-average amortization periods as of December 31, 2025 are:
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| Schedule of Future Amortization Expense and Rental Revenue from Acquired Intangible Assets | We expect to recognize amortization expense and rental revenue from the acquired intangible assets and liabilities as follows (amounts in thousands):
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Debt (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Debt Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Debt | Debt consisted of the following:
_____________ (1)The effective rate is the yield as of December 31, 2025 and includes the stated interest rate, deferred financing cost amortization and interest associated with variable to fixed interest rate swap agreements in effect as of December 31, 2025. (2)Maturity dates presented are inclusive of extension options. Pre-payment is generally allowed for each loan upon payment of a customary pre-payment penalty. (3)At December 31, 2025, we were in compliance with all debt covenants.
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| Schedule of Aggregate Required Principal Payments | Aggregate required principal payments at December 31, 2025 are as follows (amounts in thousands):
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| Schedule of Deferred Costs, Net | Deferred costs, net, consisted of the following:
Deferred financing costs, net, consisted of the following:
The total amortization expense related to deferred financing costs consisted of the following:
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Accounts Payable and Accrued Expenses (Tables) |
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| Payables and Accruals [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accounts Payable and Accrued Expenses | Accounts payable and accrued expenses consist of the following:
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Financial Instruments and Fair Values (Tables) |
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| Fair Value Disclosures [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of the Terms of Agreements and Fair Values of Derivative Financial Instruments | The table below summarizes the terms of agreement and the fair value of our derivative financial instruments:
(1) Included as a component of prepaid expenses and other assets on the consolidated balance sheets. (2) Included as a component of accounts payable and accrued expenses on the consolidated balance sheets. (3) The notional amount of each interest rate swap effective December 31, 2026 is $87.5 million.
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| Schedule of Effect of Derivative Financial Instruments Designated as Cash Flow Hedges | The table below shows the effect of our derivative financial instruments designated as cash flow hedges on accumulated other comprehensive income (loss):
The table below shows the effect of our derivative financial instruments designated as cash flow hedges on the consolidated statements of operations:
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| Schedule of Carrying and Estimated Fair Values of Financial Instruments | The following tables summarize the carrying and estimated fair values of our financial instruments:
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Leases (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Components of Rental Revenue | The components of rental revenue consisted of the following:
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| Schedule of Future Contractual Minimum Lease Payments On Non-Cancellable Operating Leases To Be Received | As of December 31, 2025, we were entitled to the following future contractual minimum lease payments (excluding tenant expense reimbursements) on non-cancellable operating leases to be received which expire on various dates through 2054 (amounts in thousands):
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| Schedule of Future Minimum Lease Payments | As of December 31, 2025, the following table summarizes our future minimum lease payments discounted by our incremental borrowing rates to calculate the lease liabilities of our leases (amounts in thousands):
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Commitments and Contingencies (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Commitments and Contingencies Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Percent of Total Rental Revenue | For the years ended December 31, 2025, 2024 and 2023, the three properties listed below each exceeded 10% of total rental revenues.
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| Schedule of Contributions to Multiemployer Plans | Contributions we made to the multi-employer plans for the years ended December 31, 2025, 2024 and 2023 are included in the table below (amounts in thousands):
(1) Pension plans include $0.8 million, $0.9 million and $0.8 million for the years ended 2025, 2024 and 2023, respectively, to multiemployer plans not discussed above. (2) Health plans include $1.5 million, $1.6 million and $1.6 million for the years ended 2025, 2024 and 2023, respectively, to multiemployer plans not discussed above. (3) Other consists of union costs which were not itemized between pension and health plans. Other includes $0.2 million, $0.3 million and $0.3 million for the years ended 2025, 2024 and 2023, respectively, in connection with other multiemployer plans not discussed above.
