Represents the maximum percentage of concentration risk that is not individually disclosed.

No definition available.

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- Definition

Represents the number of tenants to whom the facility is leased.

+ References

No definition available.

+ Details

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481027/954-310-50-2

+ Details

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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://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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-Publisher FASB
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 825
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-Section 50
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
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-Section 50
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-URI https://asc.fasb.org//1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

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- Details

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- Details

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- Details

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- Details

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- Details

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Significant Accounting Policies - Concentrations of Credit Risk/Accounting Standards Updates (Details) - Annualized rent	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023 tenant
Customer concentration
Concentration of Credit Risk
Number of tenants (tenants)		1
Maximum percentage of annualized rent for any one tenant not individually disclosed (percent) (more than)	5.00%	5.00%
Investment Property Concentration Risk \| One Vanderbilt Avenue
Concentration of Credit Risk
Percentage of concentration (percent)	15.20%
Investment Property Concentration Risk \| 245 Park Avenue
Concentration of Credit Risk
Percentage of concentration (percent)	10.80%
Investment Property Concentration Risk \| 11 Madison Avenue
Concentration of Credit Risk
Percentage of concentration (percent)	8.30%
Investment Property Concentration Risk \| 420 Lexington Ave
Concentration of Credit Risk
Percentage of concentration (percent)	6.70%
Investment Property Concentration Risk \| 1515 Broadway
Concentration of Credit Risk
Percentage of concentration (percent)	6.30%
Investment Property Concentration Risk \| 280 Park Avenue
Concentration of Credit Risk
Percentage of concentration (percent)	5.70%
Investment Property Concentration Risk \| 1185 Avenue of the Americas
Concentration of Credit Risk
Percentage of concentration (percent)	5.50%
Tenant 1 \| Customer concentration
Concentration of Credit Risk
Percentage of concentration (percent)		5.80%