The number of common shares pledged to secure a debt instrument.

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Percentage of debt exit fees.

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Represents extension term of debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Represents floor rate of debt.

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Contractual interest rate for funds borrowed, under the debt agreement, to the extent any loan remains outstanding under an incremental facility available under the Safe Credit Facility.

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Percentage of debt origination fees.

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Number of options for debt term extension.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Indicates type of variable interest rate on debt instrument.

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Gross amount of debt extinguished.

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No definition available.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of the fee for available but unused credit capacity under the credit facility.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Debt Obligations, net (Secured Term Loan and Credit Facility Narrative) (Details) $ in Thousands, shares in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) loan	Mar. 31, 2023 USD ($)	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($)
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance				$ 219,990
Safehold Inc.
Line of Credit Facility [Line Items]
Interest expense				9,600	$ 7,200
Loan Payable to iStar
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 125,000		$ 125,000
Stated interest rate	8.00%		8.00%
Interest expense			$ 2,500
Senior Construction Mortgage Loan \| Venture
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 80,000			80,000
Debt instrument term extension, number of option \| loan		1
Debt instrument extension term		12 months
Debt instrument term extension option fees		1.00%
Debt instrument origination fees		1.00%
Debt instrument exit fees		1.85%
Debt instrument term		3 years
Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance		$ 196,914		$ 219,990	$ 196,914
Secured Debt \| Safe Credit Facility
Line of Credit Facility [Line Items]
Stated interest rate		8.00%		8.00%	8.00%
Long-term debt, outstanding balance		$ 115,000		$ 115,000	$ 115,000
Secured Debt \| Safe Credit Facility \| Safehold Inc.
Line of Credit Facility [Line Items]
Stated interest rate	8.00%		8.00%
Interest rate when any loan remains outstanding under an incremental facility available under the Safe Credit Facility	10.00%		10.00%
Commitment fees paid	$ 600
Secured Debt \| Term Loan \| Safehold Inc.
Line of Credit Facility [Line Items]
Debt instrument, face amount	115,000		$ 115,000
Secured Debt \| Incremental Borrowing Facility \| Safehold Inc.
Line of Credit Facility [Line Items]
Maximum borrowing capacity	25,000		25,000
Secured Debt \| Margin Loan Facility
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate				3.00%	3.00%
Debt Instrument, Variable Interest Rate, Type				us-gaap:SecuredOvernightFinancingRateSofrMember	us-gaap:SecuredOvernightFinancingRateSofrMember
Long-term debt, outstanding balance		$ 81,914		$ 89,175	$ 81,914
Secured Debt \| Margin Loan Facility \| Morgan Stanley
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 140,000		$ 140,000
Debt instrument term	3 years
Loan proceeds used to extinguish senior unsecured notes	$ 88,000
Repayment of principal				$ 60,000
Shares pledged as first priority security \| shares				12.9
Secured Debt \| Senior Construction Mortgage Loan
Line of Credit Facility [Line Items]
Basis point spread on variable interest rate				6.85%
Debt Instrument, Variable Interest Rate, Type				us-gaap:SecuredOvernightFinancingRateSofrMember
Long-term debt, outstanding balance				$ 15,815
Secured Debt \| Senior Construction Mortgage Loan \| Venture
Line of Credit Facility [Line Items]
Debt instrument floor rate		3.65%
Basis point spread on variable interest rate		6.85%
Debt Instrument, Variable Interest Rate, Type		us-gaap:SecuredOvernightFinancingRateSofrMember