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Capital (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Equity [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Purchases of Equity Securities | The following table summarizes repurchases of equity securities in each of the three months ended December 31, 2025 under the repurchase program described above:
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| Schedule of Distribution Activity | The following table summarizes the distributions paid on our operating partnership units for the years ended December 31, 2025, 2024 and 2023:
The following is a summary of dividend and distribution activity:
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| Schedule of ERST Restricted Stock and LTIP Unit Activity | In March 2025, we made grants of LTIP units to executive officers under the 2024 Plan, including:
In March 2025, we made grants of LTIP units and restricted stock to certain other employees under the 2024 Plan, including:
The following is a summary of ESRT restricted stock and LTIP unit activity for the year ended December 31, 2025:
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| Schedule of Share-Based Payment Award, Restricted Stock, Valuation Assumptions | The fair value per unit or share granted during the years ended December 31, 2025, 2024 and 2023 was estimated on the respective grant dates using the following assumptions:
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| Schedule of Computation of Earnings Per Unit | Earnings per unit is computed as follows:
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Income Taxes (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Income Tax Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Components of Income Tax Expense (Benefit) | Holdings TRS and Observatory TRS are taxable entities and their consolidated provision for income taxes consisted of the following:
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| Schedule of Actual Tax Provision Differed From Federal Statutory Corporate Rate | The effective income tax rate reconciliations are presented below:
(1) State and local taxes in New York made up the majority (greater than 50 percent) of the tax effect in this category. (2) The effective income tax rate was 34.3% and 44.5% for the years ended December 31, 2024 and 2023, respectively. The actual tax provision differed from that computed at the federal statutory corporate rate as follows:
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Segment Reporting (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2025 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Segment Reporting [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Segment Reporting Information, by Segment | The following tables provide components of segment net income for each segment:
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense.
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense.
(1) Other segment expenses in the real estate segment include real estate taxes and ground rent expense and in the Observatory segment includes intercompany rent expense.
|
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| Schedule of Reconciliation of Net income to Net operating Income | Below is a reconciliation of Net operating income to Income before income taxes:
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Deferred Costs, Acquired Lease Intangibles and Goodwill - Schedule of Amortizing Acquired Intangible Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Below Market Ground Lease, Net [Abstract] | ||
| Acquired below-market ground leases | $ 396,916 | $ 396,916 |
| Less: accumulated amortization | (91,337) | (83,506) |
| Acquired below-market ground leases, net | 305,579 | 313,410 |
| Below Market Lease, Net [Abstract] | ||
| Acquired below-market leases | (81,539) | (56,359) |
| Less: accumulated amortization | 41,772 | 36,862 |
| Acquired below-market leases, net | $ (39,767) | $ (19,497) |
Deferred Costs, Acquired Lease Intangibles and Goodwill - Schedule of Amortization Related to Deferred Costs and Acquired Lease Intangibles (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Rental revenue: | |||
