Capital reserves.

No definition available.

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- Definition

Occupancy percentage of portfolio.

+ References

No definition available.

+ Details

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- Definition

Organization.

+ References

No definition available.

+ Details

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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- Definition

Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-8

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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-4

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Balance Type:	debit
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Details

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- Details

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- Details

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Organization - Additional Information (Detail) ft² in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($) ft² Investment	Sep. 30, 2024	Oct. 18, 2017 USD ($)	Jun. 01, 2017	Oct. 30, 2013
Worldwide Plaza [Member]
Organization [Line Items]
Reserved amount			$ 90.7
Ownership percentage	50.10%	50.10%			48.90%
Worldwide Plaza [Member] \| SL Green Realty Corp. and RXR Realty LLC [Member]
Organization [Line Items]
Ownership percentage			48.70%
Liquidation Value [Member] \| WWP Holdings Llc [Member]
Organization [Line Items]
Area of investments \| ft²	2.0
Occupancy percentage	62.80%
Number of investments \| Investment	1
Ownership percentage	50.10%
Cash, cash equivalents and restricted cash	$ 16.7
Liquidation Value [Member] \| Worldwide Plaza [Member]
Organization [Line Items]
Ownership percentage				98.80%
Liquidation Value [Member] \| Supplier Concentration Risk [Member] \| Composition of Real Estate Portfolio [Member] \| Office Building [Member] \| WWP Holdings Llc [Member]
Organization [Line Items]
Concentration risk percent	88.00%
Liquidation Value [Member] \| Supplier Concentration Risk [Member] \| Composition of Real Estate Portfolio [Member] \| Retail Site [Member] \| WWP Holdings Llc [Member]
Organization [Line Items]
Concentration risk percent	5.00%
Liquidation Value [Member] \| Supplier Concentration Risk [Member] \| Composition of Real Estate Portfolio [Member] \| Parking Garage [Member] \| WWP Holdings Llc [Member]
Organization [Line Items]
Concentration risk percent	7.00%