Asset sale commission threshold.

No definition available.

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- Definition

Percentage of development costs that the related party will receive as per the Development agreement.

+ References

No definition available.

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- Definition

Lease Commission, Percentage

+ References

No definition available.

+ Details

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- Definition

Percentage of rent payable to related party for leasing services for the eleventh through twentieth years of the lease.

+ References

No definition available.

+ Details

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- Definition

Percentage of rent payable to related party for leasing services for the first ten years of the lease.

+ References

No definition available.

+ Details

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- Definition

Percentage of rent payable to related party for leasing services for the twenty-first through thirtieth years of the lease.

+ References

No definition available.

+ Details

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- Definition

The amount of management fee paid to related party to manage corporate activities.

+ References

No definition available.

+ Details

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- Definition

Percentage of gross proceeds over $50,000,000 from the sale of any assets, payable to related party.

+ References

No definition available.

+ Details

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- Definition

Percentage of gross proceeds under $50,000,000 from the sale of any assets, payable to related party.

+ References

No definition available.

+ Details

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- Definition

Percentage of increase in leasing services payable to related party if a real estate broker is used

+ References

No definition available.

+ Details

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- Definition

Property Management Fee Agreement, Price Per Square Foot

+ References

No definition available.

+ Details

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- Definition

Annual increase in the amount paid to related party as property management fees.

+ References

No definition available.

+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

Amount of liabilities classified as other.

+ References

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- Definition

The percentage charged for managing real estate properties.

+ References

No definition available.

+ Details

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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Related Party Transactions - Additional Information (Details)	3 Months Ended		4 Months Ended	5 Months Ended	9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Apr. 30, 2024	Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($) $ / ft²	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items]
Fees to related party	$ 2,580,000	$ 3,116,000			$ 12,510,000	$ 8,356,000
Property Management Fees
Related Party Transaction [Line Items]
Fees to related party	1,688,000	1,442,000			4,537,000	4,401,000
Development fees
Related Party Transaction [Line Items]
Fees to related party	192,000	0			318,000	0
Leasing fees
Related Party Transaction [Line Items]
Fees to related party	0	$ 974,000			5,555,000	$ 1,144,000
Related Party
Related Party Transaction [Line Items]
Management fee agreement value					2,800,000
Other liabilities	943,000			$ 943,000	$ 943,000		$ 715,000
Related Party \| Property Management Fees \| Rego Park II \| Retail Space
Related Party Transaction [Line Items]
Property management fee, percent fee					2.00%
Related Party \| Property Management Fees \| 731 Lexington Avenue \| Office and Retail Space
Related Party Transaction [Line Items]
Property management fee agreement, price per square foot \| $ / ft²					0.50
Related Party \| Property Management Fees \| 731 Lexington Avenue \| Common Area
Related Party Transaction [Line Items]
Property management fee escalation percentage per annum					3.00%
Related Party \| Management And Development Agreement, Base Management Fee \| 731 Lexington Avenue \| Common Area
Related Party Transaction [Line Items]
Fees to related party					$ 376,000
Related Party \| Development fees
Related Party Transaction [Line Items]
Development fee as percentage of development costs					6.00%
Other liabilities	192,000			$ 192,000	$ 192,000
Related Party \| Leasing fees
Related Party Transaction [Line Items]
Lease fee percentage of rent one to ten years					3.00%
Lease fee percentage of rent eleven to twenty years					2.00%
Lease fee percentage of rent twenty first to thirty years					1.00%
Percentage increase lease fee if broker used			1.00%
Percentage of third-party lease commission				33.333%
Percentage commissions on sale of assets under fifty million					3.00%
Asset sale commission threshold					$ 50,000,000
Percentage commissions on sale of assets over fifty million					1.00%
Other liabilities	17,000			$ 17,000	$ 17,000		69,000
Related Party \| Management, property management, cleaning, engineering and security fees
Related Party Transaction [Line Items]
Other liabilities	$ 734,000			$ 734,000	$ 734,000		$ 646,000
Alexander's Inc. \| Vornado \| Related Party
Related Party Transaction [Line Items]
Ownership percentage by noncontrolling owners	32.40%			32.40%	32.40%