| Amortization of below-market leases, net of above-market leases | $ 3,196 | $ 2,177 | $ 2,415 |
| Depreciation and amortization: | |||
| Amortization of deferred leasing costs and acquired deferred leasing costs | 21,179 | 22,469 | 23,612 |
| Amortization related to acquired in-place lease value | $ 5,794 | $ 5,196 | $ 7,421 |
Deferred Costs, Acquired Lease Intangibles and Goodwill - Schedule of Remaining Weighted Average Amortization Period for Intangible Assets (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Below-market ground leases | |
| Deferred Costs [Line Items] | |
| Weighted-average amortization period (in years) | 41 years 8 months 12 days |
| Above-market leases | |
| Deferred Costs [Line Items] | |
| Weighted-average amortization period (in years) | 11 years 8 months 12 days |
| In-place leases and deferred leasing costs | |
| Deferred Costs [Line Items] | |
| Weighted-average amortization period (in years) | 10 years 6 months |
| Below-market leases | |
| Deferred Costs [Line Items] | |
| Weighted-average amortization period (in years) | 7 years 3 months 18 days |
Deferred Costs, Acquired Lease Intangibles and Goodwill - Schedule of Future Amortization Expense and Rental Revenue from Acquired Intangible Assets (Details) $ in Thousands |
Dec. 31, 2025
USD ($)
|
|---|---|
| Future (Above)/Below-Market Rent Revenue Amortization | |
| 2026 | $ 1,856 |
| 2027 | 1,495 |
| 2028 | 1,304 |
| 2029 | 460 |
| 2030 | 465 |
| Thereafter | (9,173) |
| Future (Above)/Below-Market Rent Revenue Amortization | (3,593) |
| Future Ground Rent Amortization | |
| Future Amortization Expense [Abstract] | |
| 2026 | 7,831 |
| 2027 | 7,831 |
| 2028 | 7,831 |
| 2029 | 7,831 |
| 2030 | 7,831 |
| Thereafter | 266,424 |
| Future Amortization Expense | 305,579 |
| Future Amortization Expense | |
| Future Amortization Expense [Abstract] | |
| 2026 | 11,329 |
| 2027 | 10,472 |
| 2028 | 9,692 |
| 2029 | 7,586 |
| 2030 | 5,295 |
| Thereafter | 34,750 |
| Future Amortization Expense | $ 79,124 |
Deferred Costs, Acquired Lease Intangibles and Goodwill - Narrative (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2013 |
|---|---|---|---|
| Deferred Costs [Line Items] | |||
| Goodwill | $ 491,479 | $ 491,479 | |
| Empire State Building observatory operations | |||
| Deferred Costs [Line Items] | |||
| Goodwill | $ 227,500 | ||
| Empire State Building | |||
| Deferred Costs [Line Items] | |||
| Goodwill | 250,800 | ||
| 501 Seventh Avenue | |||
| Deferred Costs [Line Items] | |||
| Goodwill | $ 13,200 |
Debt - Schedule of Aggregate Required Principal Payments (Details) $ in Thousands |
Dec. 31, 2025
USD ($)
|
|---|---|
| Amortization | |
| 2026 | $ 3,958 |
| 2027 | 4,276 |
| 2028 | 3,555 |
| 2029 | 3,890 |
| 2030 | 4,511 |
| Thereafter | 10,123 |
| Total | 30,313 |
| Maturities | |
| 2026 | 50,000 |
| 2027 | 155,000 |
| 2028 | 146,091 |
| 2029 | 395,000 |
| 2030 | 508,600 |
| Thereafter | 1,104,007 |
| Total | 2,358,698 |
| Total | |
| 2026 | 53,958 |
| 2027 | 159,276 |
| 2028 | 149,646 |
| 2029 | 398,890 |
| 2030 | 513,111 |
| Thereafter | 1,114,130 |
| Total | $ 2,389,011 |
Debt - Schedule of Deferred Financing Costs, Net (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Debt Disclosure [Abstract] | ||
| Deferred financing costs, included as a component of net debt | $ 17,207 | $ 36,309 |
| Deferred financing costs, included as a component of net deferred costs (See Note 4) | 16,638 | 16,638 |
| Total deferred financing costs | 33,845 | 52,947 |
| Less: accumulated amortization | (15,228) | (33,970) |
| Total deferred financing costs, net | $ 18,617 | $ 18,977 |
Debt - Schedule of Amortization Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Debt Disclosure [Abstract] | |||
| Amortization of deferred financing costs | $ 4,428 | $ 4,278 | $ 4,355 |
Debt - Senior Unsecured Notes (Details) - USD ($) |
12 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 27, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 18, 2025 |
|
| Debt Instrument [Line Items] | |||||
