The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Amount of operating lease expense. Excludes sublease income.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

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The amount of capital contributed by other unit holders.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
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Guarantees And Master Leases

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Insurance deductible, percentage of balance of a covered loss

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Insurance Limit Per Occurrence

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Insurance limit per property.

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Insurance maximum coverage limit in aggregate.

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Lessee, Finance Lease, Term of Contract, Fair Value Reset

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Vornado deductible, percentage of property value

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Commitments and Contingencies (Details)		1 Months Ended	3 Months Ended
Commitments and Contingencies (Details)	Apr. 22, 2025 USD ($)	Jan. 31, 2022 USD ($) renewal_option	Mar. 31, 2025 USD ($)
Insurance [Abstract]
Term		25 years
Annual rent expense		$ 20,220,000
Guarantees and master leases			$ 517,346,000
Other Commitments [Abstract]
Construction commitment			$ 49,176,000
Farley Office and Retail \| JV
Other Commitments [Abstract]
Equity method ownership percentage			95.00%
Capital contributions			$ 208,407,000
Farley Office and Retail \| Affiliated Entity
Other Commitments [Abstract]
Equity method ownership percentage			5.00%
Unsecured revolving credit facilities
Other Commitments [Abstract]
Outstanding letters of credit			$ 50,141,000
PENN 1
Insurance [Abstract]
Number of renewal options \| renewal_option		3
Lease, renewal term		25 years
Fair value reset renewal period		25 years
PENN 1 \| Subsequent Event
Insurance [Abstract]
Lease, renewal term	25 years
Term	25 years
Annual rent expense	$ 15,000,000
General Liability
Insurance [Abstract]
Insurance limit per property			300,000,000
Insurance limit per occurrence			300,000,000
Disease Coverage
Insurance [Abstract]
Insurance limit per property			275,000,000
All Risk And Rental Value
Insurance [Abstract]
Insurance limit per occurrence			2,000,000,000.0
Earthquake California Properties
Insurance [Abstract]
Insurance limit per occurrence			$ 350,000,000
Registrant deductible percentage of property value			5.00%
Insurance maximum coverage limit in aggregate			$ 350,000,000
Terrorism Acts
Insurance [Abstract]
Insurance limit per occurrence			6,000,000,000.0
Insurance maximum coverage limit in aggregate			6,000,000,000.0
Non-Certified Acts of Terrorism
Insurance [Abstract]
Insurance maximum coverage limit in aggregate			1,200,000,000
NBCR Acts
Insurance [Abstract]
Insurance limit per occurrence			5,000,000,000.0
Insurance maximum coverage limit in aggregate			5,000,000,000.0
NBCR Acts \| PPIC
Insurance [Abstract]
Insurance deductible			$ 2,396,808
Insurance deductible percentage of balance of covered loss			20.00%