The amount of floor space available to be rented in a property.

No definition available.

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- Definition

The number of buildings owned.

+ References

No definition available.

+ Details

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- Definition

The number of rentable units in the properties.

+ References

No definition available.

+ Details

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- Definition

The number of stories in the building.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of the aggregate cash distributions from LLCs that own the properties, and the profits and losses that the company is entitled to.

+ References

No definition available.

+ Details

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- Definition

The amount of transaction pursuit segment costs.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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- Definition

Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-2

+ Details

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- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-12

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Data Type:	xbrli:monetaryItemType
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- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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Note 1 - Organization (Details Textual) $ in Thousands		3 Months Ended
Note 1 - Organization (Details Textual) $ in Thousands	May 30, 2025 USD ($) ft²	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2025 ft²
Repayments of Notes Payable \| $		$ 434	$ 578
Percentage of Aggregate Cash Distributions From, and Profits and Losses		38.00%		38.00%
Tribeca House properties in Manhattan [Member]
Number of Buildings				2
Tribeca House properties in Manhattan [Member] \| Residential Rental [Member]
Gross Leasable Area (Square Foot)				483,000
Tribeca House properties in Manhattan, Building One [Member]
Number of Stories				21
Tribeca House properties in Manhattan, Building One [Member] \| Rental Retail and Parking [Member]
Gross Leasable Area (Square Foot)				77,000
Tribeca House properties in Manhattan, Building Two [Member]
Number of Stories				12
Flatbush Gardens, Brooklyn, NY [Member] \| Multifamily [Member]
Number of Buildings				59
Gross Leasable Area (Square Foot)				1,749,000
Number of Rentable Units				2,494
141 Livingston Street in Brooklyn [Member] \| Office Building [Member]
Number of Stories				15
Gross Leasable Area (Square Foot)				216,000
250 Livingston Street in Brooklyn [Member] \| Office and Residential Building [Member]
Number of Stories				12
Gross Leasable Area (Square Foot)				370,000
Aspen [Member]
Number of Stories				7
Aspen [Member] \| Residential Rental [Member]
Gross Leasable Area (Square Foot)				166,000
Aspen [Member] \| Retail Site [Member]
Gross Leasable Area (Square Foot)				21,000
Clover House [Member]
Number of Stories				11
Clover House [Member] \| Apartment Building [Member]
Gross Leasable Area (Square Foot)				102,000
Residential Property At 1010 Pacific Street [Member] \| Residential Rental [Member]
Number of Stories				9
Gross Leasable Area (Square Foot)				119,000
Dean Street, Prospect Heights [Member] \| Residential Rental [Member]
Number of Stories				9
Gross Leasable Area (Square Foot)				160,000
Dean Street, Prospect Heights [Member] \| Retail Site [Member]
Gross Leasable Area (Square Foot)				9,000
Residential Property At 10 West 65th Street [Member] \| Residential Properties [Member]
Number of Stories	6
Gross Leasable Area (Square Foot)	76,000
Proceeds from Sale, Real Estate, Held-for-Investment \| $	$ 45,500
Transaction Pursuit Segment Costs \| $	1,900
Interest Paid, Including Capitalized Interest, Operating and Investing Activities \| $	800
Gain (Loss) on Disposition of Assets \| $			$ (33,780)
Residential Property At 10 West 65th Street [Member] \| Residential Properties [Member] \| Mortgages [Member] \| Flagstar Bank [Member]
Repayments of Notes Payable \| $	$ 31,200