| Repayments | $ 100,000,000 | $ 0 | $ 0 | ||
| Senior Unsecured Notes | Series L | |||||
| Debt Instrument [Line Items] | |||||
| Face amount | $ 175,000,000.0 | ||||
| Stated rate (as a percent) | 5.47% | 5.47% | |||
| Senior Unsecured Notes | Series A | |||||
| Debt Instrument [Line Items] | |||||
| Stated rate (as a percent) | 3.93% | 0.00% | |||
| Repayments | $ 100,000,000.0 | ||||
Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Payables and Accruals [Abstract] | ||
| Accounts payable and accrued expenses | $ 64,491 | $ 54,779 |
| Capital expenditures included in accounts payable and accrued expenses | 51,452 | 73,535 |
| Interest rate swap agreements liability | 31 | 0 |
| Accrued interest payable | 4,176 | 3,702 |
| Total accounts payable and accrued expenses | $ 120,150 | $ 132,016 |
Financial Instruments and Fair Values - Narrative (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative [Line Items] | |||
| Aggregate settlement obligation | $ 31,000.0 | ||
| Other comprehensive income (loss) | (5,704,000) | $ 6,658,000 | $ (2,238,000) |
| Property In Receivership | Level 3 | |||
| Derivative [Line Items] | |||
| Long-term debt, fair value | 0 | 158,200,000 | |
| Long-term debt | 0 | 177,700,000 | |
| Cash Flow Hedging | Designated as Hedging Instrument | |||
| Derivative [Line Items] | |||
| Aggregate notional value | 567,048,000 | ||
| Loss expected to be reclassified within twelve months | 1,400,000 | ||
| Interest Rate Swap and Interest Rate Cap | Cash Flow Hedging | Designated as Hedging Instrument | |||
| Derivative [Line Items] | |||
| Aggregate notional value | $ 567,000,000.0 | $ 664,000,000.0 | |
Financial Instruments and Fair Values - Schedule of Effect of Derivative Financial Instruments Designated as Cash Flow Hedges (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Amount of (loss) gain recognized in other comprehensive income (loss) | $ (3,416) | $ 13,769 | $ 5,581 |
| Amount of gain reclassified from accumulated other comprehensive income (loss) into interest expense | (2,288) | (7,111) | (7,819) |
| Interest expense | 103,133 | 105,239 | 101,484 |
| Interest rate swaps | Reclassification out of Accumulated Other Comprehensive Income | Accumulated other comprehensive income (loss) | |||
| Derivative Instruments, Gain (Loss) [Line Items] | |||
| Interest expense | $ 2,288 | $ 7,111 | $ 7,819 |
Leases - Narrative (Details) $ in Thousands |
Dec. 31, 2025
USD ($)
property
|
Dec. 31, 2024
USD ($)
|
|---|---|---|
| Operating Leases [Line Items] | ||
| Leases that have not yet commenced | $ 647,600 | |
| Number of properties subject to ground leases | property | 3 | |
| Operating lease, right-of-use assets | $ 27,944 | $ 28,197 |
| Lease liabilities | $ 27,944 | $ 28,197 |
| Weighted average discount rate (as a percent) | 4.50% | |
| Weighted average remaining lease term (in years) | 44 years 7 months 6 days | |
| Minimum | ||
| Operating Leases [Line Items] | ||
| Term of lease (in years) | 1 year | |
| Maximum | ||
| Operating Leases [Line Items] | ||
| Term of lease (in years) | 30 years |
Leases - Schedule of Components of Rental Revenue (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Leases [Abstract] | |||
| Fixed payments | $ 544,776 | $ 540,357 | $ 529,965 |
| Variable payments | 81,437 | 74,239 | 67,354 |
| Total rental revenue | $ 626,213 | $ 614,596 | $ 597,319 |
Leases - Schedule of Future Contractual Minimum Lease Payments on Non-Cancellable Operating Leases to be Received (Details) $ in Thousands |
Dec. 31, 2025
USD ($)
|
|---|---|
| Leases [Abstract] | |
| 2026 | $ 506,444 |
| 2027 | 497,821 |
| 2028 | 464,585 |
| 2029 | 406,792 |
| 2030 | 350,890 |
| Thereafter | 2,004,540 |
| Total future minimum lease payments on non-cancellable operating leases to be received | $ 4,231,072 |
Leases - Schedule of Future Minimum Lease Payments (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Leases [Abstract] | ||
| 2026 | $ 1,503 | |
| 2027 | 1,482 | |
| 2028 | 1,482 | |
| 2029 | 1,482 | |
| 2030 | 1,482 | |
| Thereafter | 57,801 | |
| Total undiscounted lease payments | 65,232 | |
