Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Property, Plant and Equipment
Impairment of assets			$ 14,476,000
Interest receivable
Election to exclude accrued interest from loans receivable	true
Income taxes
Deferred income tax expense (benefit)	$ (24,800,000)	$ 2,500,000
Deferred tax assets	0	0
Current income tax expense (benefit)	24,800,000	(2,500,000)
Income taxes paid during the period	100,000	100,000
Pro rata distribution of common shares issued for each outstanding share of iStar common share at Spin-off.			0.153	0.153
Accrued Interest And Operating Lease Income Receivable, Net
Interest receivable
Accrued interest	$ 900,000	$ 200,000
Facilities
Property, Plant and Equipment
Useful life	40 years
Furniture and Equipment
Property, Plant and Equipment
Useful life	5 years