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Net Investment in Sales-type Leases, Ground Lease Receivables and Loans Receivable, net - Related Party (Lease Assignment and Modification) (Details) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Sep. 30, 2022	Jul. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reclassification [Line Items]
Ground lease acquisition purchase price					$ 170,194	$ 515,618
Net proceeds from sale of net investment in lease	$ 136,000
Gain on sale of net investment in lease	55,800			$ 55,811		55,811
Net gain attributable to noncontrolling interests	9,500		$ 123	$ 9,314	$ 138	$ 9,381
Net gain attributable to redeemable noncontrolling interests	$ 700
iStar Inc.
Reclassification [Line Items]
Ground lease acquisition purchase price		$ 36,400

X

- Definition

The difference between the carrying value and the sale price of a lease held for investment. A gain would be recognized when the sale price of the lease investment is greater than the carrying value of the lease investment. This element refers to the gain or loss included in earnings and not to the cash proceeds of the sale.

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- Definition

The acquisition price of Ground Leases.

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- Definition

The cash inflow from the sale of a lease held for investment.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount of Net Income (Loss) attributable to redeemable noncontrolling interest.

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