| Present value discount | (37,288) | |
| Ground lease liabilities | $ 27,944 | $ 28,197 |
Commitments and Contingencies - Legal Proceedings (Details) - New York State Supreme Court, New York County $ in Millions |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Feb. 05, 2026
USD ($)
|
Aug. 26, 2020
USD ($)
|
Oct. 31, 2014
participant
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
|
| Loss Contingencies [Line Items] | |||||
| Number of plaintiffs opting out of settlement (participant) | participant | 12 | ||||
| Amount awarded to claimants | $ 1.2 | ||||
| Interest period (in years) | 7 years | ||||
| Loss contingency accrual | $ 1.8 | $ 1.2 | |||
| Payments for legal settlements | $ 0.6 | ||||
| Subsequent Event | |||||
| Loss Contingencies [Line Items] | |||||
| Amount awarded to claimants | $ 1.5 |
Commitments and Contingencies - Unfunded Capital Expenditures (Details) $ in Millions |
Dec. 31, 2025
USD ($)
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| Unfunded capital expenditures | $ 94.2 |
Commitments and Contingencies - Major Customers and Other Concentrations (Details) - office_property |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Customer concentration risk | Rental revenue | |||
| Concentration Risk [Line Items] | |||
| Number of properties | 3 | 3 | 3 |
Commitments and Contingencies - Schedule of Percent of Total Rental Revenue (Details) - Rental revenue - Customer concentration risk |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Empire State Building | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 32.30% | 31.90% | 29.60% |
| One Grand Central Place | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 12.60% | 12.70% | 12.80% |
| 111 West 33rd Street | |||
| Concentration Risk [Line Items] | |||
| Concentration risk percentage (as a percent) | 10.70% | 10.90% | 10.80% |
Commitments and Contingencies - 32BJ ("Union") Pension Plan and Health Plan (Details) - Building Service 32BJ - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Pension Plans | |||
| Multiemployer Plans [Line Items] | |||
| Plan contributions | $ 442.8 | $ 530.3 | $ 317.9 |
| Health Plans | |||
| Multiemployer Plans [Line Items] | |||
| Plan contributions | $ 1,900.0 | $ 1,700.0 | $ 1,900.0 |
Commitments and Contingencies - Schedule of Contributions to Multiemployer Plans (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Multiemployer Plans [Line Items] | |||
| Contributions | $ 13,897 | $ 12,256 | $ 12,917 |
| Pension Plans | |||
| Multiemployer Plans [Line Items] | |||
| Contributions | 3,404 | 3,250 | 3,671 |
| Contributions, insignificant | 800 | 900 | 800 |
| Health Plans | |||
| Multiemployer Plans [Line Items] | |||
| Contributions | 10,154 | 8,636 | 8,812 |
| Contributions, insignificant | 1,500 | 1,600 | 1,600 |
| Other | |||
| Multiemployer Plans [Line Items] | |||
| Contributions | 339 | 370 | 434 |
| Contributions, insignificant | $ 200 | $ 300 | $ 300 |
Capital - Stock and Publicly Traded Operating Partnership Unit Repurchase Program (Narrative) (Details) - USD ($) |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Nov. 30, 2025 |
Oct. 31, 2025 |
Dec. 31, 2025 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Treasury stock, value, acquired, cost method | $ 8,100,000 | |||
| Weighted average price paid per share (in USD per share) | $ 6.73 | $ 0 | $ 0 | $ 6.78 |
| Maximum available for future purchase | $ 491,878,000 | $ 497,852,000 | $ 497,852,000 | $ 491,878,000 |
| January 2024 Through December 2025 Plan | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Stock repurchase authorized amount | $ 500,000,000.0 | $ 500,000,000.0 | ||
Capital - Schedule of ESRT's Repurchases of Equity Securities (Details) - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Nov. 30, 2025 |
Oct. 31, 2025 |
Dec. 31, 2025 |
|
| Equity [Abstract] | ||||
| Total Number of Shares Purchased (in shares) | 888,188 | 0 | 0 | |
| Weighted average price paid per share (in USD per share) | $ 6.73 | $ 0 | $ 0 | $ 6.78 |
| Maximum Approximate Dollar Value Available for Future Purchase (in thousands) | $ 491,878 | $ 497,852 | $ 497,852 | $ 491,878 |
