Number of persons employed by the Entity

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- Definition

Percentage cap for Ground Lease rent increases based on consumer price index (CPI).

+ References

No definition available.

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- Definition

Ground Lease Investments, Initial Target Value of Ground Leases Regardless of Improvements, Percent

+ References

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- Definition

Ground Lease, Ratio of Property Net Operating Income to Ground Lease Payment Due

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No definition available.

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- Definition

Ground Leases, Term

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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
-Topic 805
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-Section 50
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- Definition

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
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Business and Organization (Details)	12 Months Ended
Business and Organization (Details)	Dec. 31, 2024 segment	Dec. 31, 2023 segment	Dec. 31, 2022 segment	Mar. 31, 2023 employee
Business Acquisition [Line Items]
Number of reportable segments \| segment	1	1	1
Minimum
Business Acquisition [Line Items]
Ground leases term	30 years
Ground lease investment initial targeted value of ground lease of combined value	30.00%
Ground lease, ratio of property net operating income to ground lease payments due	2
Percentage cap for Ground Lease rent increases based on consumer price index	3.00%
Maximum
Business Acquisition [Line Items]
Ground leases term	99 years
Ground lease investment initial targeted value of ground lease of combined value	45.00%
Ground lease, ratio of property net operating income to ground lease payments due	4.5
Percentage cap for Ground Lease rent increases based on consumer price index	3.50%
Safehold, Inc. (Old SAFE)
Business Acquisition [Line Items]
Number of employees \| employee				0
Portfolio Holdings \| Caret Ventures
Business Acquisition [Line Items]
Ownership interest (percent)	100.00%