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Debt Obligations, net (Secured Term Loan and Credit Facility Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended	9 Months Ended
	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Line of Credit Facility [Line Items]
Loss (gain) on early extinguishment of debt		$ 482		$ 1,523
Safehold Inc.
Line of Credit Facility [Line Items]
Interest expense		2,400		4,800
Loan Payable to iStar
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 125,000
Stated interest rate	8.00%
Interest expense				2,500
Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance		$ 215,000	$ 215,000	$ 215,000	$ 0
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	0
Secured Debt \| Safe Credit Facility \| Safehold Inc.
Line of Credit Facility [Line Items]
Commitment fees paid	$ 600
Secured Debt \| Safe Credit Facility \| Safehold Inc. \| Interest rate any time other than during Safe Loan PIK Period
Line of Credit Facility [Line Items]
Stated interest rate	8.00%
Secured Debt \| Safe Credit Facility \| Safehold Inc. \| Interest rate at any time other than during Safe Loan PIK Period to extent any loan remains outstanding under the Incremental Facility
Line of Credit Facility [Line Items]
Stated interest rate	10.00%
Secured Debt \| Term Loan [Member] \| Safehold Inc.
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 115,000
Secured Debt \| Incremental Borrowing Facility \| Safehold Inc.
Line of Credit Facility [Line Items]
Maximum borrowing capacity	25,000
Secured Debt \| Margin Loan Facility
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance		$ 100,000	100,000	$ 100,000	$ 0
Secured Debt \| Margin Loan Facility \| Morgan Stanley
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 140,000
Debt instrument term	3 years
Loan proceeds used to extinguish senior unsecured notes	$ 88,000
Repayment of principal			$ 40,000