Capital - Private Perpetual Preferred Units (Narrative) (Details) - $ / shares shares in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Private Perpetual Preferred Units, Series 2019 | ||
| Preferred Units [Line Items] | ||
| Private perpetual preferred units, issued (in shares) | 4,664 | 4,664 |
| Private perpetual preferred units, liquidation preference (in USD per share) | $ 13.52 | $ 13.52 |
| Preferred units cumulative cash distributions (in USD per share) | $ 0.70 | |
| Private Perpetual Preferred Units, Series 2014 | ||
| Preferred Units [Line Items] | ||
| Private perpetual preferred units, issued (in shares) | 1,560 | 1,560 |
| Private perpetual preferred units issued during period (in shares) | 1,560 | |
| Private perpetual preferred units, liquidation preference (in USD per share) | $ 16.62 | $ 16.62 |
| Dividends declared (in USD per share) | $ 0.60 |
Capital - Schedule of Distribution Paid (Details) - $ / shares |
3 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
Sep. 30, 2023 |
Jun. 30, 2023 |
Mar. 31, 2023 |
|
| Equity [Abstract] | ||||||||||||
| Common stock, dividends (in USD per share) | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 | $ 0.035 |
Capital - Schedule of Distribution Activity (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Equity [Abstract] | |||
| Distributions paid to OP unit holders | $ 38,983 | $ 38,289 | $ 37,122 |
| Private perpetual preferred unit distributions | $ 4,201 | $ 4,201 | $ 4,201 |
Capital - Schedule of Weighted Average Assumptions Used to Determine Fair Value of Options Granted (Details) - Long-Term Incentive Plan Unit and Restricted Stock |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Dividend rate (as a percent) | 1.70% | 1.60% | 1.70% |
| Risk free interest rate, minimum (as a percent) | 3.90% | 4.40% | 4.40% |
| Risk free interest rate, maximum (as a percent) | 4.00% | 5.10% | 5.00% |
| Expected price volatility, minimum (as a percent) | 35.00% | 37.00% | 35.00% |
| Expected price volatility, maximum (as a percent) | 44.00% | 48.00% | 46.00% |
| Minimum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Expected life (in years) | 2 years | 2 years | 2 years |
| Maximum | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Expected life (in years) | 5 years 3 months 18 days | 5 years 3 months 18 days | 5 years 3 months 18 days |
Related Party Transactions - Sale of Westport Retail Properties (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - 69-97 and 103-107 Main Street, Westport, Connecticut $ in Thousands |
Feb. 01, 2023
USD ($)
|
|---|---|
| Related Party Transaction [Line Items] | |
| Consideration from sale of property | $ 40,000 |
| Affiliated Entity | |
| Related Party Transaction [Line Items] | |
| Consideration from sale of property | 40,000 |
| Received during marketed sale process | $ 40,000 |
Related Party Transactions - Tax Protection Agreements (Details) |
Dec. 31, 2016 |
|---|---|
| Q REIT Holding LLC | |
| Related Party Transaction [Line Items] | |
| Noncontrolling interest, ownership (as a percent) | 9.90% |
| Q REIT Holding LLC | |
| Related Party Transaction [Line Items] | |
| Threshold to indemnify (as a percent) | 10.00% |
Related Party Transactions - Registration Rights (Details) - Registration rights agreement |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
underwritten_offering
| |
| Related Party Transaction [Line Items] | |
| Number of underwritten offerings, maximum, during 12-month period following shelf effective date | underwritten_offering | 2 |
| Primary shares cutback value, minimum | $ 25,000,000.0 |
| Payments for fees and registration per underwritten offering, maximum (up to) | 25,000 |
| Certain persons receiving common stock or operating partnership units in formation transactions | |
| Related Party Transaction [Line Items] | |
| Registrable shares market value, minimum | $ 150,000,000.0 |
| Number of underwritten offerings, maximum | underwritten_offering | 4 |
Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Current: | |||
| Federal | $ (1,016) | $ (1,044) | $ (783) |
| State and local | (1,158) | (1,368) | (695) |
