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Debt Obligations, net - (Secured Term Loan and Credit Facility Narrative) (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 28, 2025	Mar. 31, 2023	Dec. 31, 2023	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Line of Credit Facility [Line Items]
Stock repurchase program, authorized amount	$ 10,000			$ 10,000		$ 10,000
Safe Credit Facility \| Safehold Inc. \| Interest expense
Line of Credit Facility [Line Items]
Interest expense				2,400	$ 2,400	4,700	$ 4,700
Margin Loan Facility
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance				94,500		94,500
Secured Debt
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance				$ 209,524		$ 209,524		$ 270,357
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%
Interest rate when any loan remains outstanding under an incremental facility available under the Safe Credit Facility		10.00%
Secured Debt \| Term Loan \| 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	25,000
Secured Debt \| Margin Loan Facility
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance				$ 94,524		$ 94,524		$ 91,087
Basis point spread on variable interest rate						3.50%		3.50%
Secured Debt \| Margin Loan Facility \| Morgan Stanley
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 140,000
Debt instrument term		3 years
Increase in basis point spread on variable interest rate	0.50%
Secured Debt \| Delayed Draw Capital Commitment \| Morgan Stanley
Line of Credit Facility [Line Items]
Current borrowing capacity	$ 15,800
Secured Debt \| Senior Construction Mortgage Loan
Line of Credit Facility [Line Items]
Long-term debt, outstanding balance								$ 64,270
Secured Debt \| Senior Construction Mortgage Loan \| Venture
Line of Credit Facility [Line Items]
Debt instrument, face amount			$ 80,000
Debt Instrument, Variable Interest Rate, Type			us-gaap:SecuredOvernightFinancingRateSofrMember
Basis point spread on variable interest rate			6.85%
Debt instrument floor rate			3.65%
Debt instrument origination fees			1.00%
Debt instrument exit fees			1.85%