| Total current | (2,174) | (2,412) | (1,478) |
| Deferred: | |||
| Federal | (232) | (297) | (710) |
| State and local | (152) | 21 | (527) |
| Total deferred | (384) | (276) | (1,237) |
| Income tax expense | $ (2,558) | $ (2,688) | $ (2,715) |
Income Taxes - Narrative (Details) - USD ($) |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Income Tax Disclosure [Abstract] | |||
| NOL carryforwards | $ 103,000,000.0 | ||
| Unrecognized tax benefits | 0 | $ 0 | $ 0 |
| Deferred tax assets | 900,000 | 900,000 | |
| Deferred tax liabilities | $ 700,000 | $ 400,000 |
Income Taxes - Schedule of Effective Income Tax Reconcilitation (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Amount | |||
| U.S. federal statutory tax rate | $ (1,496) | ||
| State and local income taxes, net of federal income tax effect | (977) | ||
| Nontaxable or nondeductible items and other adjustments | (85) | ||
| Income tax expense | $ (2,558) | $ (2,688) | $ (2,715) |
| Percentage | |||
| U.S. federal statutory tax rate | 21.00% | 34.30% | 44.50% |
| State and local income taxes, net of federal income tax effect | 13.70% | ||
| Nontaxable or nondeductible items and other adjustments | 1.20% | ||
| Effective Tax Rate | 35.90% | ||
Income Taxes - Schedule of Actual Tax Provision Differed From Federal Statutory Corporate Rate (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal tax expense at statutory rate | $ (1,248) | $ (1,341) | $ (1,494) |
| State income tax expense, net of federal benefit | (1,310) | (1,347) | (1,221) |
| Income tax expense | $ (2,558) | $ (2,688) | $ (2,715) |
Segment Reporting - Narrative (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
segment
| |
| Segment Reporting [Abstract] | |
| Number of reportable segments | 2 |
Segment Reporting - Schedule of Reconciliation of Net income to Net operating Income (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Segment Reporting [Abstract] | |||
| Total operating income | $ 401,770 | $ 412,592 | $ 399,205 |
| Add: | |||
| Gain on disposition of properties | 35,018 | 13,302 | 26,764 |
| Third-party management and other fees | 1,483 | 1,170 | 1,351 |
| Interest income | 8,748 | 21,298 | 15,136 |
| Less: | |||
| General and administrative expenses | (72,842) | (70,234) | (63,939) |
| Depreciation and amortization | (194,762) | (184,818) | (189,911) |
| Interest expense | (103,133) | (105,239) | (101,484) |
| Interest expense associated with property in receivership | (647) | (4,471) | 0 |
| Loss on early extinguishment of debt | (97) | (553) | 0 |
| Income before income taxes | $ 75,538 | $ 83,047 | $ 87,122 |
Schedule III - Real Estate and Accumulated Depreciation - Reconciliation of Investment Properties (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward] | |||
| Balance, beginning of year | $ 3,786,653 | $ 3,655,192 | $ 3,551,449 |
| Acquisition of new properties | 346,004 | 191,750 | 25,787 |
| Improvements | 177,071 | 192,883 | 106,792 |
| Property classified as held for sale | 0 | 0 | 0 |
| Disposals | (103,821) | (253,172) | (28,836) |
| Balance, end of year | 4,205,907 | $ 3,786,653 | $ 3,655,192 |
| Aggregate cost of investment properties for federal income tax purpose | $ 4,000,000 | ||
Schedule III - Real Estate and Accumulated Depreciation - Reconciliation of Accumulated Depreciation (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward] | |||
| Balance, beginning of year | $ 1,274,193 | $ 1,250,062 | $ 1,137,267 |
| Depreciation expense | 167,790 | 157,153 | 158,879 |
| Property classified as held for sale | 0 | 0 | 0 |
| Disposals | (75,154) | (133,022) | (46,084) |
| Balance, end of year | $ 1,366,829 | $ 1,274,193 | $ 1,250,062 |
Schedule III - Real Estate and Accumulated Depreciation - Schedule of Estimated Useful Lives of Investment Properties (Details) |
Dec. 31, 2025 |
|---|---|
| Buildings | |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] | |
| Estimated original useful lives (in years) | 39 years |
| Building improvements | |
| SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] | |
| Estimated original useful lives (in years) | 39 years |